1. Unit 22 I II In this unit you s study vocabulary to do with languages; tudy the progressive infinitive; tudy be going to for prediction; r review the use of so; eview the future perfect; s study the use of likely, probably and possibly; 内 容 提 要

2. Session 1 In this session you In this session you study the progressive infinitive; study the progressive infinitive; study ways of talking about numbers; study ways of talking about numbers; review the use of so review the use of so study be going to for prediction ; study be going to for prediction ; Language Focus

3. 1, The progressive infinitive 动词不定式的进行时 to be + 现在分词 ( be doing) to be + 现在分词 ( be doing) 动词不定式的一般式 动词不定式的一般式 to live, to study, to come, to do to live, to study, to come, to do 他们与一般现在时一样，表示客观事实 或普遍真理。 他们与一般现在时一样，表示客观事实 或普遍真理。 a, Over 3000 million people are said to speak English as a second language. a, Over 3000 million people are said to speak English as a second language.

4. 有时不定式的一般形式表示的动作通常与主要谓语 所表式的动作（状态）同时（或几乎同时）发生。 b, Tell her we shall be delighted to come. b, Tell her we shall be delighted to come. c, We rejoiced to see her back. c, We rejoiced to see her back. 有时动词不定式动作发生在主要谓语动作后。 有时动词不定式动作发生在主要谓语动作后。 d, They invited us to go there this summer. d, They invited us to go there this summer. e, She is waiting to hear your answer. e, She is waiting to hear your answer. 如果动作发生在谓语动词前，就用动词不定式的完 成时。 f, I’m glad to have seen your mother. f, I’m glad to have seen your mother. g, He is said to have written a new book.

5. 如果主要谓语动词表示的动作发生时，不定 时表示的动作正在进行，就用动词不定式 的进行时。 a, They are said to be building another bridge across the river. b, We didn’t expect you to be waiting for us here. Activity 4 1), to be learning 2), to speak 3), to speak

6. 4), to read 5),to use 6), to be increasing 2,The ways of talking about numbers ; 1,hither2,lower 3,approximate, 4,showing a range 5,exact over over more than At least less than up to Undernearlyalmost more or less aroundapproximatelyaboutbetween x and y from x and y preciselyexactly

7. Language focus 3, The use of so so ( 连接词）因此，所与 therefore 相似 A, My sister is expecting me, so I must be off now. B, It was already rather later, so we decided to go home. so --- that ( 从属连词）如此的， ---- 以至 于 She was so moved that tears came to her eyes.

8. so + 形容词 It was so cold outside that we had to stay at home. It was so cold outside that we had to stay at home. so + many (much)+ 名词 + that ( 结果状语） so + many (much)+ 名词 + that ( 结果状语） so that ( 表示目的状语）， 与 can 连用 so that ( 表示目的状语）， 与 can 连用 We study English so that we can use it in computer. Activity 6 Activity 6 1),English is so important that I have to study it. 1),English is so important that I have to study it. 2),There are so many scientific publications in English that people have to learn to use them.

9. 不止 3), He is learning English so that he can use the Internet. 4), Employers think it’s so important to speak English that some pay for their staff to learn it. 4), Employers think it’s so important to speak English that some pay for their staff to learn it. Activity 5 Activity 5 To say some thing about the text 1) ， not only ----but also ( 不止是 --- 而且是） He not only had read the book but also remembered the content.

10. 2), communicate with -------( 与 ---- 交流 ) communicate with sb by letter ( 与 --- 通信） by telephone （与 ---- 通电话） by telegraph （与 ----- 通电报） 3), benefit from --- ( 受益于，从 --- 受益） We benefit from daily exercises. 每天做操对我们有益。 4), once ( 一次，曾经） I’ve seen the film once. I swim once a week.

11. I once lived in Beijing. once （一旦 ---- 就） Once the principle contradiction is grasped, all problems will be solved. 一旦抓住主要矛盾，一切问题都迎刃而解 了。 Language focus 4, be going to ( 表示预测 ) I’m going to have a long holiday next week. ( 表示将来的打算）

12. It’s going to rain. ( 表示 预测） Read the following sentences and say if they are intentions ( I ) or predictions (P). 1), I’m going to study my English vocabulary for five minutes every d ay. ( I ) 1), I’m going to study my English vocabulary for five minutes every d ay. ( I ) 2), My vocabulary notebook is going to be very useful. (P) 2), My vocabulary notebook is going to be very useful. (P) 3), I’m going to ask a friend to study with me. 3), I’m going to ask a friend to study with me. ( I ), 4), 4), I’m going to speak to my family in English for five minutes every day. ( I ) 课 堂 练 习 课 堂 练 习

13. 5),They’re going to think I’m very clever. (P) 6), I’m going to listen to pop music. ( I ) 7), My English is going to improve a lot. (P) 8), I’m going to get a better job when I’ve got a bit more experience. (P) Session 2 In this session you review the future perfect; practise finding synonyms; study the use of likely, probably, possibly

14. 1, The future perfect 肯定句 will + have done( 动词的过去分词） 否定句 will not + have done The future perfect 用于将来一确定时间完 成某事。 He will have retired by 2005. He will = He’ll We’ll have finished the work before next Friday. 常用的时间短语有； by the end of the next weekend, (year, month, vocation)

15. by the year 2050 Activity 12 Activity 12 By the year 2050, By the year 2050, 1), Doctors will have discovered new ways to cure disease. 1), Doctors will have discovered new ways to cure disease. 2), We will have built cities on the other planets. 2), We will have built cities on the other planets. 3), Scientists will have found new ways to travel. 3), Scientists will have found new ways to travel. 4), Astronauts will have discovered life on the other planets 4), Astronauts will have discovered life on the other planets. 5), Pills won’t have replaced food. 6), The problem of pollution won’t have disappeared.

16. 2, Finding synonyms P ara 1,(a), link (b), for now (c), beginning connect for the time being start P 2 (a), at the moment (b), bigger (c),combined currently greater put together Para 3, (a), for example (b), fallen for instant dropped Para 4, (a), in addition to this (b), increasing (c), declined furthermore growing dropped Para 5, (a), consequently (b), joining

17. as a result connecting Para 6, (a), pick up (b), speak two languages fluently Para 6, (a), pick up (b), speak two languages fluently learn bilingual learn bilingual 3, To learn some new words in the text 3, To learn some new words in the text 1), encourage 鼓励 ， 怂恿 ，促进 1), encourage 鼓励 ， 怂恿 ，促进 encourage the practice of making investigations and studies encourage the practice of making investigations and studies 鼓励倡导调查研究 鼓励倡导调查研究 2), outnumber 数目超过，比 ------ 多 2), outnumber 数目超过，比 ------ 多 The students in Class 1 outnumber the students in Class 2. The students in Class 1 outnumber the students in Class 2. 3), put together 加起来 3), put together 加起来 You two had better put your hands together.

18. 你们俩人最好商量一下。 4), take on 扮演 ， 承担 4 ， The use of likely, probably and possibly 这些词组均表示可能性。 likely 表示可能性较大， to be likely + to do, to be likely not to do will + probably + do, will +probably +won’t +do possibly 多用于肯定句，表示的是有可能发生， 也有可能不发生。语气较不肯定 。

19. Activity 15 Part A 1),Several languages______ die out. are likely to are likely to 2), English _____ remain very important. 2), English _____ remain very important. will probably will probably 3), Spanish ______ become more important than English. 3), Spanish ______ become more important than English. probably won’t probably won’t 4), Chinese ______ continue to expand on the Internet. 4), Chinese ______ continue to expand on the Internet. is likely to is likely to 5), Portuguese _____ take the place of Spanish. 5), Portuguese _____ take the place of Spanish. is unlikely to is unlikely to

20. Part B Rewrite the following sentences to give the same meaning as the original using the words in brackets; 1), French won’t dominate the Internet. 1), French won’t dominate the Internet. is unlikely to is unlikely to 2), English is likely to remain the languages of technology. 2), English is likely to remain the languages of technology. will probably will probably 3), Chinese may become a world Internet language. 3), Chinese may become a world Internet language. will possibly will possibly 4), Several languages are unlikely to survive. 4), Several languages are unlikely to survive.

21. probably won’t 5, Translation Practice 5, Translation Practice 情态动词 must 的翻译； 情态动词 must 的翻译； must ( 必须，一定， 肯定或准是） must ( 必须，一定， 肯定或准是） 1), All CFC coolants must be removed from fridges. 必须将所有的氟绿化碳冷却液从冰箱中去除。 必须将所有的氟绿化碳冷却液从冰箱中去除。 2), You must do something about your car today, It’s dangerous. 2), You must do something about your car today, It’s dangerous. 今天你必须修修你的车了，太危险了。 3), You really must do something about it. 3), You really must do something about it. 我确实应该对此采取一些措施了。

22. 4), You must try that garage. It’s very good. 你一定要试试那个修理站，特别好。 你一定要试试那个修理站，特别好。 5),Why must you keep silent ？ 5),Why must you keep silent ？ 你为什麽（ 非得）一言不发？ 你为什麽（ 非得）一言不发？ 6 ， Homework for today 6 ， Homework for today Please do the activities of Unit 22 in” This Is English 4” 。 Please do the activities of Unit 22 in” This Is English 4” 。 The End The End