Transcript S.1 Verbs with to-infinitive and gerund

INFINITIVES
By Mr. LO Chung-kwong
All rights reserved.2002
Infinitive
•Base form of a verb tense – simple present.
e.g. go , went . Gone.
•Comes after the main verb
E.g. He went to buy a car.
Main verb
infinitive
•Most infinitives comes after “to”
e.g. I went to open the door.
He ordered me to sit down.
She asked him to post the letter.
•Always in simple present.
e.g. He is going out
He has gone out
He will go out
He was going out
No matter how we change
the verb tense of the main
verb,
to buy
to buy
to buy
to buy
a car.
a car.
a car.
a car.
the infinitive is
always in simple
present
Use of infinitives
To give more information about
the purpose of an action
I went to open the door.
He ordered me to sit down.
She asked him to post the letter.
Exercises
I like to ( drink ) [ drink / drank ]
coffee in the morning
I liked to ( drink ) [ drink / drank ]
coffee in the morning.
play will play played do did
has done
were building build has built move moved
1. I went to (
will move
) football yesterday.
2. He will ask her to (
) the work.
3. We have decided to (
) a bridge.
4. They were trying to (
box.
) the heavy
Bare infinitives
Infinitives without “TO”
When the main verbs are :
LET , MAKE and HEAR,
we don’t use “to” with an infinitive.
Don’t let him play on the road.
He made me cry.
I heard them sing.
Is there a “ TO” ?
Exercises
1. I go _____________ every day. ( swim )
2. He wanted __________ a story. ( tell )
3. Mary made him ____ very hard. ( work )
4. Ann let me ___________ her car. ( drive )
5. I like _________ football now. ( play )
Exercises
1. I go to swim every day.
2. He wanted to tell us a story.
3. Mary made him work very hard.
4. Ann let me drive her car.
5. I like to play football now.