Modal verbs

What does "can" express?

• Permission
  

• Ability

• Obligation

Which modal verb is used to make polite requests?

• Must

• Could

• Shall

What is the past form of "can"?

• Could

• Can't

• May

Which modal verb is often used to express necessity or strong obligation?

• Might

• Should

• Must

Oh no! The airplane ______ be delayed because of the bad weather.

Michael Jackson ____ sing in Rock Rio. He's dead.

• can't

• must

• might

Rena__________ride a bike when she was three years old.

• could
• might

______ you be in Rome tonight.

• will

• may

• might

• maybe

What is the negative form of "must"?

• Mustn't

• Shouldn't

• Couldn't

Which modal verb is used to express possibility or uncertainty in the past?

• Would

• Should

• Might