2020届二轮复习语法专题情态动词课件（28张）

2020届二轮复习语法专题情态动词课件（28张）

读语篇，悟语法。反复朗读下列短文，领悟画线黑体部分。思考：各个情态动词的含义；什么情况下用情态动词的完成式，分别表达什么含义。 Lucy is an outgoing lady. She can [1] play many kinds of musical instruments. Actually, she could [2] play the piano when she was 8 years old. Lucy also keeps taking exercise every day. She says that she has to [3] do some sports because she must [4] keep slim.“You shall [5] get fat soon if you don ’ t take exercise every day. ” she usually says to her friends. As for her, an elegant lady should [6] try to keep fit. However, last week, she found that she might [7] put on weight and she was worried and decided to lose weight. And these days she is always thinking that she may [8] succeed soon if she tries all her best. However, she is always lack of time because she ought to [9] take care of her children. One night after supper, she walked quickly in order to go dancing at the Tomorrow Park and she was late. On her way, she thought that the dancing must have begun [10], and the coach could have taught or shown [11] many new moves. She was afraid that her friends might have left [12] before she got there. She was regretful then. She should have had [13] supper earlier, or she could have taken a taxi [14], and indeed she needn ’ t have taken [15] a bath in advance.When she reached the park finally, she found nobody was there. She remembered suddenly that it had been reported on the radio that there would be a heavy rain that night. 1 ． can 在此表示能力。 2 ． could 在此表示能力，是 can 的过去式。 3 ． have to 表示 “ 不得不 ” ，强调客观需要。 4 ． must 表示 “ 必须 ” ，强调主观想法。 5 ． shall 表示说话者的意图、允诺、告诫、警告等，用于陈述句的第二、第三人称。 6 ． should 表示劝告或建议，意为 “ 应该 ” 。 7 ． might 在此是 may 的过去式，表示 “ 可能 ” 。 8 ． may 表示 “ 可能 ” 。 9 ． ought to “ 应该 ” ，表示义务或责任，比 should 语气重。 10 ． must have done 表示对过去已经发生的事进行推测，意为 “ 想必已经做了某事 ” 。 11 ． could have done 表示对过去情况的推测，意为 “ 可能已经做了某事 ” 。 12 ． might have done 表示 “ 或许已经做了某事 ” 。 13 ． should have done 表示 “ 本应该做某事 ( 但没有做 ) ” ，有责备和懊悔之意。 14 ． could have done 意为 “ 本来可以做某事 ( 但没有做 ) ” ，有懊悔之意。 15 ． Needn ’ t have done 表示做了本来不必去做的事情，意为 “ 本不必做某事 ( 但却做了 ) ” 。 Ⅰ . 单句填空 ( 用 must, can, may, might ， shall, should, can ’ t, needn ’ t, mustn ’ t 填空。 ) 1 ． I ________ worry about my weekend—I always have my plans ready before it comes. 2 ． Just be patient. You ________ expect the world to change so soon. 3 ． —May I take this book out of the reading room? —No, you ________. You read it here. 4 ． You ________ park here! It ’ s an emergency exit. 5 ． I can ’ t leave. She told me that I ________ stay here until she comes back. needn’t can’t mustn’t mustn’t must 6 ． —I don ’ t really like James. Why did you invite him? —Don ’ t worry. He ____________ not come. He said he wasn ’ t certain what his plans were. 7 ． It ________ have been Tom that parked the car here, as he is the only one with a car. 8 ． The traffic is heavy this day; I ________ arrive a bit late, so could you save me a place? 9 ． It is usually warm in my hometown in March ， but it ________ be rather cold sometimes. 10 ． She ________ have left school, for her bike is still here. may/might must might can can’t Ⅱ . 单句改错 ( 下列每句中有一处错误，每处错误仅涉及一个单词的增加、删除或修改，请指出并改正。 ) 1 ． I used to living in Hunan but now I live in Guangzhou.____________ 2 ． She could sang very well when she was a girl.____________ 3 ． You ’ d better to wear rubbers, for it ’ s raining outside.____________ 4 ． I would rather to work than play.____________ 5 ． I asked him whether he needs go there.____________ 6 ． Something is wrong with my computer and it need repairing.____________ living → live sang → sing 去掉 to 去掉 to needs → need need → needs 7 ． I can have lent you the money. Why didn ’ t you ask me ？ ____________ 8 ． She should able to give us a good answer.____________ 9 ． Judging from what you say, he ought succeed.________________ 10 ． You mustn ’ t have told him the news; he knew it already.__________________ can → could 在 able 前加 be 在 ought 后加 to mustn’t → needn’t 第二课时　 写作增分 课 情态动词在写作中的增分点 一、利用情态动词的语法特征写对句子 1 ．他能游过那条河。 (can, swim, across the river) ____________________________ 2 ．她可能反对这件事。 (may, object to) ___________________ 3 ．他必须不遗余力学好英语。 (must, spare no effort, learn English well) _________________________________________ He can swim across the river. She may object to it. He must spare no effort to learn English well. 4 ．我明年就能开车了。 (will, be able to, drive a car) _________________________________ 5 ．我不会再迟到了。 (won ’ t, late) ______________________ 6 ．你最好尽你最大努力，来实现父母对你的期望。 (had better, try one ’ s best, live up to, expectations) __________________________________________________________ I will be able to drive a car next year. I won’t be late again. You had better try your best to live up to your parents’ expectations. 7 ．你不必告诉他什么。 (need/have to) _________________________________________________________ 8 ．她不敢单独在夜里出去。 (dare, alone) ________________________________________________________________ You needn’t tell him anything./You don’t have to tell him anything. She daren’t go out at night alone./She doesn’t dare to go out at night alone. 二、利用情态动词的推测性用法写靓句子 1 ． 我家乡春天的天气相当暖和，但有时也会非常冷。 (weather, fairly warm, can, extremely cold) ________________________________________________________________________ ___________ 2 ． 你在山路上开车时一定要小心，因为有时可能很危险。 (drive down the mountainous road) ________________________________________________________________________ The weather in my hometown is fairly warm in spring, but it can be extremely cold sometimes. You must be careful when you drive down the mountainous road, because it can be dangerous. 3 ．我明天或许不会去看你，因为我的叔叔明天可能来。 (might, call on, drop in) _______________________________________________________ 4 ．现在，他不可能在和他的同学一起旅游。相反，他一定是在家里学习。 (tour with, study) ______________________________________________________________________ _________________ I might not call on you tomorrow, because my uncle might drop in. At the moment, he can’t be touring with his friends.On the contrary, he must be studying at home. 5 ．是因为我学习不够努力，还是因为我学习方法不当？ (can, work hard enough, in the right way) ______________________________________________________________________ ___________ 6 ．他随时会到。 (should, any moment) ________________________________________________________________________ Can it be because I haven’t worked hard enough or because I haven’t studied in the right way? He should be here any moment. 三、利用 “ 情态动词＋ have done ” 写高级句子 1 ．那天上学我迟到了。我可能把闹钟关掉后又睡着了。 (turn off the alarm clock, fall asleep) ________________________________________________________________________ ______________ 2 ．我到家后发现我的钱包不见了。或许我把它遗忘在你的出租车上了。 (can ’ t find my wallet, leave, taxi) ______________________________________________________________ I was late for school that day.I might have turned off the alarm clock and fallen asleep again. I couldn’t find my wallet when I got home.I might have left it in your taxi. 3 ．她不可能已经走了，因为她的手提包还在这里。 (leave, handbag, lie) ___________________________________________________ 4 ．他可能是去北京了，因为他曾经说过他的姑姑在那里工作。 (could, once said) _______________________________________________________________ 5 ．我一定是在回家的路上把它弄丢了。 (drop it somewhere on my way home) ______________________________________________ She can’t have left, because her handbag is still lying here. He could have gone to Beijing, because he once said his aunt worked there. I must have dropped it somewhere on my way home. 四、巧用 “ will, shall, would, used to ” 增加句中 “ 惹眼 ” 成分 1 ．如果你不听我的建议，你会后悔一辈子的。 (follow one ’ s advice, regret) _____________________________________________________________ 2 ．我尽力推门，门就是不开。 (push, wouldn ’ t) _______________________________________ 3 ．我告诉他不要辍学，但他不愿意听。 (tell, drop out of school) ___________________________________________________ If you don’t follow my advice, you shall regret for the rest of your life. I tried to push the door, but it wouldn’t open. I told him not to drop out of school, but he wouldn’t listen. 4 ．当我们小的时候，他星期天总是来我家和我一起玩。 (come over to my home, on Sundays) ________________________________________________________________________ 5 ．我过去夜里睡得早，但我现在已习惯熬夜了。 (used to, get used to, stay up late) ___________________________________________________________ When we were young, he would come over to my home and play with me on Sundays. I used to go to bed early at night, but I get used to staying up late now.