We’ll go to the theatre brian doesn’t have to work late

unless
when
if

we’ll go to the theatre if brian doesn’t have to work late

rich(богатый),star(звезда),sit(сидеть),sir(господин),smart(нарядный),his(его,свой),him(ему,его)

isn't it

aren't you

did they

wasn't it

won't she

were they