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GMAT Grammar: Adverbial Phrases and Clauses

Understand these complex grammatical forms so you can master them on GMAT Sentence Correction

What is an adverbial phrase?  What is an adverbial clause?  What’s the difference between them?  Do they have to contain adverbs?

 

Points of Grammar:

An adverb is a word that modifies a verb, an adjective, or another adverb.  We can form a boatload of adverbs by taking adjectives and adding the suffix “-ly” (e.g. “joyously”, “readily”, “magnanimously”, “bouncingly” etc.)  Other common single word adverbs include “very”, “too”, “well”, “now”, “then”, “here”, “there” etc.

A phrase can be either a prepositional phrase (preposition + noun-object) or a participial phrase (participle form of a verb, with possible a direct object and/or adverb).  If it modifies a verb, an adjective, or adverb, then it’s an adverbial phrase.

The independent clause of the sentence – main subject and main verb — will not be an adverbial clause.  A dependent (a.k.a.subordinate) clause also has its own subject and verb, and if it modifies a verb, an adjective, or adverb, then it’s an adverbial clause.

 

Examples of Adverbial Phrases:

1) He drives like a maniac.

The prepositional phrase “like a maniac” is an adverbial phrase.  It modifies the verb “drives” —it describes how he drives.

 

2) He walks dragging his left foot.

The participial phrase “dragging his left foot” is an adverbial phrase.  It modifies the verb “walks” —it describes how he walks.

 

3) He is scornful with no mercy.

The prepositional phrase “with no mercy” is an adverbial phrase.  It modifies the adjective “scornful” — it describes how scornful.

 

Examples of Adverbial Clauses:

4) She sings when she sees the Sun in the morning.

The dependent clause “when she see the Sun in the morning” is an adverbial clause.  It modifies the verb “sings” — it describes when she sings.

 

5) She is so happy that she skips everywhere.

The dependent clause “that she skips everywhere” is an adverbial clause.  It modifies the adjective “happy” — it describes how happy.

 

Doesn’t Necessarily Contain an Adverb

Notice that sentences #1-4 contain phrases & clauses that act like adverbs, by they themselves do not contain an adverb.  The adverbial clause in sentence #5 happens to contain the adverb “everywhere.”  An adverbial phrase may or may not contain an adverb itself.

 

Why Are These Important for the GMAT?

First of all, adverbial phrases are one of the marks of sophisticated writing.  I guarantee the GMAT Sentence Correction section you see will be littered with them, so it’s good to be well acquainted with them beforehand.  Also, the more comfortable you are with adverbial phrase, the more likely you are to use them in your own writing, including in the Analytical Writing Assessment of the GMAT; a well-chosen adverbial phrase will give that sentence a touch of sophistication, which can only help your AWA performance.

 

For free, here’s a practice GMAT SC question, involving these ideas: http://gmat.magoosh.com/questions/1164

 

About the Author

Mike McGarry is a Content Developer for Magoosh with over 20 years of teaching experience and a BS in Physics and an MA in Religion, both from Harvard. He enjoys hitting foosballs into orbit, and despite having no obvious cranial deficiency, he insists on rooting for the NY Mets. Follow him on Google+!

18 Responses to GMAT Grammar: Adverbial Phrases and Clauses

  1. rubei October 10, 2014 at 11:06 am #

    i want to know that how adverb phrase function as subject??? kindly help me……,,,,

    • Mike
      Mike October 10, 2014 at 1:04 pm #

      Dear Rubei,
      I’m happy to help. :-) First of all, there’s the important distinction of a phrase and a clause. Some clauses can be subjects, but there are not adverb clauses: the clauses that take a noun role are called “noun clauses” or “substantive clauses” —
      http://magoosh.com/gmat/2012/substantive-clauses-on-the-gmat/
      By definition, an adverb phrase or clause is going to act in the role of an adverb. If it’s acting in the role of an adverb, it is not going to be able to act in a noun role. Only nouns or other structures taking a noun role can be a subject.
      Does all this make sense?
      Mike :-)

      • rubei October 19, 2014 at 3:29 am #

        thank u Mike for resolving my confusion…..

        • Mike
          Mike October 19, 2014 at 1:09 pm #

          Dear Rubei,
          You are quite welcome! Best of luck to you!
          Mike :-)

  2. sb July 23, 2014 at 8:30 am #

    actually,wats the difference btwn ADVERB PHRASE AND ADVERBIAL PHRASE?

    • Mike
      Mike July 23, 2014 at 10:38 am #

      Dear Surya,
      There is no difference. These are two names for the same thing. Adverbial Phrase is a more traditional name, but in this age of in which everything is abbreviated, regardless of whether that is advisable, many people call this structure simply an Adverb Phrase. No difference in meaning.
      Mike :-)

  3. Alie sonta kamara February 1, 2014 at 12:07 am #

    Is it true that verbs modifying adverbs should always be actions? Please help me.

    • Mike
      Mike February 1, 2014 at 1:09 pm #

      Dear Alie,
      I would like to help, but I am not sure that I understand your question. Any kind of verb can be modified by an adverb, including non-action verbs.
      “She sleeps soundly.”
      “During the event, time elapsed slowly.”
      “The plant grows vigorously.”
      Any verb can have some kind of adverb modifying it. Does this make sense? Does this answer your question?
      Mike :-)

  4. Smiriti November 14, 2013 at 9:43 pm #

    A participle phrase acts as an adjective, but you said it is an adverbial phrase in sentence 2. Is it right?

    2) He walks dragging his left foot.
    The participial phrase “dragging his left foot” is an adverbial phrase. It modifies the verb “walks” —it describes how .

    • Mike
      Mike November 15, 2013 at 9:51 am #

      Dear Smiriti,
      Participial phrases are the most flexible and versatile of all modifiers.
      1) Participial phrases can modify a noun
      2) Participial phrases can modify a verb
      3) Participial phrases can modify an entire clause
      In case #1, the participial phrase is acting as an adjective, that is, as an adjectival phrase. In cases #2 & #3, the participial phrase is acting as an adverb, that is, as an adverbial phrase.
      Participial phrases are the *only* modifier with such a wide range of flexibility in what they can modify.
      Does all this make sense?
      Mike :-)

  5. Rajat May 6, 2013 at 5:32 am #

    You have mentioned, that the main verb and main subject cannot be the adverbial phrase, but a dependent clause will be.

    In the example you have mentioned ‘He drives like a maniac’-‘he drives’ is the main clause and ‘ like a maniac ‘is a dependent clause.

    How about this sentence-

    The Tea was sipped slowly and carefully.

    Please do correct me and help me undersand the concept

    • Mike
      Mike May 6, 2013 at 12:09 pm #

      Rajat,
      I think you need to recognize the difference between a *phrase* and a *clause*. A phrase is any group of words that functions together, but a clause (whether independent or dependent) has a full [noun]+[verb] structure. The words “like a maniac” is not a clause at all — it’s a prepositional phrase. That sentence, like many simple sentences, doesn’t have a dependent clause at all.
      In the sentence “The tea was sipped slowly and carefully”, “tea” is the main subject and “was sipped” is the main verb (passive). They form the core of the main independent clause. This sentence has no dependent clause. The words “slowly and carefully” are simply two adverbs in parallel.
      Does all this make sense?
      Mike :-)

  6. jack September 30, 2012 at 3:37 am #

    how about WSJ? is it better than The New York Times?

    • Mike
      Mike September 30, 2012 at 1:59 pm #

      Jack: both the WSJ & the NYT are absolutely excellent. The NYT might be a little more literary, while the WSJ might give you a few more graphs and charts — good practice for the IR section. If you have the time, read both of them — they’re both great!
      Mike :-)

  7. Confuse Mind August 17, 2012 at 12:37 am #

    1) He drives like a maniac.

    The prepositional phrase “like a maniac” is an adverbial phrase. It modifies the verb “drives” —it describes how he drives.

    In 1, since we are comparing actions, shall we not write-
    He drives as a maniac does.

    • Mike
      Mike August 17, 2012 at 4:23 pm #

      The sentence “He drives like a maniac” is very common colloquially — nobody uses “as” in that informal context — but perhaps this is not the best example of GMAT standards. Yes, in any formal comparison of action, you would need the “as” clause.
      “This new conductor interprets Beethoven’s Seventh Symphony as Leonard Bernstein did.” There, the comparative “as” clause modifies the verb — it is an adverbial phrase.
      Does this make sense?
      Mike :-)

      • Rajat May 10, 2013 at 12:05 am #

        Hi Mike,

        Thanks.

        Yes, it was bad on my part to ignore the difference between phrase and a clause.

        Thanks!

        • Mike
          Mike May 10, 2013 at 10:45 am #

          Rajat,
          You are more than welcome. Best of luck to you!
          Mike :-)


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