place to shop.

　　④(2014·北京高考改编)Can I have a word with you? It won't take long.

　　⑤I was_able_to swim to the bank after the boat turned over.

　　2．may和might

　　(1)表示允许或征询对方许可，might表示更加委婉的语气。(有时可与can/could互换)

　　-May I watch TV after supper?

　　-Yes, you may./No, you mustn't.

　　--晚饭后我可以看电视吗？

　　--是的，可以。/不可以。

　　否定回答时，用can't或mustn't，不用couldn't。

　　(2)表示可能性，might可能性更小。

　　They might be having a meeting, but I'm not sure.

　　他们有可能在开会，不过我不确定。

　　(3)may放在句首可以表示祝愿。

　　May God bless you!

　　愿上帝保佑你！

　　(4)may/might as well＋动词原形，意为"不妨"。

　　If that is the case, you might as well try.

　　如果事情是这样的，你不妨一试。

　　[即时演练2]　用适当的情态动词填空

　　①(2015·陕西高考改编)You may feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.

　　②(2015·江西高考改编)Life is unpredictable; even the poorest might become the richest.

　　③-Are you coming to Jeff's party?

　　-I'm not sure. I might go to the concert instead.

　　④-May I smoke in this room?

　　-No，you mustn't.

　　3．must与have to

　　(1)二者均表示"必须"，但 must 是指说话人的主观看法，而 have to 则强调客观需要。must 用于一般现在时， have to 有更多的时态形式。

　　I have to wait here because I have no umbrella with me.

　　我不得不在这儿等，因为我没带伞。(强调客观需要)

　　I must recite the text this morning.

今天早上我必须背会这篇课文。(强调主观意志)