初二英语复习Unit8知识点北师大.doc

初二英语复习Unit 8知识点北师大版【本讲教育信息】一. 教学内容： 复习Unit 8知识点二. 本周教学重点1. must, mustnt, have to, dont have to 的用法。2. 词语辨析：get on, get off, cross/across/through, in time/on time, fall off/fall down3. 教材解析。三. 具体内容：一must, mustnt, have to, dont have to 的用法。 must, mustnt, have to, dont have to都是情态动词，情态动词与助动词不同，它有词义，但它也和助动词一样，不能单独做谓语，它必须和其他动词一起构成谓语。另外重要的一点是，情态动词没有人称和数的变化，情态动词后必须跟动词原形。1. must 的根本句型为：肯定句：主语+must+动词原形+1必须，应该，表示有做某一动作的必要或义务。e.g. You must buy a ticket. Scout must be home by 7.2一定，准是，表示有把握的判断或推测，此时一般只用于肯定句中。e.g. He must be our new teacher.3must的否认式是must not，可以缩写为mustnt，意为“不可以禁止一定不，表示强烈的语气。e.g. You mustnt smoke here. Its dangerous.They mustnt take any book out of the room.2. have/has to 的根本句型为: 肯定句：主语+have/has to+动词原形+，当句子是过去时的时候用had to e.g. We have to leave now. He has to work on Sunday. I had to do my homework last Sunday.否认句：主语+dont/doesnt have to/ didnt have to +动词原形+e.g. You dont have to walk so fast. He doesnt have to buy a new coat.Ex. 1. Cars, buses and bikes stop when the traffic light is red.A. can B. must C. may D. need2. Oh, dear! Did you walk such a long way on such a hot day? Sit down and have a drink. You be tired and thirsty.A. can B. must C. may D. should3. We talk loudly when we see the sign on the right.A. must B. mustnt C. need D. neednt4. I enjoy the party very much, but I go home. Its too dark.A. have to B. may C. mustnt D. cant5. The city cleaners repeat their work many times a day during the dust storm.A. may B. can C. might D. have to6. Buses and cars stop when the traffic light is red.A. can B. must C. may D. maybe7. you pass me a pen? Id like to write down the telephone number.A. Need B. Could C. Must D. Should8. Youre in danger. You get out.A. are able to B. can C. mustnt D. neednt二get on/off, cross/across/through, in time/on time, fall off/down 的词组辨析。1. get on, get offget on上车，get on with 进展get off 下车，离开e.g. Let the old and the young get on the bus first. How do you get on with your work? Well get off the train at the next station. They got off school after class was over.2. cross/across/throughcross 为动词，表示“穿过，越过，渡过，强调动作。across 为介词，表示“横过，穿过，强调从物体外表的一边到另一边，往往与动词连用，常指穿过一条路，一条河，一座桥等。through为介词，表示“穿过，通过，强调从物体或某范围的中间穿过，多指穿过森林，门窗等。e.g. The old man is crossing a bridge.Go across the Happy Road, and you will find the hospital on your left.The girl went through the large forest alone. 3. in time 及时on time 按时 e.g. We were just in time to catch the train. Everyone should finish his homework on time. 4. fall off 从上摔下来，fall down 失败，崩溃 e.g. She hit the wall and fell off her bike. The plan fell down because it proved to be too expensive. Ex. 1. He usually at seven oclock every day. A. gets off B. gets on C. gets up D. gets down 2. We immediately after breakfast. A. gets off B. get on C. got up D. got off 3. Lisa is well at school. A. getting down B. getting off C. getting on D. getting up 4. The meeting will be held . A. on time B. at times C. on times D. sometimes 5. The program because of lacking of money. A. fall down B. fell down C. fall off D. fell off 6. Dont the road. The traffic is busy now. A. across B. cross C. through D. over三教材解析。 1. Is it easy for you to find your way around in a new town or city?It is +adj. + for sb. to do sth.e.g. It is not easy for most people to learn a second language. It is hard for me to work out this problem.2. I realized I was going the wrong way. I was going the wrong way 是宾语从句，省略了that. I think (that)he is a funny boy.3. She stopped to help Stephanie. stop to do sth. 停止某事去做另一件事，stop doing sth. 停止做某事 e.g. She stopped to have a rest. She stopped having a rest.Ex.1. It is important the piano well.A. of him to play B. for him to play C. of him playing D. for him playing2. Are you sure he tells the truth?A. that B. which C. what D. when3. Lao Wang stopped “Hello to me when he saw me.A. say B. said C. to say D. saying4. It is difficult Susan Chinese well in a week.A. for, learn B. for, to learn C. to, for learning D. to, learn5. They knew the project couldnt be finished before ten oclock.A. when B. what C. that D. how6. Li Lei stopped his homework for he had to finish it by five oclock.A. does B. do C. to do D. doing7. They stopped because the teacher came in.A. talk B. talking C. to talk D. talked四句型转换。1. Ride on the sidewalk. 改否认句_.2. You have to wear light-colored clothes. 改否认句 _3. You have to follow the traffic rules when you are riding. 就划线局部提问_4. You need to pay attention to traffic lights when you are crossing the street. 就划线局部提问_5. The company could afford to pay so much money. 改一般疑问句 _6. I decided to take a taxi to Gavins house because it was very late. 就划线局部提问_ 7. He could drive a car before he left school. 改否认句 _ 以上答案请同学们见名师面授！【模拟试题】I. 单项选择.1. She hit the back of the bus and _ her bike.A. fall of B. fell of C. fell off D. fell from2. We werent able to get tickets _ the movie.A. of B. for C. with D. at3. He lives close _ his school.A. to B. in C. at D. with4. She couldnt use her bike _ a few days after that.A. in B. from C. of D. for5. The driver was trying to turn right _ a cyclist fell off his bike before his car.A. while suddenly B. when suddenly C. suddenly when D. suddenly while6. Look to your right and then left before you _ the street.A. across B. past C. cross D. walk7. He was not able to come last night _ his illness.A. because B. because of C. so D. of8. She couldnt see very well because it _.A. was raining B. is raining C. rains D. rained9. He _ ride a bicycle when he was only six years old.A. can B is able to C. could D. was able to10. I saw him _ the street with a young girl just now.A. to walk across B walking across C. walking cross D. acrossII. 用所给单词的适当形式填空.1. Is it easy for you _(find) your way around in a new town or city?2. The roads were so bad that heavy carts _(can) not pass.3. They decided _(take) a bus because buses _ (be) cheaper.4. We couldnt find the way after we _(get) off the train.5. Alan had an accident yesterday when she _(return) from school. A pedestrian saw the accident and she stopped _(help) Alan.6. The roads was so wet that she _(fall) off her bike on her way home yesterday. Luckily, she wasnt _(bad) hurt. However, her bike was _(break).7. Well go out to play after it stops _. (rain)【试题答案】I. 1. C 2. B 3. A 4. D 5. B 6. C 7.B 8. A 9. C 10. BII. 1. to find 2. could 3. to take, were 4. got 5. was returning, to help 6. fell, badly, broken 7. raining