Modal Verbs

What does this sign mean?

• You should smoke here

• You can`t smoke here

• You mustn`t smoke here

• You can smoke here

You really ___________ watch tv so much. It isn't good for you!

• must
• shouldn't
• might
• would

1.  She ___________ be at work, she always works at this time. 

• can't
• should
• could
• must

Mum told me I ________ stay up late watching TV.

• ought not

• shouldn't

• must

You _________ smoke near children.

• have to
• may
• shouldn't
• couldn't

I _________ ice skate very well.

• can
• may
• must
• should

Change into negative:

I can play the piano very well.

• I can't play the piano very well.

• I don't can play the piano very well.

• I didn't can play the piano very well.

• I don't play the piano very well.

Change into interrogative:

I can play the piano very well.

• Can you play the piano very well?

• Do you can play the piano very well?

• Don't you can play the piano very well?

• You can play the piano very well?

Change into negative:

You must do your homework everyday.

• You don't do your homework everyday.

• You doesn't do your homework everyday.

• You mustn't do your homework everyday.

• You don't must do your homework everyday.

Change into interrogative:

You must do your homework everyday.

• Don't you do your homework everyday?

• Doesn't you do your homework everyday?

• Must you do your homework everyday?

• Don't you must do your homework everyday.