英语周报2016-2017学年高二外研版选修八：Module 6 课件 Grammar 精品

4. Which two modal verbs have the same meaning? may & might
5. Which two modal verbs have the opposite meaning? must & can’t
must 的用法 1) 表义务, “__必__须____”。
3) He _c_a_n_’t_ have known that people would still be reading his poetry after hundreds of years.
4) Li only left an hour ago. He _ca_n__’t_ have arrived at the office yet.
5) Du Fu and Li Bai probably had very different personalities. Du Fu and Li Bai must have had very different personalities.
6) Du Fu certainly didn’t have an easy life. Du Fu can’t have had an easy life.
4. Complete the sentences with must, can’t, and may / might.
1) We _m__a_y_/m__i_g_h_t study English poetry next year. I’m not sure yet.
2) Shakespeare _m_u_s_t_ be one of the most famous poets in the world.
3) may和might还可表示可能，might表 示的语气更加委婉、客气。 e.g. Do you think Mr. Jackson may / might be here on time?
4) 在口语中can可以代替may表示许可，但 _c_a_n___较随便，_m__a_y_ 更正式。 e.g. Can I use your bike, John?
3) He may have died when he fell out of a boat. (a) He died when he fell out of a boat. (b) Perhaps he died when he fell out of a boat. (c) He probably didn’t die when he fell out of a boat.
1) Li Bai must have had a strange life. (a) He probably had a strange life. (b) Perhaps he had a strange life. (c) He probably didn’t have a strange life
5. Rewrite the sentences using modal verbs.
Example: The Tang Dynasty was probably one of the most exciting periods in Chinese history. The Tang Dynasty must have been one of the most exciting periods in Chinese history.
1. Do the sentences express opinions or facts? They express opinions.
2. Which sentences suggest the speaker is certain of something? (a) & (b)
3. Which sentences suggest the speaker is not certain? (c) & (d)
2) I think all poems should have rhymes. (e) This sentence expresses an opinion about what is right.
3) You should have asked my dad.
(a) This sentence refers to something which didn’t happen.
1) Perhaps the biggest foreign influence came from India. The biggest foreign influence may/might have come from India.
2) It is possible that Li Bai spoke other languages. Li Bai may/might have spoken other languages.
7) He probably wondered why he failed the Civil Service Examination. He must have wondered why he failed the Civil Service Examination.
8) Perhaps the Civil Service Examination contributed to the success of Tang poetry. The Civil Service Examination may/ might have contributed to the success of Tang poetry.
约翰, 我可以用一下你的自行车吗？
May I have a look at your license please, sir?
先生，我可以看一下你的执照吗?
2. Make deductions about these things in the poem Farewell to a Friend. Use must, can’t and may / might.
e.g. You must talk to them about their study. 你必须同他们谈谈关于他 们学习的事。
2) 在否定结构中表 “不__许__、__禁__止____”，语 气比较强烈。
e.g. You mustn’t leave here. 你不能离开这儿。
3) 表 “坚定的建议”。 e.g. You must come and see us as soon as you get to Shanghai. 一到上海你就得马上来见我们。
4) Could you answer a few questions, please? (c) This is a polite way of asking someone to do something.
5) Would you like to say the second verse now? (g) This is an invitation to do something.
5) Du Fu can’t have known he would become famous after his death. (a) Perhaps he didn’t know he would become famous. (b) He certainly didn’t know he would become famous. (c) He thought it was impossible he would become famous.
4) The two men must have been very good friends. (a) They might have been good friends. (b) They were probably very good friends. (c) It is certainly true that they were good friends.
Review of modals : should could would
1. Match the sentences with their interpretations.
1) You should read the poem sometimes. (b) This sentence gives a piece of advice.
3) He was probably a very lonely man. He must have been a very lonely man.
4) One possibility is that he died from alcohol poisoning. He may/might have died from alcohol poisoning.
4) 表_推__测_____, 暗含有很大的可能性。 e.g. He must be ill. He looks so pale. 他肯定是病了。他的脸色那么 苍白。
【注意】 may 暗含的可能性_较__小___，must 暗含 的可能性__较__大___。
Leabharlann Baidu
5) must的简短回答： e.g. Must I clean the dining room at once? 我必须马上打扫餐厅吗？ –Yes, you must. – No, you needn’t. – No, you don’t have to.
“可__以____”的意思。
e.g. You may go now. 你可以走了。
May I use your computer? 我用一下你的电脑可以吗？
2) 回答以may开头的疑问句有如下表达 法： e.g. May I smoke here? 我可以在这儿抽烟吗？ – Yes, you may. – Yes, please. – No, you can’t. – No, you mustn’t. – No, you'd better not.
Review of modals (1): must can’t may / might
1. Read the sentences and answer the questions.
(a) The topic of the poem can’t be travel. (b) It must be something more personal. (c) It may be friendship. (b) It might be the journey through life.
the mountains the river the town the friend the meaning of the poem Example: the town It must be / can’t be Beijing.
3. Choose the best explanation for each sentence.
can't的用法 can’t表示不允许，意为“不能；不可 以”。 can’t还可以表示有把握的否定推测，意 为“不可能”。
e.g. You can’t go home now. The boy can’t be Ben. He has gone back to his hometown.
may, might的用法 1) 表示许可或征求对方的许可，有
2) He can’t have been interested in a normal job. (a) He was probably interested in a normal job. (b) Perhaps he was interested in a normal job. (c) He probably wasn’t interested in a normal job.