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13-4 Verb
+ Gerund or Infinitive |
(a) It began raining.
(b) It began to rain. |
Some verbs are followed by
either a gerund or an infinitive. Usually there is no
difference in meaning.
(a ) and (b) have the same meaning. |
Common Verbs Followed by Either a
Gerund or an Infinitive
begin
like
hate
start
love
can't stand
continue |
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13-5
Singular and Plural Verbs
in Adjective Clauses |
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(a) Kate insisted on
coming with us.
(b) We're excited about going to Tahiti.
(c) I apologized for being late. |
A
preposition is followed by a gerund, not an infinitive.
In (a): The preposition (on) is followed by a
gerund (coming). |
Common Expressions with Prepositions
Followed by Gerunds
be
afraid of (doing something)
forgive (someone) for
Plan on
apologize for
be good at
be responsible for
believe in
insist on
stop (someone) from
dream about
be interested in
thank (someone) for
be excited about
look forward to
be tired of
feel like
be nervous about
worry about/ be worried about |
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13-6 Using
By and With to Express How Something is Done |
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(a) Pat turned off the tape
recorder by pushing the stop button. |
By + a gerund is
used to express how something is done. |
(a) Mary goes to work
by bus.
(c) Andrea stirred her coffee with a spoon. |
By or
with followed by a noun is also used to express
how something is done. |
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13-7 Using
Gerunds as Subjects; Using It + Infinitive |
(a) Riding horse
is fun.
(b) It is fun to ride
horses.
(c) Coming to class on time is
important.
(d) It is important to come to
class on time. |
(a) and (b) have the same
meaning.
In (a)" A gerund (riding ) is the subject of the
sentence. Notice: The verb (is) is singular because a
gerund is singular. |
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13-8 It + Infinitive: Using For
(someone) |
(a) You should study
hard.
(b) It is important for you to study hard.
(c) Mary should study hard.
(d) It is important for Mary to study
hard.
(e) We don't have to go to the meeting.
(f) It isn't necessary for us to go to the
meeting.
(g) A dog can't talk.
(h) It is impossible for a dog to talk. |
(a) and (b) have a
similar meaning.
Notice the pattern in (b):
it is + adjective + for (someone) +
infinitive phrase. |
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13-9 Expressing Purpose with
In Order To and For |
--- Why did you go to
the past office?
(a) I went to the post office because I wanted to
mail a letter.
(b) I went to the post office in order to mail
a letter.
(c) I went to the post office to mail a
letter. |
In order to
expresses purpose. It answers the question " Why?"
|
in (c): in order
is frequently omitted.
(a), (b), and (c) have the same meaning. |
(d) I went to the post
office for some stamps.
(e) I went to the post
office to by some stamps.
Incorrect: I went to the post office for buying some
stamps. |
For is also
used to express purpose, but it is a preposition and is
followed by a noun phrase, as in (d). |
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13-10 Using Infinitive with
Too and Enough |
Too + Adjective +
(For Someone) +
Infinitive
(a) A piano is too
heavy
to lift.
(b) That box is too
heavy for me
to lift.
Enough+ Noun +
Infinitive
(c) I don't have
enough money to
buy that car.
(d) Did you have enough time
to finish the test?
Adjective + Enough + Infinitive
(e) Jimmy isn't
old enough to go to school.
(f) Are you hungry
enough to eat three sandwiches? |
Infinitives often follow
expressions with too. Too comes in front
of an adjective.
In the speaker's mind, the use of too implies a negative
result. |
Infinitive often follow
expressions with enough.
Enough comes in front of a noun.
Enough follows an adjective. |