Modals: Advice, obligation & prohibition + Past modals

I (a)   work harder this term. I don't want to fail exams again.

We (a)   work on this project tonight. We don't have to submit till Friday.

Students (a)   work on library computers. These are for teachers' use only.

They .............. her bag. She was very upset about it.

• didn't have to hide

• shouldn't have hidden

We ............. to the cinema. There's no parking space here!

• needn't have driven

• didn't have to drive

You ................. an umbrella. You're soaking wet!

• should have brought

• didn't need to bring

They ................... their car in the car park and walk from there to the theatre.

• had to leave

• should have left

He ................. earlier. Now he's going to be late.

• ought to have woken up

• didn't have to wake up

Rewrite the sentences using the words in brackets:

In my first job, it was important for everyone to speak good Spanish. (had)

(a)  

Rewrite the sentences using the words in brackets:

It was necessary for me to work hard to improve my language skills. (needed)

(a)