Past modals of ability and obligation

Mary was obliged to study Science everyday last month

Mary _____ study Science everyday last month

• has to

• had to

• didn't have to

• could

It was possible for Judy to carry all the groceries

Judy _____ carry all the groceries

• can

• could

• is able to

• couldn't

I was able to swim underwater when I was 8

I _____ swim under water when I was 8

• had to

• couldn't

• can't

• could

The goalkeeper was not able to play well at the game

The goalkeeper _____ play well at the game

• couldn't

• can't

• could

• is able to

William couldn't borrow a book with his old library card. He needed to renew it.

William _____ his library card.

• renewed

• didn't have to renew

• had to renew

• couldn't renew

Charlie didn't need to do homework when he was a child

Charlie _____ do homework when he was a child

• had to

• didn't have to

• has to

• couldn't

It wasn't necessary to park outside school last year.

I _____ park outside school last year.

• didn't have

• had to

• could

• didn't have to

In my previous school it wasn't necessary to wear uniform

We _____ to wear uniform in my previous school

• have to

• didn't have to

• had to

• didn't had to

Anna was able to sell her iPhone for a good price

Anna _____ sell her iPhone for a good price

• could

• couldn't

• had to

• has to

When I was at school students were obliged to sing the hymn before classes.

When I was at school students _____ sing the hymn before classes.

• didn't have to

• have to

• didn't had to

• had to