Use Principal Modals

Kate ....... swim very well, she is a great swimmer.

• should

• can

• mustn't

• can't

You ............... wash the dishes in cold water.

• can

• don't have to

• must

• shouldn't

She ...... play the piano. She is a musician.

• cannot

• can

• mustn't

• can't

The doctor told him that he _ eat less. He’s too fat.

• should

• shouldn't

• mustn't

• can

You __ swim here. It's forbidden.

• must

• mustn't

• don't have to

You ......... spend too much time playing computer games. It's bad for your eyes.

• should

• shouldn't

• must

• can

....... you help me? This exercise is really hard.

• should
• can
• must
• mustn't

You ....... touch this snake! It can bite you.

• should
• must
• mustn't
• can

You ..... smoke here. It's forbidden.

• MUST

• MUSTN'T

• CAN

• WILL

You ___________ read this book. It’s really good.

• MUST

• MUSTN'T

• HAVE TO

• DON'T HAVE TO