GMAT Sentence Correction (SC) Forum - Practice and Tips

ER -1

Sentence Correction Megathread

1, 2

souvik101990

11 Nov 2020, 23:13

1.1k

23

211,207

by: mesakibbb

01 Mar 2026, 11:59

ER

100 Hardest and easiest questions for SC as of March 2026

655-705 (Hard)

655-705 (Hard) hide tags

1, 2

sayantanc2k

01 Jan 2026, 05:45

1.5k

34

324,436

by: VerbalBot

27 Dec 2024, 21:52

ER

Sentence Correction Question Directory Topic and Difficulty

505-555 (Easy) +6 tags

505-555 (Easy), 555-605 (Medium), 605-655 (Medium), 655-705 (Hard), 705-805 (Hard), 805+ (Hard), Sub 505 (Easy) hide tags

bb

05 Sep 2023, 21:02

2.8k

0

915,168

by: bb

05 Sep 2023, 21:02

ER

Usage of "BEING" on GMAT

dragonball

28 Mar 2011, 06:42

38

6

23,904

by: VerbalBot

26 Aug 2023, 07:42

ER

Usage of HAVE BEEN - Kaplan

ykaiim

24 May 2010, 00:32

31

16

13,817

by: VerbalBot

10 Jan 2022, 11:01

ER

Use of "having been" or "having" in SC senctences..

confusedsoul

28 May 2013, 20:44

97

9

55,866

by: VerbalBot

25 Dec 2024, 20:10

Use of Comma

prakash111687

13 Jul 2012, 07:57

79

9

14,322

by: VerbalBot

19 Sep 2023, 06:35

ER

Use of possessive nouns

800Dreamer

07 Aug 2019, 22:34

2

2,000

by: 800Dreamer

07 Aug 2019, 23:52

Use of pronouns in sentences w clauses after a semicolon is in place

655-705 (Hard) | Pronouns

655-705 (Hard) | Pronouns hide tags

u98dglory

12 Sep 2023, 11:09

1

1,707

by: Ishmeet7

14 Sep 2023, 14:27

ER

Used as writing surfaces for hundred of years, medieval scribes prefer

555-605 (Medium) | Comparisons, Modifiers

555-605 (Medium) | Comparisons, Modifiers hide tags

Bunuel

26 Apr 2023, 01:30

4

3

1,902

by: Bunuel

07 May 2023, 08:45

ER

Used by many natural history museum curators in the preparation of ani

555-605 (Medium) | Meaning/Logical Predication, Parallelism

555-605 (Medium) | Meaning/Logical Predication, Parallelism hide tags

1, 2

Wayxi

13 Dec 2018, 05:07

135

21

33,285

by: VerbalBot

13 Feb 2023, 10:43

ER

Used in many cleaning detergents and hygiene products to produce suds

555-605 (Medium) | Grammatical/Rhetorical Construction, Modifiers

555-605 (Medium) | Grammatical/Rhetorical Construction, Modifiers hide tags

Bunuel

17 Sep 2021, 01:30

11

8

2,777

by: VerbalBot

23 Oct 2023, 09:29

ER -1

Used until the end of the Second World War, the German army employed

Sub 505 (Easy) | Modifiers

Sub 505 (Easy) | Modifiers hide tags

1, 2

GetThisDone

20 Apr 2012, 01:25

34

22

21,848

by: Catman

25 Jul 2023, 10:23

ER

Useful links for SC

mikeCoolBoy

05 Sep 2009, 06:13

31

9

13,913

by: VerbalBot

19 Nov 2015, 13:17

ER

Uses of the irrational number e in fields other than pure mathematics

555-605 (Medium) | Parallelism

555-605 (Medium) | Parallelism hide tags

goodyear2013

07 Jan 2014, 14:09

30

6

7,598

by: VerbalBot

28 Oct 2021, 02:49

ER

Using a 64-beam laser to create a detailed 3D map of its environment,

655-705 (Hard) | Comparisons

655-705 (Hard) | Comparisons hide tags

Sajjad1994

31 Aug 2019, 04:21

2

1

2,314

by: Bunuel

03 Sep 2019, 05:39

ER

Using a brush soaked in water, a stroke can be smeared that is made wi

555-605 (Medium) | Grammatical/Rhetorical Construction

555-605 (Medium) | Grammatical/Rhetorical Construction hide tags

Bunuel

13 Aug 2021, 06:00

2

4

2,046

by: Bunuel

21 Aug 2021, 03:33

ER

Using a combination of algebra and ancient Greek to code her clandesti

605-655 (Medium) | Grammatical/Rhetorical Construction +3 tags

605-655 (Medium) | Grammatical/Rhetorical Construction, Idioms/Diction/Redundancy, Meaning/Logical Predication, Parallelism hide tags

generis

03 Aug 2021, 22:43

22

10

4,141

by: VerbalBot

13 Oct 2023, 11:52

Using a computer model to estimate future productivity

555-605 (Medium) | Modifiers

555-605 (Medium) | Modifiers hide tags

shyind

27 Jul 2015, 08:35

13

5

4,888

by: VerbalBot

08 Sep 2022, 08:09

ER

Using a criterion based on an object's color, astronomers recently ide

505-555 (Easy) | Idioms/Diction/Redundancy +2 tags

505-555 (Easy) | Idioms/Diction/Redundancy, Modifiers, Verb Tense/Form hide tags

Bunuel

10 May 2022, 01:37

2

1

2,594

by: PyjamaScientist

10 May 2022, 03:48

ER

Using a Doppler ultrasound device, fetal heartbeats can be detected by

Sub 505 (Easy) | Comparisons

Sub 505 (Easy) | Comparisons hide tags

1, 2

eyunni

12 Apr 2019, 00:03

113

25

26,135

by: VerbalBot

06 Jan 2024, 01:05

ER

Using a laparoscope, ovaries can be removed without opening the abdome

555-605 (Medium) | Adjectives and Adverbs +4 tags

555-605 (Medium) | Adjectives and Adverbs, Grammatical/Rhetorical Construction, Idioms/Diction/Redundancy, Modifiers, Verb Tense/Form hide tags

generis

13 Aug 2020, 23:37

45

17

6,743

by: VerbalBot

11 Aug 2023, 00:56

ER

Using a light meter, proper exposure of photographic film can be ensur

Sub 505 (Easy) | Modifiers, Whole Sentence Underline

Sub 505 (Easy) | Modifiers, Whole Sentence Underline hide tags

Bunuel

03 Jun 2022, 03:00

8

2,090

by: Bunuel

03 Jul 2022, 21:15

ER

Using a metal detector, old coins and other valuables can be

655-705 (Hard) | Modifiers, Pronouns

655-705 (Hard) | Modifiers, Pronouns hide tags

1, 2

badribaba1984

10 Aug 2012, 17:04

24

23

11,336

by: VerbalBot

04 Sep 2023, 02:35

Using a new, high-technology process, diamonds can be created by simul

505-555 (Easy) | Modifiers

505-555 (Easy) | Modifiers hide tags

Carcass

09 Nov 2018, 03:59

21

11

7,371

by: VerbalBot

04 Jul 2022, 02:51

ER

Using a seismic survey, hydrocarbons can be located even though they a

555-605 (Medium) | Modifiers

555-605 (Medium) | Modifiers hide tags

AnishG

13 Jul 2016, 00:52

41

14

7,124

by: VerbalBot

05 Feb 2023, 14:00

ER

Using a small camera through an incision in the knee, a procedure call

Sub 505 (Easy) | Grammatical/Rhetorical Construction, Meaning/Logical Predication

Sub 505 (Easy) | Grammatical/Rhetorical Construction, Meaning/Logical Predication hide tags

Bunuel

16 Jul 2018, 00:59

2

4

3,890

by: rvgmat12

02 Apr 2022, 11:48

ER

Using computer animation programs, animators are now able to produce

Sub 505 (Easy) | Adjectives and Adverbs, Idioms/Diction/Redundancy

Sub 505 (Easy) | Adjectives and Adverbs, Idioms/Diction/Redundancy hide tags

Bunuel

28 Jul 2022, 07:20

8

6

3,901

by: jfjahfnkjahbfkjds

08 Feb 2023, 09:22

ER

Using digital enhancements of skull fragments from five prehistoric

Sub 505 (Easy) | Grammatical/Rhetorical Construction, Verb Tense/Form

Sub 505 (Easy) | Grammatical/Rhetorical Construction, Verb Tense/Form hide tags

1, 2

Gnpth

04 Jul 2016, 04:43

73

23

36,965

by: VerbalBot

11 Dec 2023, 04:55

ER

Using hidden cameras that are triggered by motion, reclusive animal

555-605 (Medium) | Grammatical/Rhetorical Construction, Modifiers

555-605 (Medium) | Grammatical/Rhetorical Construction, Modifiers hide tags

preptime

12 Mar 2011, 16:04

33

13

11,824

by: VerbalBot

11 Feb 2023, 11:47

ER

Using its tail, a wall can not only be scaled by a gecko with great sp

Sub 505 (Easy) | Modifiers

Sub 505 (Easy) | Modifiers hide tags

Bunuel

13 Aug 2021, 06:30

4

1,778

by: 100mitra

29 Aug 2021, 02:32

ER -2

Using modern radio-carbon techniques, fossils unearthed from

505-555 (Easy) | Modifiers

505-555 (Easy) | Modifiers hide tags

1, 2

bb

14 Dec 2012, 13:46

36

24

11,967

by: VerbalBot

03 Nov 2023, 10:16

ER

Using psilocybin, the naturally occurring psychedelic compound in

505-555 (Easy) | Grammatical/Rhetorical Construction

505-555 (Easy) | Grammatical/Rhetorical Construction hide tags

Bunuel

09 Feb 2023, 10:43

1

1,685

by: marcominini

09 Feb 2023, 13:46

ER

Using sophisticated technology, a hurricane can be detected in its inc

505-555 (Easy) | Modifiers

505-555 (Easy) | Modifiers hide tags

Bunuel

05 Aug 2022, 10:00

1

1,194

by: Carcass

07 Aug 2022, 05:02

ER

Using steganography, the practice of hiding information in other infor

505-555 (Easy) | Modifiers

505-555 (Easy) | Modifiers hide tags

Bunuel

25 Mar 2022, 05:00

7

2

2,147

by: jager

11 Aug 2023, 15:27

ER

Using study groups managed by the principal popular organizations and

Sub 505 (Easy) | Idioms/Diction/Redundancy +2 tags

Sub 505 (Easy) | Idioms/Diction/Redundancy, Modifiers, Verb Tense/Form hide tags

1, 2

AbdurRakib

15 Jun 2016, 04:43

127

20

49,144

by: VerbalBot

11 Nov 2025, 03:01

ER

Using tax dollars to shift entire villages away from the path of

555-605 (Medium) | Clauses +7 tags

555-605 (Medium) | Clauses, Grammatical/Rhetorical Construction, Idioms/Diction/Redundancy, Modifiers, Parallelism, Subject Verb Agreement, Use of Being, Verb Tense/Form hide tags

generis

16 May 2021, 00:23

16

6

3,413

by: generis

19 May 2021, 03:40

ER

Using technical knowledge and experience, clay is manipulated by ceram

505-555 (Easy) | Modifiers, Subject Verb Agreement

505-555 (Easy) | Modifiers, Subject Verb Agreement hide tags

Bunuel

10 Sep 2021, 09:00

3

1

1,398

by: sj296

10 Sep 2021, 11:48

ER

Using technology as new as space-age fabrics and as ordinary as common

505-555 (Easy) | Idioms/Diction/Redundancy

505-555 (Easy) | Idioms/Diction/Redundancy hide tags

kaijen

27 Sep 2017, 17:11

65

14

21,062

by: VerbalBot

25 Jun 2023, 06:58

ER

Using the average wage of $200 a day to value workers time,

655-705 (Hard) | Parallelism

655-705 (Hard) | Parallelism hide tags

1, 2

emmak

15 Jun 2017, 19:41

58

25

14,926

by: VerbalBot

23 Aug 2025, 07:02

ER

Using the Fujita Scale, a tornado's intensity can be rated on a scale

Sub 505 (Easy) | Grammatical/Rhetorical Construction +2 tags

Sub 505 (Easy) | Grammatical/Rhetorical Construction, Modifiers, Pronouns hide tags

1, 2

generis

26 Jul 2019, 23:30

15

20

4,936

by: Lampard42

29 Jul 2019, 03:55

ER

Using the latest technology and trendy designs, electronics companies

555-605 (Medium) | Modifiers, Pronouns

555-605 (Medium) | Modifiers, Pronouns hide tags

Bunuel

15 Sep 2021, 01:30

9

5

2,736

by: VerbalBot

16 Oct 2023, 23:12

ER

Using the methods employed by Soviet agents, a new form of torture has

Sub 505 (Easy) | Modifiers

Sub 505 (Easy) | Modifiers hide tags

Bunuel

11 Sep 2018, 03:58

2

4

3,502

by: VerbalBot

27 Nov 2023, 02:09

ER

Using the microscope, Anton von Leewunhoek observed the process of par

555-605 (Medium) | Clauses, Grammatical/Rhetorical Construction

555-605 (Medium) | Clauses, Grammatical/Rhetorical Construction hide tags

Sajjad1994

28 Oct 2020, 01:19

1

1,447

by: Abhishek009

29 Oct 2020, 08:29

Using the MORTEN 43598, a new virus known as 'love all' can be blocked

505-555 (Easy) | Modifiers

505-555 (Easy) | Modifiers hide tags

rohan2345

08 May 2018, 01:31

3

1,726

by: push12345

23 May 2018, 21:02

ER

Using the pretext of reviving the flagging economy several measures

Sub 505 (Easy) | Meaning/Logical Predication, Modifiers

Sub 505 (Easy) | Meaning/Logical Predication, Modifiers hide tags

generis

24 Jun 2019, 23:02

27

16

4,043

by: Kinshook

30 Jun 2019, 23:22

ER

Using the techniques employed by genetic engineering, a new species of

505-555 (Easy) | Grammatical/Rhetorical Construction, Modifiers

505-555 (Easy) | Grammatical/Rhetorical Construction, Modifiers hide tags

Bunuel

01 Aug 2019, 02:13

18

4

7,450

by: VerbalBot

07 Dec 2023, 08:40

Using toys, treats, and funny voices, dogs require motivation and cons

555-605 (Medium) | Modifiers, Pronouns

555-605 (Medium) | Modifiers, Pronouns hide tags

AkshdeepS

05 Nov 2018, 04:02

7

2

3,372

by: VerbalBot

05 Oct 2022, 09:54

ER

Usually busy transporting needed supplies to international sites, as t

505-555 (Easy) | Idioms/Diction/Redundancy

505-555 (Easy) | Idioms/Diction/Redundancy hide tags

SalahT

06 Oct 2021, 07:16

1

919

by: ExpertsGlobal5

06 Oct 2021, 08:20

ER

Usually found in pools of stagnant water or mud, crawfish are esthetic

505-555 (Easy) | Subject Verb Agreement

505-555 (Easy) | Subject Verb Agreement hide tags

Bunuel

14 Jan 2022, 07:30

2

3,259

by: Bunuel

23 Jan 2022, 07:30

Usually lakes exist for no more than 10,000 to 15,000 years, gradually

555-605 (Medium) | Idioms/Diction/Redundancy, Modifiers

555-605 (Medium) | Idioms/Diction/Redundancy, Modifiers hide tags

Abhi077

07 Dec 2020, 06:54

6

4

2,005

by: VerbalBot

25 Oct 2022, 12:55

-1

Utilizing the recent-most measure of happiness index

505-555 (Easy) | Meaning/Logical Predication +3 tags

505-555 (Easy) | Meaning/Logical Predication, Parallelism, Pronouns, Verb Tense/Form hide tags

Raxit85

27 Jun 2020, 09:47

1

3,058

by: yashikaaggarwal

27 Jun 2020, 22:47

ER

V01-37 Scientists working on a number of separate projects m

605-655 (Medium) | Grammatical/Rhetorical Construction

605-655 (Medium) | Grammatical/Rhetorical Construction hide tags

HumptyDumpty

19 Apr 2013, 10:19

8

12

4,512

by: VerbalBot

19 Apr 2021, 08:55

Sentence Correction (SC - EA only)