人教版九年级Unit 13 We're trying to save the earth!-Section B 3a—3b Self check-ppt课件-(含教案+视频+素材)-公开课-(编号：266be).zip

现在完成时现在完成时 Review of Tenses 一般过去时一般过去时 一般现在时一般现在时 一般将来时一般将来时 现在进行时现在进行时 过去进行时过去进行时 现在完成时现在完成时 过去完成时过去完成时 过去将来时过去将来时 一般时态一般时态 进行时态进行时态 完成时态完成时态 初中英语常见八种时态初中英语常见八种时态 一般现在时一般现在时 一般现在时的意义：一般现在时的意义： 1.表示表示经常性或习惯性反复发生经常性或习惯性反复发生的动作的动作 或或存在的状态存在的状态。 (1) I play basketball every day. 2.表示表示客观事实或真理客观事实或真理。 (2) The moon moves around the sun. Light travels faster than the sound. 结构：主语结构：主语+动词原形动词原形/三单形式三单形式+其他其他. 一般现在时常用的标志词：一般现在时常用的标志词： 1.every day / week / month / year 2.usually Often sometimes never 3.Once a week twice a month A:辅音字母辅音字母 +y ies B: 词尾词尾+sC: 元音字元音字 母母+y+ s D: 以以s, x, ch, sh, o 结尾结尾+es carry carries try tries sing sings listen listens stay stays enjoy enjoys catch catches mix mixes miss misses go goes do does push pushes pass passes Read and sort 记一记吧记一记吧！ 1. I _ an apple every day. (陈述 ） 2. He _ basketball every day. Time to eat and play I _ an apple every day. (否定 ） _ you _ an apple every day?（疑问 ） He _ basketball every day. _ he _ basketball every day? 变为否定句：变为否定句： 加加dont 或或 doesnt 变为疑问句：变为疑问句： 加加do 或或 does eat dont eat Do eat plays doesnt play Does play 1. She go to the hospital to see my friend. 2. Tommy doesnt lives with his uncle. 3. When are you often go shopping? 4. The baby dont know how to say the word Cookie”. 5. We havent lessons at weekends. 6. I am love you. goes live do doesnt dont have Mistake-correcting 一般过去时一般过去时 一般过去时的意义：一般过去时的意义： 表示表示过去某个时间发生过去某个时间发生的动作或存的动作或存 在的状态。在的状态。 (1) I went to the zoo yesterday. (2) I was in Shanghai last year. 结构：主语结构：主语+动词过去式动词过去式+其他其他. 一般过去时常用的标志词有：一般过去时常用的标志词有： 1.yesterday ,the day before yesterday, 2.last week / month / year 3.just now 4.two days ago 规则动词过去式的构成 构成规则原 形过 去 式 work play worked played hope live hoped lived stop trip stopped tripped study worry studied worried 一般在动词原形末 尾 加-ed 结尾是e的动词加-d 末尾只有一个辅音字 母的重读闭音节词， 先双写这个辅音字母， 再加-ed 结尾是“辅音字母+y” 的动词,先变“y”为“i” 再加-ed 1. look2. live3. stop 4. carry5. hope6. trip 7. call8. finish9. want 10.are11.go12.have e 16.say17.see18.put 19.eat20.take21.read Chang the words into the simple past forms 1. look looked2. live lived3. stop stopped 4. carry carried5. hope hoped6. trip tripped 7. call called8. finish finished9. want wanted 10.are were11.go went12.have had 13.do did14.get e came 16.say said 17.see saw18.put put 19.eat ate20.take took21.read read Chang the words into the simple past forms Key dodiddodid sellsoldsellsold Practise the verbs like the given model: take come find break cut put throw be read cost singbuy hear teach thre w taught san g cut came cost read broke found heardtook put bought was/were 记一记吧记一记吧！ 1. I _ an apple yesterday. 2. He _ basketball yesterday. Time to eat and play I _ an apple yesterday. _ you _ an apple yesterday? He _ basketball yesterday. _ he _ basketball yesterday? 变为否定句：动词前加变为否定句：动词前加didnt , 动词用原形动词用原形 变为疑问句：变为疑问句： 句前加句前加did , 动词用原形动词用原形 ate didnt eat Did eat played didnt play Did play 一般过去时态练习一般过去时态练习 用动词的过去式填空用动词的过去式填空 1. you _(remember) to buy the oranges? 2.Who (invent) the computer? 3.We (go) to the cinema last night. The film (be) very good. 4.What time you (get) to school this morning? 5.Jim (do) a lot yesterday. He (go) shopping and (cook) supper. Did remember went was didget didwent cooked invented 一般将来时一般将来时 一般将来时的用法：一般将来时的用法： 1.表示表示将要发生的将要发生的的动作或存在的状态。的动作或存在的状态。 (2) I am going to be a basketball player. 2.表示表示计划或者打算要做的事计划或者打算要做的事。 (1) I will study hard in future. 主语主语+be going to + 动词原形动词原形+其他其他. 主语主语+will / shall + 动词原形动词原形+其他其他. 一般将来时常用的标志词有：一般将来时常用的标志词有： 1.tomorrow, the day after tomorrow 2.next week / month / year 3.in短语短语: in three minutes 4.soon, right away, at once 记一记吧记一记吧！ 1. I _ an apple tomorrow. 2. He _ basketball tomorrow. Time to eat and play I _ an apple tomorrow. _ you _ an apple tomorrow? He _ basketball tomorrow. _ he _ basketball tomorrow? Will/shall 结构结构 be going to 结构结构 变为否定句变为否定句 ： 变为疑问句变为疑问句 ： will/shall 后加后加not will/shall提句首提句首 am/is/are后加后加not am/is/are提前提前 will eat wont eat Will eat is going to play isnt going to play Is going to 1. Mary _ some washing this evening. A. is doing B. will do C. did D. has done 2. My cousin _ me a new watch next week. A. buys B. bought C.will buy D. is buying 3. Im sure our friend _ us with our work if they have time. A.will help B. have helped C.help D. are helping Choose the best answer B C A 4. We hope that Liu Xiang _ the first prize at the Olympic Games soon. A. to win B. will win C. gets D. is going to got 5. There is going to _ a party in our class. A. have B. is C. has D. be 6. My sister has decided that she _ harder next term. A. study B. studied C. is studying D. is going to study Choose the best answer B D D 7.His uncle _ for Hong Kong next week. A. will go B. is leaving C. is going D. left 8.He _ early tomorrow afternoon. A. is go there B. will come here C. goes there D. is come there 9.The students _ a picnic in two days if it is fine. A. are going to be B. are going to have C. are having D. had Choose the best answer B B B 现在进行时现在进行时 现在进行时的意义：现在进行时的意义： 表示现在正在进行或发生的动作表示现在正在进行或发生的动作 (1) Im doing my homework. (2) Listen,she is playing the piano. (3) Look,he is playing ping-pong. 结构：主语结构：主语+am/is/are +现在分词（现在分词（v-ing）+其其 他他. 直接在动词原形后面加直接在动词原形后面加-ing。 如：如： read read cook cook talk talk 以以e e结尾的动词把结尾的动词把e e去掉去掉, ,加加-ing。 如：如：write writ make mak close clos 以一个辅音字母辅音字母加一个元音字母结尾的重读闭音节单词元音字母结尾的重读闭音节单词, ,要双写最后双写最后 一个辅音字母一个辅音字母再加- -ing。 如：如：run run cut cut swim swim inginging inginging eee ningtingming 现在分词的构成现在分词的构成 work_ play_ dance_ cut_ put_ see_ come_ buy_ working playing dancing cuttin g putting seeing coming buying Have a competition 现在进行时常用的标志词有：现在进行时常用的标志词有： now look listen 记一记吧记一记吧！ 1. I _ an apple now. 2. He _ basketball now. Time to eat and play I _ an apple now. _ you _ an apple now? He _ basketball now. _ he _ basketball now? 变为否定句：变为否定句： am is are 后加后加 not 变为疑问句：变为疑问句： am is are 提到句首提到句首 am eating am not eating Are eating is playing isnt playing Is playing Choose the best answers 1. What are you doing? I_ A. eat B. can eat C. eating D. am eating 2. Our teacher is _a red sweater . A. putting on B. put on C. wearing D. wear 3. That boy isnt _the teacher . A. listen B. listens C. listening D. listening to D C D Exercise 4.Its eight oclock. Jims family _TV. A. is watching B. are watching C. watch D. to watch 5.My mother is _a cake _my birthday. A. making ,to B. making ,for C. doing ,to D. doing ,for 6._you _the window?Yes, I am. A. Do, clean B. Is, cleaning C. Are, cleaning D. Do, cleaning B B C 1.Look! The cat_(run)up the tree. 2.The twins_(have)breakfast. 3.-_he _(clean) the blackboard? -No,he isnt. 4.Tom_(play)the piano in the room.Please ask him to come here. 5.Listen! They_(sing)in the classroom. is running are having Is cleaning is playing are singing Fill in the blank 6. Its 6 oclock in the morning . They _ ( have) their breakfast. 7. My father is over there. He _ (clean) his car . 8. -Can I speak to Mr Smith ? -Im afraid not(恐怕不行恐怕不行). He_ (have) a meeting at the moment. 9. Look! Some students _ (run) there. 10. What _the boys and girls _(do) there? are having is cleaning is having are running are doing 过去进行时过去进行时 过去进行时的用法：过去进行时的用法： 表示表示过去某个时间正在发生过去某个时间正在发生的动作的动作 或存在的状态。或存在的状态。 1.I was doing my homewrok at this time yesterday. 2. She was sleeping at 9 oclock yesterday. 结构结构: 主语主语+ was /were+现在分词现在分词(v-ing)+其他其他. 过去进行时常用的标志词过去进行时常用的标志词 1at this time yesterday at that time 2. at 9 oclock last night from 7:00 to 9:00 yesterday 1. I _ an apple at 9:00 yesterday. 2. He _ basketball at that time Time to eat and play I _ an apple at 9:00 yesterday. _ you _ an apple at 9:00 yesterday? He _ basketball at that time. _ he _ basketball at that time 变为否定句：变为否定句： was/were 后加后加 not 变为疑问句：变为疑问句： was/were 提到句首提到句首 was eating wasnt eating Were eating was playing wasnt playing Was playing 现在完成时现在完成时 现在完成时的用法：现在完成时的用法： 表示过去发生或已经完成的动作，表示过去发生或已经完成的动作， 对现在所造成的影响或产生的结果。对现在所造成的影响或产生的结果。 1.I have eaten breakfast already. 2. She has gone to Beijing for two weeks. 结构结构: 主语主语+have/has+ 动词的过去分词动词的过去分词+其他其他. move live love like 写出下列动词的过去式和过去分词写出下列动词的过去式和过去分词: visit repair watch finish visited visited repaired repaired watched watched finished finished moved moved lived lived loved loved liked liked verbed 以以e结尾结尾d 写出下列动词的过去式和过去分写出下列动词的过去式和过去分 词词: stop plan stopped stopped planned planned 注注:以一个辅音字母结尾的重读闭音节词以一个辅音字母结尾的重读闭音节词, 双写最后一个辅音字母双写最后一个辅音字母ed 双写双写ed study carry studied studied carried carried 去去yied 注注:以辅音字母加以辅音字母加y结尾的词结尾的词,去去yied. 写出下列动词的过去式和过去分词写出下列动词的过去式和过去分词: be give see make put come write was/were been gave given saw seen made made put put came come wrote written have been 与have gone 的用法比较 have been to 意思是意思是“到过，去过到过，去过”，表，表 示示曾经到过某处曾经到过某处，但现在人不在那儿。，但现在人不在那儿。 have gone to 意思是意思是“去了去了”，表示，表示已经已经 去了去了某地，现在人可能在去的途中或已某地，现在人可能在去的途中或已 在那儿了。在那儿了。 have been in 意思是意思是“呆在某处一段时呆在某处一段时 间了间了” 上一页下一页主菜单 和和现在现在完成完成时连用的时间状语时连用的时间状语 Meani ng Example already已经已经I have already done my homework. yet还（未）还（未）I have not finished my homework yet. never从不，从从不，从 没没 I have never read this story. ever曾经曾经Have you ever watched this film? recently最近最近We have not seen Nancy recently. just刚刚刚刚He has just seen Nancy. for+时间段时间段时间时间She learned English for nine years. since+时间时间 点点 自从自从 I have not eaten anything since 9 a.m. in the past 在过去的在过去的 He has changed a lot in the past three years. 常见终止性动词与延续性动词的对应关系如下常见终止性动词与延续性动词的对应关系如下 open-be open die-be dead close-be closed become-be borrow-keep begin/start-be on put on-wear , be on leave-be away (from) buy-have sleep /fall asleep-be asleep end/finish-be over catch a cold-have a cold come backbe back get up-be up come/go/arrive/get/reach/move-be in/at join the army-be in the army/ be a soldier join the Party-be in the Party /be a Party member go out -be out go to bed - be in bed Read and remember 1.We havent seen each other _ a long time. 2.His father has been in the Party_10 years ago. 3.The film has been on _ 20 minutes. 4.Mr Green has worked here _ he came to China. 5.His grandparents have been dead _ several years. 6. Its five years _ we met last time. forfor sincesince forfor sincesince forfor sincesince Fill in the blanks with for or since 记一记吧记一记吧！ 1. I _ an apple since he left. 2. He _ basketball for two years. Time to eat and play I _ an apple since he left. _ you _ an apple since he left? He _ basketball for two years. _ he _ basketball for two years? 变为否定句：变为否定句： have/has 后加后加 not 变为疑问句：变为疑问句：have/has 提到句首提到句首 have eaten havent eaten Have eaten has played hasnt played Has played ( )1. They _ the park yesterday. A. went to B. has been to C. has gone to. ( )2. _ you _ your lunch yet ? A. Have, had B. Did, have C. Do have ( )3. The boy _ my bike for ten days. I want to get it back now. A. has borrowed B. has kept C. borrowed ( )4. -What a nice bike! How long _you _it. -Just two weeks . A. have , had B. did , buy C. have , bought ( )5. So far we _ about two thousand English words. A. have learnt B. learnt C. are learning A A A B A Choose the best answer ( )6. Where is Kobe ? -He _to the teachers office . A. has been B. went C. has gone ( )7. -Do you know John well ? -Yes . He and I _ friends since we met in Tokyo. A. have been B. have made C.have become ( )8. It is ten years _he joined the League . A. before B. since C. when ( )9. The twins can speak good Chinese because they _China for 6 years. A. have been to B. have come to C. have been in ( )10.Uncle Wang _ in factory since it opened in 1989. A. works B. worked C. has worked C A B C C ( )11. _have you lived in Beijing ? A. How soon B. How often C. How much D. How long ( )12. Hes _back home since 3 days ago. A. come B. got C. been D. get ( )13. He never has lunch at home , _he ? A. hasnt B. has C. doesnt D. Does ( ) 14. -Where is Tom? I cant find him anywhere. -He _ to Shanghai. A. went B. goes C. has gone D. will go ( ) 15.I _ him since we _children. A. knew , were B. have known, were C. know , are D. have known, are ( ) 16. -_has the movie _ ? - since twenty-five minutes ago. A. How soon, begun B. How long, begun C. How soon, been on D. How long, been on D C D C B D 过去完成时过去完成时 过去完成时的用法：过去完成时的用法： 表示过去某一时间或动作之前已经发表示过去某一时间或动作之前已经发 生或完成的动作。生或完成的动作。 它表示动作的发生时间是它表示动作的发生时间是“过去的过过去的过 去去”。 By the time I got outside, the bus had already left. When I got to school, the bell had rung. 结构结构: 主语主语+had+ 过去分词过去分词+其他其他. 过去完成时常用的标志词过去完成时常用的标志词 1when/before+一般过去时或过去的时间一般过去时或过去的时间 2. by,by the time,by the end of+一般过去一般过去 时或过去的时间时或过去的时间 记一记吧记一记吧！ 1. I _ an apple when the bell rang. 2. They _ basketball by the time I came. Time to eat and play I _ an apple when the bell rang. _ you _ an apple when the bell rang? They _ basketball by the time I came _ they _ basketball by the time I came? 变为否定句：变为否定句： had 后加后加 not 变为疑问句：变为疑问句： had 提句首提句首 had eaten hadnt eaten Had eaten had played hadnt played Had played 过去将来时过去将来时 过去将来时的意义：过去将来时的意义： 过去将来时表示从过去某个时间看将过去将来时表示从过去某个时间看将 要发生的动作或存在的状态要发生的动作或存在的状态。过去将来时过去将来时 常用在宾语从句中。常用在宾语从句中。 I told him that I would see him off at the station. He said they were going to have a meeting. 结构结构: (1) would +动词原形动词原形 (2) was /were going to +动词原形动词原形 1. I _ an apple. 2. He _ basketball Time to eat and play I _ an apple _ you _ an apple? He _ basketball _ he _ basketball? wouldnt Would eat was going to play would eat wasnt going to play Was going to play would was/were going to 变为否定句变为否定句 ： 变为疑问句变为疑问句 ： would后加后加not would提句首提句首 Was/were后加后加not Was/were 提句首提句首 English is easy. Please give yourself a smile every day! 一般过去时一般过去时 一般现在时一般现在时 一般将来时一般将来时 现在进行时现在进行时 过去进行时过去进行时 现在完成时现在完成时 过去完成时过去完成时 过去将来时过去将来时 Sum up 时态结构时态结构 主语主语+动词过去式动词过去式+其他其他. 主语主语+动词原形动词原形/三单形式三单形式+其他其他 主语主语+will/shall+动词原形动词原形+其他其他 主语主语+am/is/are +现在分词现在分词+其他其他 主语主语+was/were+现在分词现在分词+其他其他 主语主语+have/has+过去分词过去分词+其他其他 主语主语+had+过去分词过去分词+其他其他 主语主语+would +动词原形动词原形+其他其他 1.He often _( go ) to school by bike . 2._you usually _( get ) up at seven in the morning ? 3.The twins _ _ ( listen ) to the old man now . 4. My parents _ _( fly ) to Shanghai the day after tomorrow. 5The students _ _(climb ) the hill in two weeks . Exercises goes Doget arelistening willfly will climb 6.My parents _ _( fly ) to Shanghai the day after tomorrow. 7. I _ ( go ) to Shanghai in 1994. 8. I _ already _ ( finish ) my homework . 9. By the time we got there , the bus _ already _( go ) . 10.What _ you _(do) at this time yesterday. Exercises willfly went havefinished had gone weredoing Thank you ! 1. 一般现在时用法： （1） 表示经常发生、反复进行的动作。常用的时间状语有： often，usually，everyday，sometimes 等。 （2） 表示客观真理。 （3） 表示特征、状态和能力。如：Its big. （4）在时间状语和条件状语从句中，主句用将来时，从句用一 般现在时。 2.现在进行时用法： （1） 表示此时此刻或现阶段正在发生的动作，常用的时间状 语有：now，today，this week 等。 （2） 表示一个在最近按计划或安排要发生的动作，常用的动 词有：go，come，leave，start，arrive，return 等。 3.一般过去时用法： 表示过去某个时间发生的动作或存在的状态。常用的时间状 语有：yesterday，last week，four days ago，in l968 等。如： My mother worked here in l968. 4.过去进行时用法： 表示在过去某一时刻或某一段时间正在进行的动作。如： He was doing his homework at that time yesterday. 5.现在完成时用法： （1） 表示过去发生的某一动作对现在造成的影响和结果，常 用的时间状语有：already，yet，never，just 等。 （2） 表示过去已经开始，延续到现在的动作和状态，往往和 表示一段时间的时间状语连用。常用的有：for two weeks，since l968 等。 （3） 英语中有些动词的动作是不能延续的，这些动词的现在 完成时不能和表示一段时间的时间状语连用。这类动词有： join，buy，go，come，become，leave，give