中考英语语法复习专题15 状语从句复习课件 22页

状 语 从 句 Grammar Let's enjoy a song If you are happy and you know it , clap your hand. If the green light isn’t on , wait a minute. If it rains tomorrow ,we will not go to the zoo. If you work harder , you’ll pass the exam. 如果绿灯没有亮，就等一下。 如果感到幸福，你就拍拍手。 如果明天下雨，我们就不去动物园。 如果你学习更努力，你就会通过考试。 If the telephone rings , ___________________. _________________, you will be late for school. Look and say I will answer it If you get up late If you are ill , ______________. If you ride a bike in the street,_______________________. you must go to see a doctor you must be very careful 条件状语从句 由 if （ 如果 ） , unless（if...not ，除非 ）, so/as long as （ 只要 ） 等 引导 ，谈论的是一个有可能发生的事实及其产生的相关的结果，主句用现在时，从句也用现在时；主句用过去时，从句也用过去的某种时态。 主将从现 具体地讲，主句是一般将来时(包括祈使句和含有情态动词can, may, must等)，从句也用一般现在时 We won’t wait for him , if he doesn’t come before 12o’clock. We won’t wait for him , unless he comes before 12o’clock. 如果他12点前不来，我们就不等他了。 So long as you keep on trying, you will surely succeed. 只要你继续努力，你就会成功。 Choose the right answer: I'd like to go swimming __the water is not too cold.A. for B. unless C. if D. whether 2 . ---Do you know if he __to play basket ball with us? ---I think he will come if he ______ free tomorrow. A. comes; is B. comes; will be C. will come; is D. will come; will be 3 . ___ you study harder, you'll never pass the exam.A. If B. Until C. Unless D. Except 4 . I’ll go swimming with you if I _____free tomorrow. A. will be B. shall be C. am D. was 时间状语从句 由连词 when（ 当……时候） , while（ 当……时候） , before（在 ……之前） , after（在……之后）, till/ until（直到）, as soon as （一 ……就……）， as（当……时,一边……,一边……）, since（从……以来）, whenever （无论何时） 等引导。 当她回来时，我将告诉她每一件事。 当我在做作业时，妈妈在做饭。 他在工作十年以后就出国了。 I will tell her everything when she comes back. My mother was cooking while I was doing my homework. After he had worked for ten years, he went abroad. 在忘记之前,我要把它写下来。 我一到上海就会写信给你。 我们一直到雨停了才离开。 We did n’t leave until the rain stopped. As soon as I arrive in Shanghai, I will write to you. I’ll write it down before I forget it. when, while, as 均可以表示“ 当……时候 ”。 　 when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用，从句常用 进行时态 。如： 　　 When he came in, his mother was cooking. When (While) we were at school, we went to the library every day. 当我在做作业时，妈妈在做饭。 My mother was cooking while I was doing my homework. 时间状语从句一般不用将来时，如果主句是一 般将来时态、祈使句或者是含有将来的动作和 意味时，由 when, till / until, as soon as 引 导的时间状语从句一般用现在时态来代替将来 时。即 主将从现 如： I will tell her everything when she comes back. 当她回来时，我将告诉她每一件事。 选择正确的单词完成句子。 Some students were reading _____ (while / when) others were writing. 2. I didn’t go to bed _____ (until / after) my granny came back home. 3. Mother asks me not to play computer games _____ (before / when) I finish my homework. √ √ √ 4. You must be tired _____ (after / before) working for eight hours without a rest . 5. Don't worry. I’ll call you _____ (as soon as / until) I get the news. 6. _____ (When / While) class began, we stopped to listen to the teacher carefully. √ √ √ 原因状语从句 常用的引导连词有 because, as, for 和 since 。 because 用于表示直接 原因,回答why提出的问题，语气最强；对于显而易见的原因，常用 as或since。 as 用于说明原因, 着重点在主句，常译成“由于”； since 表示显然的或已知的理由或事实，常译成“既然“,as和since 的从句常放在主句之前，而because的从句常放在主句之后； for 因为、由于，是对某种情况加以推断或解释，对前一分句进行附加 说明；它引出的分句必须放在另一分句后。 He didn’t come to school because he was ill. As it is raining, we won't go the zoo. Since you can’t answer the question, I’ll ask someone else. There must be no one in the house， for the door is closed. because 和so 不能 同用在一个句子里, 如： 我们不能说： Because it rained hard, so we stayed at home. 应该说： 或 It rained hard, so we stayed at home. Because it rained hard, we stayed at home. 目的状语从句 常用的引导连词有 so that 和 in order that 译为： 以便, 为了, 目的是 我们早起以便能赶上第一班火车。 为了将来能找到更好的工作，他努力学习。 We used the computer in order that we might save time. We got up early so that we could catch the first train. He studies hard so that he could work better in the future. 我们使用电脑以便能够省时。 常用引导词 ：so 所以，so... that…如此……以致于, such… that… 如此……以致于 常用句型： so+ adj. (adv.) + that so+ adj. + a (an) + n. +that such +a (an) +adj. + n. + that such +adj. + n (s) +that 我的铅笔在地上，所以我没看见它。 他是如此的穷以至于买不起自行车给他儿子。 He is so poor that he can’t buy a bike for his son. 她是如此好的一个老师以至于每个人都喜欢她。 She is such a good teacher that everybody likes her. 结果状语从句 My pencil was on the floor, so I didn’t see it. 注意 so that 与 so 一词之差， 前者连接目的 状语从句， 而后者连接结果状语从句。 从句中动词的时态也有区别： 目的状语从句中时态表示将来、可能性，带有情态动词can, could, may, might等。而结果状语从句中表示已经发生。 We got up early so that we could catch the first train. They got up late so they didn't catch the first train. 目的状语从句 结果状语从句 (1)让步状语从句通常由 although, though, even though（尽管……,虽然……) 等连词引导。例如： Though he is young, he knows a lot. Although I am tired, I must go on working. ( 2)although(though)和 but不能用在同一个句子中 。如： 我们不能说： Though it was raining hard, but he still went out. 应该说： 或 让步状语从句 Though it was raining hard, he still went out. It was raining hard, but he still went out. 1.I'll go to see the film with you ______ I have time this evening. A. whether B. so C. if D. when 2.The police asked the children _______cross the street ________ the traffic lights turned green. A. not; before B. don’t; when C. not to; until D. not; after 3. Tom will call me as soon as he ___ Shanghai.A. arrives B. will reach C. arrives in D. get to 4.He took off his coat _______ he felt hot. A. because B. as C. if D. since 5.You’ll fail in chemistry again ______you work harder． A. if B. unless C. whether D. though 6. ___ __ he came to study in the university, he has made much progress in the study of English.A. While B. When C. Since D. After 7. I got there ___ late ___ I didn't see him. A. too; to B. such; that C. so; that D. so; as 8. The teacher raised his voice _______ all the students could hear him. A. so B. so that C. because D. in order to 9. ____ he has little knowledge, the old worker has a lot of experience. A. Although B. Because C. If D. but 10. -- What's your plan for the summer holidays? --I'll go to Beijing_____ the school term ends. A. in order that B. so that C. as soon as D. even though There was an old pear tree in a man’s garden. In the past, the tree fruited every year, so the man would get many 1._______. But now, the tree got old. There were no more pears for the man .So the ungrateful（忘恩负义的 man decided to 2._______the tree down. When he walked to the tree3._________an axe（斧子） in his hand, the tree said to him, “Please don’t cut me down. I have brought so many pears for you in the past years. Now I only have a short time to live.” “I’m sorry. I have to do so,” the man said,”4._______I need something to make a chair.” Then he began to wave his axe. At that moment, a 5.________ in the old tree said to him,” Don’t cut it down! Every time you go out and your wife feel lonely, she will come out to the garden and sit 6._______the tree to enjoy its cool shade（树荫）, and I sing songs to make her happy. We give much pleasure to your wife 7.______you are away from home. The man didn’t 8._______to the bird and drove it away. When he was about to cut the tree, some bees flew out of it and said, “Listen! 9.________ you agree not to kill this tree, we will give you delicious honey every day. Would you please leave the tree with us?” The man got moved（感动）. He said,” You are so kind to the tree, 10._______. it has become old. Now I see that I shouldn’t cut it down. It has done so much to me and my wife. Let the tree stay here, and let the bird continue to sing songs here.” With these words, The man left. And the old tree lived there to its last day. pears cut with Because bird under when listen although If