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Why do people go to parties?
To meet people (NOT for meet people / for to meet people), to relax, to have a good time, to drink, to make friends, to get a boyfriend/girlfriend, ...

2. GRAMMAR:


There are verbs which are followed by a verb with the infinitive to:
SOME VERBS (decide, forget, help ...) + TO+ INFINITIVE


agree to



decide to
He decided to send the letter.
-
-
forget to
Don't forget to clean the kitchen before you leave.
I forgot to do it. (=se me olvidó hacerlo, por lo que se quedó sin hacer)
forget -ing
I forgot doing it. (=me di cuenta que lo había hecho ya pero no recordé haberlo hecho)
hate to



help to
I'll help you to do the homework.
(It can be used with and without to: I'll help you do the homework.)
-
-
hope to
We hope to finish on time.
hope - ing

inspire to



learn to
They are learning to play the piano.
-
-
like to

like -ing

love to

love -ing

need to
She doesn't need to buy this device. The computer already has it inside.
-
-
offer to
He offered to take me to the hospital.
-
-
plan to
They are planning to celebrate a big party for her birthday.
-
-
prefer to

prefer -ing

pretend to
He pretended to be rich, but he was broke.
-
-
promise to
He promised to call me later.
-
-
remember to
Remember to buy the cake for her party.
(= remember to do something later)
remember -ing
Do you remember meeting him last year?
(= remember something after it happened)
start to
He started to sing when the teacher was still talking.
It started to rain. (no difference in meaning)
start -ing (is more common when we talk abouta habit or a longeractivity)
I started reading Tom Sawyer's book last week.
I started working here in 1998.
When did you start playing the piano?
It started raining. (no difference in meaning)
try to
I'm trying to find a job, but it's very hard with the crisis.
(=to attent to do or accomplish)
try -ing
Why don't you try doing yoga?
(= experiment with something)
want to
I want to go to the party.
-
-
would like to
I'd like to buy a new TV.
-
-

ADJECTIVE + TO+ INFINITIVE


It isn't easy to find a job.


Nice to meet you.



The negative infinitive is not to + verb: Try not to be late tomorrow. / Promise not to arrive late.


INFINITIVE OF PURPOSE: VERB + TO + INFINITIVETo say why you do something:

I came to this school to learn English. NOT for learn English.


· The infinitive of purpose is only used to express a possitive reason.
· To express a negative reason we use in order not to or so as not to, e.g. We took a taxi in order not to be late. / We took a taxi so as not to be late NOT We took a taxi not to be late.






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