Level: beginner

Verbs with to-infinitives

We use the to-infinitive after certain verbs (verbs followed by to-infinitive), particularly verbs of thinking and feeling:

choose
decide
expect
forget
hate
hope
intend
learn
like
love
mean
plan
prefer
remember
want
would like/love

They decided to start a business together.
Remember to turn the lights off.

and verbs of saying:

agree promise refuse threaten

We agreed to meet at the cinema.
Promise to call me every day.

Some verbs are followed by a direct object and then the to-infinitive:

advise
ask
encourage
expect
intend
invite
order
persuade
remind
tell
want
warn
would like/love
would prefer


 

He encouraged his friends to vote for him.
Remind me to give Julia a call.

Verbs with to-infinitive 1

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Verbs with to-infinitive 2

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Infinitive of purpose

We also use the to-infinitive to express purpose (to answer why?):

He bought some flowers to give to his wife.
He locked the door to keep everyone out.

We can also express purpose with in order to and in order not to:

We started our journey early in order to avoid the traffic.
They spoke quietly in order not to wake the children.

or so as to and so as not to:

We started our journey early so as to avoid the traffic.
They spoke quietly so as not to wake the children.

Infinitive of purpose 1

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Infinitive of purpose 2

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Level: intermediate

Adjectives with to-infinitives

We use the to-infinitive after certain adjectives:

able
unable
anxious
due
eager
keen
likely
unlikely
ready
prepared
willing
unwilling

Unfortunately, I was unable to work for over a week.
I'm really tired. I'm ready to go to bed.

Sometimes the to-infinitive gives a reason for the adjective:

amazed
delighted
disappointed
glad
happy
pleased
proud
relieved
sad
sorry
surprised
unhappy

We were happy to come to the end of our journey.
(= We were happy because we had come to the end of our journey.)
John was surprised to see me.
(= He was surprised because he saw me.)

We often use it + be followed by an adjective to give opinions:

clever
difficult
easy
foolish
hard
kind
nice
possible
impossible
right
wrong
silly

It's easy to play the piano, but it's very difficult to play well.
He spoke so quickly that it was impossible to understand him.

We use the to-infinitive with these adjectives to give opinions about people:

clever
foolish
kind
nice
right
wrong
silly
 

She was right to complain about that hotel.
You were clever to find the answer so quickly.

We use the preposition for to show who these adjectives refer to:

difficult easy hard possible impossible

It was difficult for us to hear what she was saying.
It is easy for you to criticise other people.

With the other adjectives, we use the preposition of:

It's kind of you to help.
It would be silly of him to spend all his money.

Adjectives with to-infinitive 1

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Adjectives with to-infinitive 2

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Level: advanced

Nouns with to-infinitives

We use the to-infinitive as a postmodifier (see noun phrases) after abstract nouns like:

ability
attempt
chance
desire
failure
need
opportunity
refusal
wish

They gave him an opportunity to escape.
He was annoyed by her refusal to answer.
I have no desire to be rich.
There is no need to shout.

We often use the to-infinitive as a postmodifier after indefinite pronouns:

When I am travelling I always take something to read.
I was all alone. I had no one to talk to.
There is hardly anything to do in most of these small towns.

Nouns with to-infinitive 1

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Nouns with to-infinitive 2

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Comments

Great!. Thank you Kirk.

thank you very much sir. It is very kind of you to reply me promptly.
But sir these structures are given in Raymond Murphy and Martin hewings as well.
e.g She admitted having stolen the money. ( page 104 second edition intermediate English grammar)

2.He remembered having arrived at the party. (page 78 Advance English grammar by Martin hewings).

and really thanks again.

Sorry It shoul be I remember to have met you in london last year.

Sir I have been looking for a solution to the following problem.
Is it right to say- I remember you to have met in london last year. and with other verbs like deny, regret , report..
Because I am quite sure about using this structure with verbs like seem appear , claim.

Hello Deven shukla,

I'm afraid 'you to have met' is not a correct form with any of those verbs. You can use the -ing form:

I remember (deny/regret) meeting you in London last year. 

 

'Report' can also be followed by the -ing form, but since it describes a particular action and not a feeling or awareness, we would be unlikely to use it in the present simple:

I reported meeting you in London last year.

 

Peter

The LearnEnglish Team

Sir I have read two structures in Intermediate english grammar by Raymond murphy.
She admitted stealing the money= She admitted having stolen the money.

I am wondering that can I use "she admitted to have stolen the money."? Because perfect infinitive, like here "to have admitted" shows the actinon done before the main verb.

Hello Deven shukla

No, I'm afraid that's not correct. In 'admit to something', 'to' is a preposition -- this is why the -ing form is used after it, i.e. why 'she admitted to having stolen the money' is correct and 'she admitted to have stolen the money' is not.

The other structure that Murphy mentions is an alternative structure that means the same thing.

All the best

Kirk

The LearnEnglish Team

Hi there, i didn't understand why we use "to walk" in this sentence ,can you help me ? :)
Neil Armstrong was the first man to walk on the moon.

Hi GokaydinBariss,

After a superlative adjective or ordinals (first, second, third etc) we can use the to infinitive form in place of a relative clause:

Neil Armstrong was the first man to walk on the moon.

Neil Armstrong was the first man who walked on the moon.

 

Note that the to infinitive is a non-finite form, which means it has no time reference of its own. In the example above, it refers to the past because the context of the sentence is past time (...Armstrong was...). However, if the sentence refers to future time, the the to infinitive form will have that time reference. For example:

The next person on the moon will be the 24th human to walk there.

 

Peter

The LearnEnglish Team

Thank you a lot , I love you The LearnEnglish Team,
GREETİNGS FROM TURKEY ! :)

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