In the GMAT Sentence Correction module, you will learn GMAT-specific skills related to:

  • Parts of speech
  • Subject-verb agreement
  • Pronoun errors
  • Modifiers
  • Parallelism
  • Comparisons
  • Verb tenses
  • Conditional sentences
  • Idioms
  • Concision
  • Passive/active sentences
  • Word choice

 

GMAT SENTENCE CORRECTION VIDEOS

  • 1. Lesson: Introduction to Sentence Correction (4:57)
  • 2. Lesson: Sentence Correction General Strategy (4:39)
  • 3. Lesson: About this Module (1:42)
  • 4. Lesson: Parts of Speech - The Basics (9:12)
  • 5. Lesson: Grammar Tidbit - Linking Verbs (3:06)
  • 6. Lesson: Tidbit - Hopefully and Other Adverbs (3:22)
  • 7. Lesson: Parts of Speech - Subjects and Objects (2:56)
  • 8. Lesson: Parts of Speech - Clauses (7:32)
  • 9. Lesson: Grammar Tidbit - Gerunds (1:26)
  • 10. Lesson: Parts of Speech - Phrases (10:48)
  • 11. Lesson: Participles (3:51)
  • 12. Lesson: Removing the "Fluff" (2:38)
  • 13. Lesson: Question Types (0:16)
  • 14. Lesson: Subject-Verb Agreement - Part I (9:24)
  • 15. Lesson: Subject-Verb Agreement - Part II (8:49)
  • 16. Lesson: Pronouns - Part I (10:20)
  • 17. Lesson: Pronouns - Part II (4:25)
  • 18. Lesson: Modifiers - Part I (10:42)
  • 19. Lesson: Modifiers - Part II (6:01)
  • 20. Lesson: Modifiers - Part III - "that" vs. "which" (7:05)
  • 21. Lesson: Modifiers - Part IV (6:46)
  • 22. Lesson: Omitting "that" from a sentence (1:40)
  • 23. Lesson: Exceptions to the Touch Rule (3:40)
  • 24. Lesson: Parallelism - Part I (8:37)
  • 25. Lesson: Parallelism - Part II (3:37)
  • 26. Lesson: Parallelism - Part III (5:16)
  • 27. Lesson: Parallelism - Part IV (4:01)
  • 28. Lesson: Comparisons - Part I (5:09)
  • 29. Lesson: Comparisons - Part II (6:08)
  • 30. Lesson: Comparisons - Part III - "like" vs. "as" (8:09)
  • 31. Lesson: Verb Tense - Intro and Simple Tenses (3:15)
  • 32. Lesson: Verb Tense - Progressive Tenses (3:53)
  • 33. Lesson: Verb Tense - Perfect Tenses (11:04)
  • 34. Lesson: Conditional Sentences (6:27)
  • Download: GMAT Idiom List.
  • 35. Lesson: Idioms (3:23)
  • 36. Lesson: Concision (2:38)
  • 37. Lesson: Word Choice - "lay" vs. "lie" and more (5:23)
  • 38. Lesson: Word Choice - "if" vs. "whether" (3:25)
  • 39. Lesson: Word Choice - "less" vs. "fewer" and more (6:12)
  • 40. Lesson: Active and Passive Sentences (3:50)
  • 41. Lesson: General Sentence Correction Tips (2:06)
  • 42. Question: Caring for Carpeting (2:17)
  • 43. Question: Maltanian Healthcare (1:39)
  • 44. Question: Science Project Challenges (3:09)
  • 45. Question: Rocket Launch (1:38)
  • 46. Question: Hockey and Tennis (1:45)
  • 47. Question: Pet Rock Craze (1:46)
  • 48. Question: Foreign Oil Dependency (2:05)
  • 49. Question: Preoccupation with Celebrities (2:27)
  • 50. Question: Reginald Hornfather's Battle (2:32)
  • 51. Question: Walter Melon's Food Store (2:34)
  • 52. Question: Powderville Ski Resort (2:19)
  • 53. Question: Smartphone Owners (2:15)
  • 54. Question: Sunnycrest Farm (2:07)
  • 55. Question: Child Psychologists (3:28)
  • 56. Question: Hotcakes (4:32)
  • 57. Question: Obtaining Government Approval (0:40)
  • 58. Question: University of Maltania Professors (2:54)
  • 59. Question: Research Grants (2:12)
  • 60. Question: Hiking Club (2:18)
  • 61. Question: Calm Martha Hornblatch (3:34)
  • 62. Question: Mayor Smith's Finances (2:29)
  • 63. Question: Calves in the Snowstorm (3:11)
  • 64. Question: Constructing a New Bridge (2:15)
  • 65. Question: Jeffery Clapton and Friends (1:12)
  • 66. Question: Google Incorporated (3:39)
  • 67. Question: Skills and Values (2:55)
  • 68. Question: Maltania and Outsourcing (1:42)
  • 69. Question: Regulating Pet Shops (2:06)
  • 70. Question: City Officials Leaving Office (2:41)
Total viewing time for the GMAT Sentence Correction module: 288 minutes.

Practice Questions from Various Official Guides

Difficulty level: 350 to 500

Although Alice Walker published a number of essays, poetry collections…

Turtles, like other reptiles, can endure long fasts, in their ability to survive…

While Noble Sissle may be best known for his collaboration with Eubie…

In her presentation, the head of the Better Business Bureau emphasized…

Thai village crafts, as with other cultures, have developed through…

Analysts blamed May's sluggish retail…

The yield of natural gas from Norway's Troil…

Recently physicians have determined that stomach ulcers…

Quasars, at billions of light-years from Earth…

The computer company has announced that it will…

Today, because of improvements in agricultural technology…

The British Admiralty and the War Office met in March 1892…

The Parthenon was a church from 1204 until 1456…

Unlike the conviction held by many of her colleagues that genes… 

Obtaining an investment-grade rating will keep the county's…

However much United States voters may agree that there… 

The widely accepted big-bang theory holds that the universe…

The commission has directed advertisers to restrict the use…

Like many self-taught artists, Perle Hessing…

Authoritative parents are more likely…

None of the attempts to specify…

As contrasted with the honeybee, the …

There are several ways to build solid…

Diabetes, together with its serious …

A leading figure in the Scottish…

Iguanas have been an important food…

A surge in new home sales and a…

Despite protests from some waste-disposal…

Paleontologists believe that fragments…

Beyond the immediate cash flow…

The Iroquois were primarily…

Warning that computers in the…

Like the idolization accorded…

Doctors generally agree that…

A recent national study of the…

When Congress reconvenes, some newly…

Archaeologists in Ireland believe that…

In virtually all types of tissue in every animal species dioxin… 

The psychologist William James believed that facial…

New theories propose that catastrophic impacts of asteroids…

In a 5-to-4 decision, the Supreme Court ruled that two upstate…

The number of undergraduate degrees in engineering awarded…

Like the idolization accorded the Brontes and Brownings…

For almost a hundred years after having its beginning in 1788…

In developing new facilities for the incineration of solid wastes…

Parliament did not accord full refugee benefits to twelve…

The report recommended that the hospital should eliminate…

In the remote western province of China, the prevailing price…

One of the primary distinctions between our intelligence with… 

The period when the great painted caves at Lascaux and…

Some bat caves, like honeybee hives, have residents that take…

As well as heat and light, the Sun is the source of a… 

Plants are more efficient at acquiring carbon than are fungi, in the form…

Although schistosomiasis is not often fatal, it… 

Because an oversupply of computer chips has sent prices plunging, the… 

As a result of medical advances, many people that might at…

The use of lie detectors is based on the assumption…

Unlike Schoenberg's 12-tone system that dominated the music of…

The Glass House mountains in Queensland, Australia, were sighted in… 

Of all the vast tides of migration that have swept through history…

Carnivorous mammals can endure what would otherwise be lethal…

Twenty-two feet long and 10 feet in diameter, the AM-1…

The plot of The Bostonians centers on the rivalry between Olive…

Nearly two tons of nuclear-reactor fuel have already been put into…

The period when the great painted caves at Lascaux and Altamira…

In one of the bloodiest battles of the Civil War, fought at Sharpsburg…

Under a provision of the Constitution that was never applied, Congress…

Many experts regarded the increase in credit card borrowing in March…

At the end of the 1930s, Duke Ellington was looking for a composer…

In virtually all types of tissue in every animal species dioxin…

The intricate structure of the compound insect eye, having hundreds…

In 1979 lack of rain reduced India's rice production to about 41 million…

According to some economists, the July decrease in unemployment…

In a review of 2000 studies of human behavior that date back to…

Although a surge in retail sales have raised hopes that…

Manufacturers rate batteries in watt-hours; if they rate the…

Joan of Arc, a young Frenchwoman who claimed to be divinely…

Digging in sediments in northern China, evidence has been gathered…

Outlining his strategy for nursing the troubled conglomerate back…

It is called a sea, but the landlocked Caspian is actually…

A pioneer journalist, Nellie Bly's exploits included circling the…

Elizabeth Barber, the author of both Prehistoric Textiles, a comprehensive…

Except for a concert performance that the composer himself staged in 1911…

Cajuns speak a dialect brought to southern Louisiana by the four…

Critics contend that the new missile is a weapon whose importance…

Whereas in mammals the tiny tubes that convey nutrients to bone cells are… 

On entering the stadium, cheers greeted them as a sign…

For members of the seventeenth-century Ashanti nation in Africa…

The original building and loan associations were organized as…

Hundreds of species of fish generate and discharge electric currents…

As the cost of wireless service has steadily dropped over the…

Native to South America, when peanuts were introduced to Africa…

Because the budget package in Congress promises a combination of…

Whereas a ramjet generally cannot achieve high speeds without the initial…

In 1527 King Henry VIII sought to have his marriage to Queen…

With corn, soybean, and wheat reserves being low enough so…

 

Difficulty level: 500 to 650

The Supreme Court has ruled that public universities may collect…

The largest of all the planets, not only is Jupiter three times so massive…

The eyes of the elephant seal adapt to darkness more quickly than…

By developing the Secure Digital Music Initiative, the recording industry… 

Written early in the French Revolution, Mary Wollstonecraft’s A Vindication…

The root systems of most flowering…

In a plan to stop the erosion…

Having been named for a mythological nymph who cared for the…

Ranked as one of the most important…

El Nino, the periodic abnormal…

George Sand (Aurore Lucile Dupin) was…

Although the term “psychopath” is…

A long-term study of some 1,000 physicians indicates that the more…

Because the collagen fibers in skin line up in the direction…

Joachim Raff and Giacomo Meyerbeer…

Australian embryologists have found evidence that suggests…

Galileo was convinced that natural phenomena, as manifestations…

The rise in the Commerce Department's index of leading…

Like embryonic germ cells, which are cells that develop early…

Building on civilizations that preceded them in coastal Peru… 

In no other historical sighting did Halley's…

While all states face similar industrial… 

Reporting that one of its many problems…

Dr. Tonegawa won the Nobel Prize for discovering how…

In 1923, the Supreme Court declared a minimum wage…

While some academicians believe that business ethics should…

Just like the background in art history need by an archaeologist…

After suffering $2 billion in losses and 25,000 layoffs…

In late 1997, the chambers inside the pyramid of the Pharaoh…

Even their most ardent champions concede that no less… 

The only way for growers to salvage frozen citrus is to process…

Rising inventories, when unaccompanied correspondingly by increases…

Neuroscientists, having amassed a wealth of knowledge over the past…

Once they had seen the report from the medical examiner, the investigators…

New data from United States Forest Service ecologists show…

By providing such services as mortgages, home improvement loans…

Despite the increasing number of women graduating from law…

Recently physicians have determined that stomach ulcers are not caused…

The Gorton-Dodd bill requires that a bank disclose to their…

For the best extraction of the flavor of saffron threads, it…

According to a recent poll, owning and living in a freestanding…

A wildlife expert predicts that the… 

While some propose to combat widespread illegal copying…

In ancient Thailand, much of the local artisans' creative energy was…

In three centuries--from 1050 to 1350--several million…

In an effort to reduce their inventories, Italian vintners…

While all states face similar industrial waste problems, the predominating…

By 1940, the pilot Jacqueline Cochran held seventeen official national and…

Many house builders offer rent-to-buy programs that enable a…

A recent and popular self-help book wryly notes that if adolescence…

By offering lower prices and a menu of personal communications options…

Unlike the original National Museum of Science and Technology… 

The Organization of Petroleum Exporting Countries (OPEC) had…

Bufo marinus toads, fierce predators that will eat frogs, lizards…

The extraordinary diary of William Lyon Mackenzie King, prime…

Rock samples taken from the remains of an asteroid about twice…

To Josephine Baker, Paris was her home long before it was fashionable…

In 1713, Alexander Pope began his translation of the Illiad…

Fossils of the arm of a sloth found in Puerto Rico in…

Over the next few years, increasing demands on the Chattahoochee…

By a vote of 9 to 0, the Supreme Court awarded the Central…

The stars, some of them at tremendous speeds, are in motion…

Certain pesticides can become ineffective if used repeatedly in the same place…

A firm that specializes in the analysis of handwriting claims… 

Even though Clovis points, spear points with longitudinal grooves chipped…

That educators have not anticipated the impact of microcomputer…

Between 1990 and 2000 the global economy grew more than it…

It is well known in the supermarket industry that how items…

Geologists believe that the warning signs for a major earthquake…

As a baby emerges from the darkness of the womb with a rudimentary…

Although fruit can no longer grow once it is picked, it continues…

Dressed as a man and using the name Robert Shurtleff…

Rivaling the pyramids of Egypt or even the ancient cities of the…

A recent study has found that within the past few years, many doctors…

Two new studies indicate that many people become obese…

Affording strategic proximity to the Strait of Gibraltar, Morocco…

Any medical test will sometimes fail to detect a condition when…

Laos has a land area about the same as Great Britain but…

It has been estimated that the annual cost to the United States…

Construction of the Roman Colosseum, which was officially…

As rainfall began to decrease in the Southwest about the middle…

In one of the most stunning reversals in the history of marketing…

Heating-oil prices are expected to be higher this year than last…

Sales of wines declined in the late 1980s, but they began to grow again…

In a previous design, the weight of the discus used in track…

More and more in recent years, cities are stressing the arts as a means…

The nineteenth-century chemist Humphry Davy presented the…

Inuits of the Bering Sea were in isolation from contact…

State officials report that soaring rates of liability insurance…

The nephew of Pliny the Elder wrote the only eyewitness account…

Combining enormous physical strength with higher intelligence, the…

She was less successful after she had emigrated to New York compared…

In A.D. 391, resulting from the destruction of the largest library…

Consumers may not think of household cleaning products to be…

With only 5 percent of the world's population, United States citizens…

The results of the company’s cost-cutting measures are evident…

Ryunosuke Akutagawa‘s knowledge of the literatures of Europe…

Despite its covering the entire planet. Earth has a crust that is not…

According to scientists who monitored its path, an expanding cloud of energized…

Without adequate amounts of sleep, people's newly acquired…

Along the major rivers that traverse the deserts of northeast Africa…

The development of a new jumbo rocket that is expected to carry the…

Although beavers can still be found throughout the western…

Yellow jackets number among the 900 or so species of the world's…

November is traditionally the strongest month for sales of light trucks…

In 1973 mortgage payments represented twenty-one percent…

Nobody knows exactly how many languages there are in the world…

At the end of 2001, motion picture industry representatives said that…

The foundation works to strengthen local and regional agricultural…

 

Difficulty level: 650 to 800

With no natural predators and expanses…

Last week local shrimpers held a news conference to take some credit…

In 1850 Lucretia Mott published her Discourse on Women, arguing…

Dirt roads may evoke the bucolic simplicity of another century…

Mauritius was a British colony for almost 200 years…

Among the emotions on display in the negotiating room…

Beatrix Potter, in her book illustrations, carefully coordinating them…

According to a study by the Carnegie Foundation for the…

A decade after initiating the nation's …

The computer company's present troubles are a result of technological… 

The peaks of a mountain range, acting like rocks in a streambed…

Judge Bonham denied a motion to allow members of the…

The physical structure of the human eye enables it to sense light of…

Minivans carry as many as seven passengers and, compared with…

Although various eighteenth and nineteenth-century American poets…

The World Wildlife Fund has declared that global warming…

The first trenches that were cut into a 500-acre site at Tell Hamoukar…

Among the objects found in the excavated temple were small…

Declining values for farm equipment and land, the collateral…

Found only in the Western Hemisphere and surviving through extremes…

While depressed property values can hurt some large investors…

In metalwork one advantage of…

In 1791 Robert Carter III, one of the wealthiest plantation…

While it costs about the same to run nuclear plants as other types…

Recently implemented "shift-work equations" based on studies…

Tropical bats play important roles in the rain forest ecosystem…

Over 75% of the energy produced in France derives from nuclear power…

Like the grassy fields and old pastures that the upland sandpiper needs…

Not trusting themselves to choose wisely among the wide array of… 

Despite Japan’s relative isolation from world trade at the time…

Thelonious Monk, who was a jazz pianist and composer, produced a…

Although Napoleon’s army entered Russia with far more supplies…

Faced with an estimated $2 billion budget gap, the city’s mayor…

Heavy commitment by an executive to a course of action, especially…

A report by the American Academy for the Advancement of Science…

The Olympic Games helped to keep peace among the pugnacious…

Scientists have observed large concentrations of heavy-metal deposits…

From the bark of the paper birch tree the Menomini crafted…

In 1995 Richard Stallman, a well-known critic of the patent system…

New techniques in thermal-scanning photography, a process that…

His studies of ice-polished rocks in his Alpine homeland, far outside…

Although appearing less appetizing than most of their round and red…

Traffic safety officials predict that drivers will be equally likely…

Neanderthals had a vocal tract that resembled those of the apes and…

Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot…

Starfish, with anywhere from five to eight arms, have…

Originally developed for detecting air pollutants, a technique called…

In an effort improve the quality of patient care, Dr. Lydia…

Recent indications of weakness in the economy have lead consumers…

Students in the metropolitan school district lack math skills to such…

Although she was considered among her contemporaries to be the better…

As criminal activity on the Internet becomes more and more sophisticated…

In some types of pine tree, a thick layer of needles protects…

By 1999, astronomers had discovered 17 nearby stars…

While many of the dinosaur fossils found recently in northeast China seem…

A ruined structure found at Aqaba, Jordan, was probably a church…

The proliferation of so-called cybersquatters, people who register…

Unlike most warbler species, the male and female blue-winged…

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