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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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

Hello Tim,

Yes, that's correct.

All the best,
Kirk
The LearnEnglish Team

Hi There,

I'm wondering about future progressive + object + infinitive syntax. In particular, should it be "we will be requesting presenters send their detail to us" or "we will be requesting presenters to send their details to us"?

Thanks!

Hello Antwo,

There are actually two forms here:

We will be requesting that presenters send their details to us [request that someone do something]

and

We will be requesting presenters to send their details to us [request someone to do something]

The meaning is essentially the same, with the first version being more impersonal and official, I would say, though both are quite formal. The less formal equivalent would use 'ask (someone to do something)'.

 

Best wishes,

Peter

The LearnEnglish Team

"I really do regret not to learn to play the violin when I had so many oppurtunity to learn and practice in school ".
Can you please explain why this statement is incorrect ??

Hello Anishd,

When we use 'regret' to speak about a past event that we are sad about, verbs after it generally go in the -ing form (not the infinitive). There's also a mistake in the phrase 'so many opportunity' -- 'many' is plural and 'opportunity' is singular (also notice the spelling).

I think that should answer your question, but if anything's not clear please let us know.

All the best,
Kirk
The LearnEnglish Team

Hi Team.
Help me with this, please..
"Your sound definitely makes me want visit"
Why isn't there a 'to' after the verb 'want' in the sentence?
Would you like to explain, please?
Thank you.
=============
( I posted this question a couple days ago but why I haven't seen yet it on the screen?)

Hi Nizam Balinese,

The sentence is not grammatically correct. It may be an error or it may be deliberately ungrammatical.

This is one reason why we generally do not comment on examples from elsewhere. Quite apart from not knowing the context in which they appear and the intentions of the speaker/writer, they may be non-standard, be examples of slang or dialect or be simply incorrect.

 

Best wishes,

Peter

The LearnEnglish Team

Hi Peter.
My apologies and thank you for explaining.

Is it correct to say
I stuck the stamp to the envelope
Instead of saying
I stuck the stamp on the envelope

And can I use "to" in other sentences similar to this one like:
I pinned the note to the fridge
Instead of
I pinned the note on the fridge

Hello Skadi,

I suppose you could use 'to' in these cases, though 'on' is the best choice. But if you used 'to', I doubt it would cause any confusion.

All the best,
Kirk
The LearnEnglish Team

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