MODAL VERBS

You __________ do the extra project. It's optional.

• don’t have to

• can't

• mustn't

• shouldn't

You __________ talk after the exam has started.

• don’t have to

• can't

• mustn't

• shouldn't

You __________ forget to read all the questions before you start writing.

• don’t have to

• can't

• mustn't

• shouldn't

You __________ answer all the questions in this exam before you start writing.

• have to

• can

• ought to

• should

You __________ remember to check all your answers carefully.

• have to

• can

• ought to

• must

You __________ stay in the exam room: leave quietly when you've finished.

• have to

• shouldn't

• don't have to

• should

You __________ use a calculator for your maths exam, but not a mobile phone.

• can

• should

• have to

• must

You __________ leave out questions you're not sure about the exam.

• can't

• shouldn't

• don't have to

• mustn't

(1) ______________

• can't

• had better

• have

• mustn't

• ought

(2) ______________

• can't

• had better

• have

• mustn't

• should