Unit 81: PURPOSE & USE

Here are some ways to show why you did something, why something exists, or what its use is.

Purpose

to + BASE VERB

We put on lots of clothes to keep warm.
You have to study hard to be a banker.

NOTICE: We also use in order to the same way.

so that CLAUSE

We put on lots of clothes so that we wouldn't get cold.
I put it by the door so that I wouldn't forget it.
I took out a loan so that I could buy a car.

because CLAUSE with want

I put it by the door because I didn't want to forget it.
I took out a loan because I wanted to buy a car.

NOTICE: We can give the purpose at the beginning of the sentence if we want to.

For example:
To be a banker, you have to study hard.
Because I wanted to buy a car, I took out a loan.

Use

With for

Petty cash is for every day expense.
An ATM is for automated banking services.
What did you do that for?
A barometer is a thing for measuring air pressure.

NOTICE: If there is a verb after for, it is the -ing form.

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Exercise 81.1
Exercise 81.2