使用されている。の英語

put to use

be used by

to make use of something

to be used for a certain purpose

to be used as a blind―be make a stalking-horse of

In order to be used

use diligently

something that is meant to be used

It's being used

During use

be in currency

the state of having been made use of

to place anything at one's service―place some money at one's disposal

Use it as...

how to use anything―directions for use

make available

to resort to some means―have recourse to some means

used of locations

use a trowel on

to use something according to the rules

make excessive use of

to be made a cat's paw of

to use a person or a thing to achieve something

to take care of―be careful of―give attention to―anything

capable of being put to use

be in common use

to use (something) habitually

used of persons

to make good use of something

〈トイレ・浴室などの掲示〉 ‘Occupied.'