1. Grammar

2. closed bat bee lost get lost the same … as save adj. 关闭的 n. 蝙蝠 n. 蜜蜂 adj. 迷路的，迷失的 迷路 与 …… 同样 vt. & vi. 储存，节省 Words and expressions review

3. It’s difficult for giant pandas to live in the wild. They face serious problems. For example, the bamboo forests are becoming smaller and smaller. What do you think may happen to pandas? They may not have a place to live.

4. Look at the following sentences. 1. We may go abroad. I'm not sure. We may travel by sea. It may be cheaper. 2. — “The play may begin at any moment,” I said. — “It may have begun already,” Susan answered. 3. Li Hua wants to play in the next World Cup. 4. I plan to eat more fruit and vegetables every day. 5. After dinner, we like to watch TV and chat there. 6. I love to sit there and look out at the beach and the sea. 7. I want to help sick people. 8. I started to play the violin at the age of six.

5. Sentences from this unit: 1. I may die without them. 2. At four months old, she weighed about eight kilograms and started to go outside for the first time. 3. When she was six months old, she began to eat bamboo. 4. When she was 20 months old, she learnt to look after herself. 5. As a result, pandas may not have a place to live or food to eat. 6. If we do nothing, soon there may be none left!

6. 1. We ____ go abroad. I'm not sure. We ____ travel by sea. It ____ be cheaper. 2. — “The play _____ begin at any moment,” I said. — “It ____ have begun already,” Susan answered. 3. Li Hua ____________ in the next World Cup. 4. I _________ more fruit and vegetables every day. 5. After dinner, we ___________ TV and chat there. 6. I _________ there and look out at the beach and the sea. 7. I ___________ sick people. 8. I _____________ the violin at the age of six. wants to play may started to play want to help plan to eat like to watch love to sit

7. 9. I ____ die without them. 10. At four months old, she weighed about eight kilograms and ____________ outside for the first time. 11. When she was six months old, she ___________ bamboo. 12. When she was 20 months old, she ____________ after herself. 13. As a result, pandas ________ have a place to live or food to eat. 14. If we do nothing, soon there ____ be none left! may started to go began to eat learnt to look may not may

8. Peter ______ come with us tonight, but he isn't very sure yet. A. must B. may C. can D. will — Are you ready for the trip to the amusement park? — We decide ______ to an amusement park. We will go climbing. A. to go B. not go C. don’t go D. not to go

10. may 可用来表示猜测某件事发生的可能性， 常译为 “ 也许，可能 ” 。 例如： The news may or may not be true. 这消息也许是真的，也许不是真的。 At the moment she may be playing with her classmates. 此刻她可能正在和同学们玩。

11. Exercise: Think about what will happen next. Then use may to go on writing the sentences. 1.We need to protect pandas. 2.It is raining. 3.I will be very busy tomorrow. 4.Watch this DVD. 5.We will be happy to see you.

14. 当我们要表示 “ 想做某事、需要做某事 或决定做某事 ” 时，就会出现两个动词 连用的情况，这时应如何表达呢？ 同学们自然会想到 want to do sth., need to do sth. 和 decide to do sth. 等表达方式。 Using verbs + to-infinitives

15. Kitty is preparing to go out next Sunday. Kitty plans to take Linda out. Linda wanted to visit the park. Sandy agrees to go with them. Millie decided to stay at home. Please go on to look at the sentences below. Pay attention to the colored words.

16. 上面例子中主要行为动词后面的动词 都采用了 “to + 动词原形 ” 的结构，我 们把这种结构称为动词不定式（有时 可以不带 to ）。动词不定式没有人称 和数的变化，在句子中不能单独作谓 语，其否定形式是 “not to + 动词原形 ” 。 什么是动词不定式 (‘to-infinitives’) ？

17. We often use to-infinitives after these verbs. agree choose decide hope learn plan prepare want like start begin fail wish try remember forget

18. Exercise: Fill in the blanks 1.I plan ________ (go) out with my friend Peter. 2.I want ________ (visit) the UK. 3.I want ________ (take) a camera. 4.I plan _________ (write) an invitation letter in English. 5.I decide ________ (visit) some places of interest. 6.She failed _______ (pass) the exam. 7.I hope ________ (ride) there. 8.Lily, remember __________ (close) the door before you leave. to go to visit to take to write to visit to pass to ride to close

20. 1. — Don’t forget ______ your homework, John. — Ok, I’ll do it right now. [2011 怀化 ] A. doing B. do C. to do 2. — Have you decided which senior high school to choose? — Not yet. I ______ go to Moonlight School. [2012 江苏南京 ] A. must B. may C. need D. should I. 单项选择。

21. 3. — Excuse me, when are we going to have a picnic? — I’m not sure, Ask our monitor, please. He ______ know. [2012 江苏扬州 ] A. need B. can C. may D. shall 4. — Do you have any plans for this weekend? — I'm not sure. I ______ go climbing Mount Yuntai. [2012 河南 ] A. must B. need C. may D. can

22. 5. — Is Jim coming by train? — I’m not sure. He ______ drive his car. [2012 四川凉山 ] A. must B. may C. need 6. Drivers shouldn't be allowed ______ after drinking, or they will break the law. [2012 湖北咸宁 ] A. drive B. driving C. to drive D. to be driven

23. II. 完成句子。 1. 他可能认识你。 He _________ you. 2. 他们可能下周去长城。 They _________ the Great Wall next week. 3. 我们同意马上离开。 We agreed ________ at once. 4. Laura 计划到中国一些名胜之地旅游。 Laura ____________ some places of interest in China. 5. 你愿意和他一起工作吗？ Would you _____________ with him? like to work plans to visit to leave may know may go to

24. Review the Grammar and make some sentences with may and verbs + to-infinitives. Homework