Don’t lose your progress!

We cover every section of the GMAT with in-depth lessons, 5000+ practice questions and realistic practice tests.

Up to 100+ points GMAT score improvement guarantee

The best guarantee you’ll find

Our Premium and Ultimate plans guarantee up to 100+ points score increase or your money back.

Master each section of the test

Comprehensive GMAT prep

We cover every section of the GMAT with in-depth lessons, 5000+ practice questions and realistic practice tests.

Schedule-free studying

Learn on the go

Study whenever and wherever you want with our iOS and Android mobile apps.

The most effective way to study

Personalized GMAT prep, just for you!

Adaptive learning technology focuses on your academic weaknesses.

Sentence Correction: Once in the Past Always in the Past

In ancient times, citizens criticized the leader of a nation with great caution as to do so is considered blasphemy.

Incorrect.

This answer choice is grammatically incorrect. The sentence is anchored in the Past by the phrase In ancient times. By default, this sentence should remain in the Past tense. The verb is, however, is in the Present.

Remember our rule:

Once in the Past, always in the Past.

Incorrect.

This answer choice repeats the original incorrect use of Tenses. The sentence is anchored in the Past by the phrase In ancient times. By default, this sentence should remain in the Past tense. The verb criticize, however, is in the Present.

Remember our rule:

Once in the Past, always in the Past.

Incorrect.

Although this answer choice corrects the original incorrect use of the Present Tense verb is by replacing it with was, it creates a Pronoun error. A pronoun (in this case, it) refers to a previously mentioned noun. If we wish to refer to a previously mentioned verb (criticized), we need to use the phrase to do so or doing so.

[[snippet]]

Incorrect.

Although this answer choice corrects the original incorrect use of the Present Tense verb is by replacing it with was, it creates a Pronoun error. A pronoun (in this case, it) refers to a previously mentioned noun. If we wish to refer to a previously mentioned verb (criticized), we need to use the phrase to do so or doing so.

[[snippet]]

Nice work!

The sentence is anchored in the Past by the phrase In ancient times. This answer choice correctly uses the Past tense for all the following verbs (criticized, was). It also correctly uses the phrase to do so to refer to a previously mentioned verb (criticized).

In ancient times, citizens criticized the leader of a nation with great caution as to do so is
Citizens, in ancient times, criticized the leader of a nation with great caution as it was
In ancient times, citizens criticize the leader of a nation with great caution as to do so was
Citizens, in ancient times, criticized the leader of a nation with great caution as to do so was
In ancient times, citizens criticized the leader of a nation with great caution since it was