Repeating Verb Phrases on the GMAT

“Fred wrote to Congress to complain about this policy nearly four months before Silvia ____________”

What we want to say is — Fred wrote to Congress, and Silvia also wrote to Congress, but Fred did what he did before Silvia did what she did.  The question is — how do we end that sentence eloquently in a way that means “did the same thing”?  In other words, we want to repeat, in abbreviated form, the predicate.  (The predicate is the verb and the entire phrase that follows it.)  How do we repeat the predicate in abbreviated form?  First, let’s talk about the wrong answer.

Fred wrote to Congress to complain about this policy nearly four months before Sylvia did this.

Using the word “this” in a construction such as this would be wrong 100% of the time on the GMAT Sentence Correction.  Why is that wrong?  What is the correct thing to say?


Pronouns — what they can and can’t do

The word “this” is a pronoun, a demonstrative pronoun — others include “that”, “these”, and “those.”  There are also personal pronouns —- “I”, “you”, “he”, “she”, “they” (each of these also have possessive & objective forms — “I”, “my”, “mine”, “me”, etc.)  There are also indefinite pronouns, a large category including —  “someone”, “everyone”, “everyone”, “no one”, “anyone”, then those five again with “body” or “thing” substituted for “one”, the word “one” by itself, “each”, “none”, “all”, “another”, etc.

For the purposes of this blog, those are all just pronouns.  The job of a pronoun is to substitute for a noun, to take the place of a noun. That’s what pronouns do, and that’s all they do.

When can we use a pronoun of some sort for repeating a predicate in abbreviated form?  It would be legitimate to use a pronoun in this construction only if the first verb is a form of the verb “to do”.  Of all the tens of thousands of verbs in the English language that could be in the first predicate, only this one verb, the verb “to do”, will allow us to use a pronoun in the second part.

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1) Fred did the complicated procedure on page 137 of the manual before Silvia did it.

2) Fred will do his laundry before Silvia does hers.

3) Fred has done triple somersaults long before Silvia ever did one.

In all three of those, as it happens, the verb in the first part of the sentence was a form of the verb “to do”.  When repeating the predicate, we are using the exact same verb, “to do”, and need only a pronoun of some kind to replace the noun, the direct object of the first verb.  All well and good, but there are thousands of other verbs in the language for which this trick will not work.


For all other verbs ….

For all other verbs, we use a form of the verb “do” as a substitute for any other verb.  When we are substituting the verb “to do” for another verb, we no longer can substitute a pronoun for the object.  Instead, we are replacing the entire predicate, [verb] + [object].  For this, we use the magic word “so.”  The magic combination “do so” can substitute for any other possible predicate in the English language.  This is by far the most concise way to accomplish this.  Of course, one could use something wordier, such as “do the same thing” — technically, that also would be grammatical correct, but such an awkward wordy monstrosity would never be acceptable on GMAT Sentence Correction.  Examples:

4) Fred will rent a canoe before Silvia does so.

5) Fred insulted the hostess before Silvia also did so.

6) Fred climbed Mt. Kilimanjaro seven times before Silvia ever did so.

7) Fred has traveled to Bangkok every year since 1973, but this is the first time that Silvia has done so.

8) Fred wrote to Congress to complain about this policy nearly four months before Silvia did so.

This is grammatically correct, and exactly what the GMAT will expect on Sentence Correction, but exceedingly few people speak this way in casual conversation.  This construction is so rare in colloquial English that it may sound unnatural to your ear.  Retrain your ear, so that this construction sounds correct, because it is.  It will help to elevate the level of your reading.


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A note about parallelism

In each of these sentences, we have a kind of parallelism between the two actors.  What I have discussed here does not negate the larger rules about parallelism.  Here’s what I mean.  Using a pronoun such as “it” to stand for a predicate is 100% wrong.  One way to get around using the incorrect pronoun is to use the structure “do so.”  But, if the sentence is shorter and the parallelism is obvious, then we are free to omit common words, perhaps even omitting the verb.  Consider these sentences.

9) Kristin runs more than Bhavin.

10)  Mike likes ice cream more than Chris does.

In #9, the sentence was so simple that we didn’t need to repeat the verb at all.  In #10, we repeated the verb alone only to make it clear that we are comparing Chris to the subject and not to the object (i.e. the meaning is notMike likes ice cream more than he likes Chris“!)  In the longer sentences above, it sounds sophisticated to include the “do so” structure, but it would sound stilted and awkward if it were included in these short sentences.  A sophisticated writer would include “do so” in longer sentences and omit the “so” and maybe even the “do” in shorter sentences.  How do you develop intuition for what a sophisticated writer does?  By developing a habit of sophisticated reading!

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  • Mike MᶜGarry

    Mike served as a GMAT Expert at Magoosh, helping create hundreds of lesson videos and practice questions to help guide GMAT students to success. He was also featured as "member of the month" for over two years at GMAT Club. Mike holds an A.B. in Physics (graduating magna cum laude) and an M.T.S. in Religions of the World, both from Harvard. Beyond standardized testing, Mike has over 20 years of both private and public high school teaching experience specializing in math and physics. In his free time, Mike likes smashing foosballs into orbit, and despite having no obvious cranial deficiency, he insists on rooting for the NY Mets. Learn more about the GMAT through Mike's Youtube video explanations and resources like What is a Good GMAT Score? and the GMAT Diagnostic Test.

14 Responses to Repeating Verb Phrases on the GMAT

  1. Joseph May 31, 2021 at 10:27 am #

    Thank you for this blog

    • Ajay December 4, 2021 at 8:56 pm #

      Your explanations are awesome Mike !

  2. Venkatesh August 27, 2017 at 12:14 am #


    You are simply awesome.

  3. Sharath M November 4, 2016 at 6:56 am #


    Can you please explain to me where all can we use ‘do’ ? Is it applicable to all verbs or only few verbs.

    • Magoosh Test Prep Expert
      Magoosh Test Prep Expert November 13, 2016 at 7:08 pm #

      “To do” or some grammatical variation of “to do” (did, will do, does, done, had done, etc…) can be used as a substitute for any verb in the English language.

  4. Ed October 1, 2015 at 2:53 pm #

    Hi Mike,

    In some of your examples, the first verb is future tense and the second verb is in present tense. For example –

    Fred will rent a canoe before Silvia does so.

    In this GMAT, which one is preferable?

    Fred will rent a canoe before Silvia will do so.
    – both verbs are in the future tense….


  5. Tushar July 2, 2014 at 10:48 am #

    Nice post!

    • Mike MᶜGarry
      Mike July 2, 2014 at 11:32 am #

      Dear Tushar,
      I’m happy that you found this helpful. Best of luck to you in the future!
      Mike 🙂

  6. Curtis Cox June 3, 2014 at 6:47 am #

    Aw, this was a very well-written post. Taking time and actual effort to make an excellent article is very rare today…

    • Mike MᶜGarry
      Mike June 3, 2014 at 10:53 am #

      You are quite welcome. Best of luck to you in your studies.
      Mike 🙂

  7. Williard Quinn June 3, 2014 at 2:54 am #

    This actually answered the problem, thanks!

    • Mike MᶜGarry
      Mike June 3, 2014 at 10:55 am #

      Dear Williard,
      You are quite welcome. Best of luck to you in the future!
      Mike 🙂

  8. test March 17, 2013 at 3:05 pm #

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    • Mike MᶜGarry
      Mike March 17, 2013 at 11:42 pm #

      Thank you. Best of luck to you!
      Mike 🙂

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