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Using Gerunds and Infinitives
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Written by Martine Johnston,
International Student Centre
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Gerunds and infinitives are verb
forms that can take the place of a noun in a sentence. The following guidelines
and lists will help you figure out whether a gerund or infinitive is needed.
Following
a verb (gerund or infinitive)
Both gerunds and infinitives can
replace a noun as the object of a verb. Whether you use a gerund or an
infinitive depends on the main verb in the sentence. Consult the lists below to
find out which form to use following which verbs.
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I expect to have the
report done by Friday.
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[INFINITIVE]
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I anticipate having
the report done by Friday.
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[GERUND]
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Some
common verbs followed by a gerund (note that phrasal verbs, marked here with *,
always fall into this category):
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acknowledge
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She acknowledged receiving
assistance.
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* accuse of
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He was accused of smuggling
contraband goods.
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admit
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They admitted falsifying
the data.
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advise
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The author advises undertaking
further study.
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anticipate
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He anticipates having
trouble with his supervisor.
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appreciate
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I appreciated having
a chance to read your draft.
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avoid
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He avoided answering
my question.
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complete
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I finally completed writing
my thesis.
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consider
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They will consider granting
you money.
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defer
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She deferred writing
her report.
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delay
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We delayed reporting
the results until we were sure.
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deny
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They denied copying
the information.
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discuss
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They discussed running
the experiments again.
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entail
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This review procedure entails
repeating the test.
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* look after
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He will look after mailing
the tickets.
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* insist on
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He insisted on proofreading
the article again.
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involve
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This procedure involves testing
each sample twice.
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justify
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My results justify taking
drastic action.
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mention
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The author mentions seeing
this event.
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* plan on
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They had planned on attending
the conference.
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postpone
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The committee has postponed
writing the report.
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recall
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I cannot recall getting
those results before.
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resent
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He resented spending
so much time on the project.
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recommend
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She recommends reading
Marx.
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resist
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The writer resists giving
any easy answers.
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risk
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She risks losing her
viewing time.
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sanction
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They will not sanction copying
without permission.
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suggest
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I suggest repeating
the experiment.
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* take care of
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He will take care of sending
it to you.
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tolerate
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She can't tolerate waiting
for results.
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Some
common verbs followed by an infinitive:
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afford
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We cannot afford to
hesitate.
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agree
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The professors agreed to
disagree.
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appear
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The results appear to
support your theory.
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arrange
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They had arranged to
meet at noon.
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beg
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I beg to differ with
you.
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care
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Would you care to
respond?
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claim
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She claims to have
new data.
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consent
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Will you consent to run
for office?
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decide
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When did he decide to
withdraw?
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demand
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I demand to see the
results of the survey.
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deserve
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She deserves to have
a fair hearing.
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expect
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The committee expects to
decide by tomorrow.
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fail
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The trial failed to
confirm his hypothesis.
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hesitate
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I hesitate to try
the experiment again.
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hope
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What do you hope to
accomplish?
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learn
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We have learned to
proceed with caution.
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manage
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How did she manage to
find the solution?
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neglect
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The author neglected to
provide an index.
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need
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Do we need to find
new subjects?
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offer
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We could offer to change
the time of the meeting.
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plan
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They had planned to
attend the conference.
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prepare
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He was not prepared to
give a lecture.
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pretend
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I do not pretend to know
the answer.
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promise
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They promise to
demonstrate the new equipment.
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refuse
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She refused to cooperate
any longer.
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seem
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Something seems to be
wrong with your design.
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struggle
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We struggled to
understand her point of view.
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swear
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He swears to tell
the truth.
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threaten
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The team threatened to
stop their research.
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volunteer
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Will you volunteer to
lead the group?
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wait
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We could not wait to
hear the outcome.
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want
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She did not want to go
first.
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wish
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Do you wish to
participate?
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Following
a preposition (gerund only)
Gerunds can follow a preposition;
infinitives cannot.
Can you touch your toes without
bending your knees?
He was fined for driving
over the speed limit.
She got the money by selling
the car.
A corkscrew is a tool for taking
corks out of bottles.
Note: Take care not to confuse the preposition "to"
with an infinitive form, or with an auxiliary form such as have to, used
to, going to
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He went back to writing
his paper.
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[PREPOSITION + GERUND]
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I used to live in
Mexico.
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[AUXILIARY + VERB]
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I want to go home.
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[VERB + INFINITIVE]
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Following
an indirect object (infinitive only)
Some verbs are followed by a pronoun
or noun referring to a person, and then an infinitive. Gerunds cannot be used
in this position.
Some
common verbs followed by an indirect object plus an infinitive:
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ask
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I must ask you to
reconsider your statement.
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beg
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They begged her to stay
for another term.
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cause
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His findings caused him to
investigate further.
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challenge
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Wilkins challenged Watson to
continue the research.
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convince
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Can we convince them to
fund our study?
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encourage
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She encouraged him to
look beyond the obvious.
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expect
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They did not expect us to
win an award.
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forbid
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The author forbade me to
change his wording.
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force
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They cannot force her to
reveal her sources.
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hire
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Did the department hire him
to teach the new course?
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instruct
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I will instruct her to
prepare a handout.
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invite
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We invite you to attend
the ceremony.
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need
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They need her to show
the slides.
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order
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He ordered the group to
leave the building.
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persuade
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Can we persuade you to
contribute again?
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remind
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Please remind him to
check the references.
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require
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They will require you to
submit an outline.
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teach
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We should teach them to
follow standard procedures.
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tell
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Did she tell him to make
three copies?
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urge
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I urge you to read
the instructions before you begin.
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want
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I do not want you to
have an accident.
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warn
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Why didn't they warn me to
turn down the heat?
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