English Grammar
FOR - TO
Using 'for' and 'to' for purpose or reason
It is sometimes not clear what structure to use to talk about
the use of an object
as opposed to the reason for using the object .
- Use or function of things/objects
To explain the function of an object, what it is used for, we use for followed by
a noun or a verb in the -ing form.
- What is this sponge for? (= What is its purpose or function?)
It is for cleaning the sink. - What's this knife for? (= What do you use it for?)
It's for opening oysters. - What's the new suit for? (= What are you going to wear it for?)
It's for my new job. I want to make a good impression! - What's that knob for?
It's for turning on the radiator.
- What is this sponge for? (= What is its purpose or function?)
- Reason for doing something:
To explain why we do something, the reason for which it is done, we use the infinitive (example: to do).
- What do you use this sponge for? (=
Why do you use it?)
I use it to clean the sink. - Why did you turn on the radio? (= What did you turn
on the radio for?)
I turned on the radio to listen to the news. - Why are you running?
I'm running to catch the bus. - Why do you study every day?
I study every day to improve my level of English. - Why did you go to London?
I went to London to visit Buckingham Palace.
- What do you use this sponge for? (=
Why do you use it?)
- FOR + Object + Infinitive structure:
This structure is commonly used after adjectives which express feelings or opinions:
"It's sometimes difficult for tourists to find accommodation."
"The poem was too complicated for child to learn."
It can be used after a noun:
"It's an opportunity for her to further her career."
It is also used after "it's time":
"It's time for the children to go to bed."FOR OBJECT INFINITIVE It's unusual for the boss to arrive late. It's easy for him to speak English. It's hard for me to believe that. We're anxious for our son to get a job. The food was too spicy for me to eat. The box is light enough for me to carry It was a safe place for us to camp. There was nowhere for the children to play. It's time for the meeting to start. It's time for the match to begin.