Different ways to talk about what things are used for

1. Used (to do something)
(used to + infinitive)

2. Used for …ing
(used for + gerund)

3. Used for (something)
(used for + noun)

Used (to do something)

A mop is used to clean the floor
A glass is used to hold water
A bag is used to carry things

Used for …ing

A mop is used for cleaning the floor
A glass is used for holding water
A bag is used for carrying things

Used for + noun

Coins are used for money.
A glass is used for liquids.
This bag is used for books.

Exercise

Make sentences using ‘used to’ or ‘used for’ to talk about the following objects:

a pencil
a light
a plane
a football
the internet