will do
be to do
will have done
doing having done
being done having been done
having been repaired, the library could be used now.

the building being repaired is our library.
The building repaired is our library.
having finished his homework, he went to watch TV.
done
to do
to be doing
to have done
to be done
to have been done
like unlike dislike likely alike
used to do
be/ become / get used to doing
be done
are repeated
have been