This is the bank _______ was robbed yesterday.
which
"We went out last night."
He said...
they had gone out last night.
Modal we can use to talk about ability/inability in the present.
can, can't
If I were you, I wouldn’t wait to study for the test.
Second conditional
Susan is cooking dinner.
Dinner is being cooked by Susan.
The man _______ drove the car was nervous.
who
"I'd never been there before."
She said...
she had never been there before.
Modals we can use to talk about obligation.
must, have to
If I wake up early, I always read in bed.
Zero conditional
James Joyce wrote "Dubliners".
"Dubliners" was written by James Joyce.
The bag ______ contained the money was yellow.
which
"Lucy will come later."
My mother said...
Lucy would come later.
don't have to, don't need to, needn't
If I don’t see you later, I won’t be able to say hello.
First conditional
They have produced over 20 models in the past two years.
Over 20 models have been produced in the past two years.
The robber ______ mask was obviously too big didn't drive.
whose
"He hasn't eaten breakfast."
She said...
he hadn't eaten breakfast.
Modals we can use to talk about suggestions.
should, ought to
If I had a million dollars, I would buy a large vacation home.
Second conditional
I will finish it tomorrow.
It will be finished tomorrow.
The people _____ were in the bank were very frightened.
who
"She's living in Paris for a few months."
My sister said...
she was living in Paris for a few months.
Modals we can use to talk about probability.
might, may, could
If it had rained last week, the plants would not have died.
Third conditional
By next year the students will have studied the passive.
By next year the passive will have been studied by the students