Choose the correct modal verb for each blank.

1. It's very warm outside so you  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to put on a coat.
2. You  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to speak with your mouth full. It's impolite.
3. She  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to gone to the doctor last week, but she didn't. She's so stubborn.
4. Tom gave me a letter to post. I  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to forget to post it.
5. She felt ill and  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to leave early.
6. You  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to very tired after such a long journey. Have a rest.
7. Who knows? You  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to win a lot of money in the lottery.
8.  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to you take care of my mother while I'm away shopping?
9. You  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to informed me in advance. Now I've come for nothing.
10. We  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to take the taxi because there is no public transport available at this time of night.
11. All the doors  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to locked after ten p.m.
12. It  can't becouldcould havehad tomightmust bemustn'tneedn'tshould beshould havewill have to Sue over there . She said she'd be in New York the whole weekend.