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Unit 1 Festivals around the world Checking answer I (2m)Answer keys for Ex.1 on Page 4: religionreligious dangerdangerous humourhumourouscourage-courageous culturecultural nationnational seasonseasonal originoriginal produceproduction educateeducation celebratecelebration predictprediction Checking answer II (2m)Answer keys for Ex.2 on Page 4:Many people think that Christmas is a western _ , but in fact it is really a worldwide holiday. Christmas actually started as a _ festival celebrated by _ around the world. Its _ is around the 3rd or 4th century AD when the _ of remember-ing Jesus birth on December 25th first started. Today, of course, many people celebrate Chris-tmas _ it were just a holiday to_ family, rather than a holiday about a _celebration religiousChristiansorigin customas though have fun with belief Checking answer III ( 2m )Answer keys for Ex.3 on Page 4:1. look forward to 2. starving 3. custom 4. G ather5. Admire 6. Belief 7. harvests, harvests 8. feast 9. tricks 10. gain, gain Grammar modal verb 情 态 动 词 有 一 定 的 意 义 ， 但 没 有 人 称 和 数 的变 化 ， 不 能 独 立 使 用 ， 它 和 后 面 的 动 词 构 成谓 语 只 作 情 态 动 词 的 can/could, may/might, ought to， must可 情 态 可 实 义 的 need, dare/dared可 情 态 可 助 动 词 的 shall/should, will/would相 当 于 情 态 动 词 的 have to, used to Must , can/could, may/might 的用法must 1.Must 表示推测时， 只能用于肯定句。 这 个 电 脑 肯 定 出 了 问 题 。There must be something wrong with the computer. 你 努 力 学 了 一 整 天 ， 一 定 累 了 吧 You have worked hard all day. You must be tired. 2.Must +be doing/do 表示对现在的动作进行 肯定推测 他现在一定在看小说 He must be reading novels now. 他们买了一辆新车。 他们一定很有钱 They have bought a new car. They must have a lot of money. 3. Must +have done 表示对过去发生的事情作出的 肯定 判断 他们在玩篮球， 他们一定完成了作业。 They are playing basketball, they must have finished their homework. 路是湿的。昨天晚上一定下雨了。 The road is wet. It must have rained last night. can/could 1.can /could 表示推测时，只能用在否定句或疑问句 中。 Its so late. Can Tom be reading? 这么晚了，汤姆还在看书吗？ 这个人不可能是玛丽， 她生病了。 It cant be Mary. She has fallen ill. 她不可能在说谎。 She couldnt be telling lies. 2. can/could have done 对过去发生行为的可能性 进行推测: 刚才我还看见他了， 所以他不可能出国的。 I saw him just now so he couldnt have gone abroad. 门是锁着的， 所以她不可能在家。 The door was locked. She couldnt have been at home. 3. can/could have done “本可以，本来可能已经” 用于肯定句中，表示对过去发生的事情做出的判断， 你本来可以考的更好。 You could have had a better mark. may/might 1.May/might表示推测时，只能用于陈述句， 表示对现在或将来要发生的动作把握不大。 她们明天可能会到这里来。 They may come here tomorrow. 他们可能还在等我们呢。 They may be still waiting for us. 2.might 可用于指过去的行为或者表示可能性更小。 他也许在作功课吧。 He might be doing his homework now. 我问他我是否可以离开。 I asked him if I might leave. I asked him “May I leave now?” 3.might/may have done,表示对过去发生的动作 进行可能性推测， 他可能去医务室了。 He may have gone to the clinic. 他可能已经从报纸上知道这个消息了。 He might have read about the news in the newspaper. Will /Would you do? 表 请 求表 意 志 ， 愿 望 ， 决 心would表 过 去 反 复 发 生 得 动 作 或 某 种 倾 向 “ 总 是 ,总 要 ”used to表 过 去 常 常 （ 现 在 已 没 有 这 种 习 惯 ） “ 过 去 常 常 ”used to 可 于 状 态 动 词 连 用 would不 可 以eg. He used to be a quiet boy. ( )He would be a quiet boy. ( ) will/would 1. - Will you go skating with me this winter vacation? - It _ . A. all depended B. all dependsC. is all depended D. is all depending解 析 ： 答 案 B。 It all depends 是 “ 不 确 定 ” 、“ 看 情 况 ” 的 意 思 。练 习 B 2. I failed in the final examination last term and only then _ the importance of studies.A. I realized B. I had realizedC. had I realized D. did I realize解 析 ： 答 案 为 D. 句 首 为 “ only + 副 词 ” 时 ， 句子 要 用 部 分 倒 装 语 序 ； 根 据 语 境 应 为 一 般 过去 时 态 。 D 3. - I would never come to this restaurant again. The food is terrible! - _ . A. Nor am I B. Neither would I C. Same with me D. So do I答 案 B。 第 一 个 句 子 使 用 了 would, 用 neither表 示 附 和 的 意 义 时 ， 助 动 词 应 与 上 文 一 致 。B When you are very sure of something, you use must in positive sentences and cannot or cant in negative sentences.e.g. You must be Jeanne. Im Mathilde Loisel. We used to know each other very well. It cant be true! I dont believe it. When you are quite sure about something, you use can. e.g. Attending a ball can be exciting.Practice 1 When you think that something is possible, but you are not very sure, you use could, may or might.e.g.You could borrow some jewellery from your friend Jeanne, who is married to a rich man.You may not know that the necklace I returned is not the one that I had borrowed.Dont you have a friend who might lend you some jewellery? Practice 2:表示推测情态动词的重要用法.1. You must be Mr Smith-I was told to expect you here.2. H e must have known what we wanted.3. We may have read the same report.4. H e cant have slept through all that noise.5. Theres someone outside-who can it be?6. What can they be doing?7. These pills might help to cure your disease.8. You could be right, I suppose. 表示推测情态动词的重要用法.肯 定 的 推 测可 能 的 推 测否 定 的 推 测疑 问 的 推 测must 对 将 来 对 现 在 对 过 去情 态 动 词may, might cant, couldntcan, could + V. + V. + have done常 见 must be + be doing + V. + V. + have done + be doing 可 以 用 not表 示 “ 可 能 不 ” +V. + V. + have done + be doing+ V. + V. + have done + be doing 1. I dont know where she is, she _ be in Wuhan. 2. At this moment, our teacher _ our exam papers. 这 时 ， 我 们 老 师 想 必 在 批 改 试 卷 。 3. The road is wet. It _ last night. (rain) 4. Your mother _ for you. 你 妈 妈 一 定 一 直 在 找 你 。 maymust be markingmust have rainedmust have been looking 5. Philip _ seriously in the car accident. 菲 利 普 可 能 在 车 祸 中 受 了 重 伤 .6. -Linda has gone to work, but her bicycle is still here. -She _ (go) by bus.7. Mike _ his car, for he came to work by bus this morning. 迈 克 一 定 还 没 有 找 回 他 的 车 ， 因 为 早 上 他 是 坐 公 共 汽 车 来 上 班 的 。may (might) have been hurtmay (might) have gonecant have found
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