英和和英

be used by

used up

to be used for a certain purpose

remain in place

to use something repeatedly

the continuative use

capable of being used again

be of use

used as expletives

being used to

Use it as...

still in existence

put to use

to make good use of something

It's being used

used until no longer useful

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

to allot something for a purpose

Use as is

come into use

to use something according to the rules

may be used up

to use (something) habitually

come [be brought] into use

to be used up

take or use

still in existence

I have some business to attend to

I have something to do

I am engaged.