八年级英语复习Unit 8知识点北师大版知识精讲

初二英语初二英语复习复习 UnitUnit 8 8 知识点知识点北师大版北师大版 本讲教育信息本讲教育信息 一 教学内容 复习 Unit 8 知识点 二 本周教学重点 1 must mustn t have to don t have to 的用法 2 词语辨析 get on get off cross across through in time on time fall off fall down 3 教材解析 三 具体内容 一 must mustn t have to don t have to 的用法 must mustn t have to don t 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 的基本句型为 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 3 must 的否定式是 must not 可以缩写为 mustn t 意为 不可以 禁止 一 定不 表示强烈的语气 e g You mustn t smoke here It s dangerous They mustn t take any book out of the room 2 have has to 的基本句型为 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 否定句 主语 don t doesn t have to didn t have to 动词原形 e g You don t have to walk so fast He doesn t 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 need 2 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 should 3 We talk loudly when we see the sign on the right A must B mustn t C need D needn t 4 I enjoy the party very much but I go home It s too dark A have to B may C mustn t D can t 5 The city cleaners repeat their work many times a day during the dust storm A may B can C might D have to 6 Buses and cars stop when the traffic light is red A can B must C may D maybe 7 you pass me a pen I d like to write down the telephone number A Need B Could C Must D Should 8 You re in danger You get out A are able to B can C mustn t D needn t 二 get on off cross across through in time on time fall off down 的词组辨析 1 get on get off get 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 We ll get off the train at the next station They got off school after class was over 2 cross across through cross 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 强调从物体表面的一边到另一边 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 o clock 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 Don t 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 playing 2 Are you sure he tells the truth A that B which C what D when 3 Lao Wang stopped Hello to me when he saw me A say B said C to say D saying 4 It is difficult Susan Chinese well in a week A for learn B for to learn C to for learning D to learn 5 They knew the project couldn t be finished before ten o clock A when B what C that D how 6 Li Lei stopped his homework for he had to finish it by five o clock A does B do C to do D doing 7 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 改否定句 2 You have to wear light colored clothes 改否定句 3 You have to follow the traffic rules when you are riding 就划线部分提问 4 You need to pay attention to traffic lights when you are crossing the street 就划线部分提 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 Gavin s house because it was very late 就划线部分提问 7 He could drive a car before he left school 改否定句 以上答案请同学们见名师面授 以上答案请同学们见名师面授 模拟试题模拟试题 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 from 2 We weren t able to get tickets the movie A of B for C with D at 3 He lives close his school A to B in C at D with 4 She couldn t use her bike a few days after that A in B from C of D for 5 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 while 6 Look to your right and then left before you the street A across B past C cross D walk 7 He was not able to come last night his illness A because B because of C so D of 8 She couldn t see very well because it A was raining B is raining C rains D rained 9 He ride a bicycle when he was only six years old A can B is able to C could D was able to 10 I saw him the street with a young girl just now A to walk across B walking across C walking cross D across II 用所给单词的适当形式填空 1 Is it easy for you find your way around in a ne