She --- very helpful. (can)
can be
They --- at the office. (might)
might be
We --- friends for years. (present perfect)
have been
The new roof -- built. (present continous)
is being
You --- more careful. (should)
should be
I --- happy. (present simple)
am
We --- wrong. (must past)
had to be
I --- here for two hours by then. (future perfect)
will have been
He --- sick before the trip. (past perfect)
had been
The children --- noisy. (present continous)
are being
I --- be a doctor. (infinitive)
to be
There --- a lot of bugs in the garden. (past simple)
were
They --- at home. (could past)
could be
--- honest is important. (gerund)
Being
They --- here soon. (future)
will be
She --- at the party. (past simple)
was
--- quiet! (imperative)
Be
Marla --- my teacher for years. (present perfect)
has been
He ---was being unreasonable. (past continous)
was being