Auxiliary Verbs

My grandfather was a clever man. He_______ speak five languages.

We ______ go to Majorca for our holiday this summer.

In most developed countries, people ______ boil water before they drink it.

• don't need to

• needn't

He is running so well at the moment that Thomas _____ win the 800 meters easily.

Where _____ I put the cheese? In the fridge?

• Ought to

• Should

The planet Venus _____ be seen clearly in the night sky during this month.

• might

• should

• may

"My son _____ beat anyone at high jump," said the Olympian.

• Can

• Could

• Should

• Must

Volcanoes _______ erupt constantly to be classified as 'active'.

• mustn't

• shouldn't

• needn't

• couldn't

Listen to the audio carefully and fill in the "blank"

• could

• would

• couldn't

• can

Listen to the audio and fill in the "blanks"

• couldn't, was allowed to

• wasn't allowed to, could

• can't, could

• can, could