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Sentence Correction: Tenses - Verb Forms

Construction companies have been builds a lot recently as doing so is lucrative, in the current economic climate.

Incorrect.

This answer choice is grammatically incorrect. Only the first verb of a sentence (or section) should be conjugated. Builds is not the first verb in the sentence, so it should not be conjugated. However, builds is conjugated: it is the present form (V1) of build.

Incorrect.

This answer choice is grammatically incorrect. Only the first verb of a sentence should be conjugated. Will build is not the first verb in the sentence, so it should not be conjugated. However, will build is conjugated: it is the future form of build.

Incorrect.

Although this answer choice corrects the original Tenses error by keeping only the first verb of the sentence (or section) conjugated, it uses the Pronoun it to refer to a previously mentioned verb.

If we wish to refer to a previously mentioned verb (building), we need to use the phrase to do so or doing so.

What helps us identify this question as a Pronoun question is the following Stop Sign:

Any pronoun in the underlined part or after it.

Incorrect.

Although this answer choice corrects the original Tenses error by keeping only the first verb of the sentence (or section) conjugated, it creates redundancy by using the wordy phrase in recent times instead of the more concise recently.

Very good!

Only the first verb of a sentence (or section) should be conjugated. This answer choice corrects the original Tenses error by using the unconjugated verb building after the conjugated verb been.

builds a lot recently as doing so
will build a lot recently as doing so
building a lot recently as to do so
building a lot recently as it
building a lot in recent times as doing so