初中英语八大时态课件.ppt
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1、初中英语八大时态初中英语八大时态Review of TensesReview of Tenses1、The Simple Present Tense 一般现在时态 教学重、难点教学重、难点一般现在时一般现在时n表示经常发生的动作或存在的状态表示经常发生的动作或存在的状态 n常与常与every day , on Sundays, sometimes , often ,usually ,always,等连用等连用n结构结构 : 1、主语、主语+动词原形动词原形+其他其他nEg. n I have a meeting on Sundays .n They visit their parents on
2、ce a month.注注: 主语(三单)+ 动词(第三人称单数形式)+其他 Eg.1)She likes it very much.2)She usually goes to school at 7 oclock every morning. 动词第三人称单数形式 在动词后+s在以s,x,ch,sh,o结尾的动词+es以辅音字母+y结尾的动词, 先变y 为i,再加es 特殊 have-has 等 helpguessflymake leavefixswimknow playclosegostudygetread bring watch写出下列动词的第三人称单数形式carry do washvi
3、sit exercise enjoy jump havesiesessessssessiesssshasesssesssesiess一般现在时否定式 be + not dont do / doesnt do1.Be 动词的否定式动词的否定式: be + notI am a teacher. You are a workerShe is a doctorWe are friends.Im not a teacherYou arent a workerShe isnt a doctor.We arent friends.is not=isntare not=arent 否定句2.当主语是单数第三人
4、称时,当主语是单数第三人称时,它与助动词它与助动词Does有关,但是有关,但是动词谓语一定要恢复为动词谓语一定要恢复为原形原形。当主语是其他人称时,它与当主语是其他人称时,它与助动词助动词Do有关。有关。I like English.She likes it very much.We go to work by bike.I dont like English.She doesnt like it very much.We dont go to work by bike.否定句概念:用概念:用 yes 或或 no 来回答的疑问句叫做一般疑问句。来回答的疑问句叫做一般疑问句。一般疑问句句首的第一
5、个词一般读得比较重。一般疑问句句首的第一个词一般读得比较重。III一般疑问句一般疑问句1.对于对于be 动词,疑问句要求把动词,疑问句要求把be 提前,提前,第一人称变成第二人称。第一人称变成第二人称。疑疑问问句句I am a teacher.Are you a teacher?You are a worker.Are you a worker?He is a student.Is he a student?We are friends.Are you friends?2.对于实意动词,疑问句要求是:当主对于实意动词,疑问句要求是:当主语是他语是他(he),她,她(she),它,它(it)时,
6、句子前时,句子前面加面加does,并把动词恢复原形;当主语,并把动词恢复原形;当主语是其他人称时,句前加是其他人称时,句前加do ,第一人称,第一人称(I/we) 换第二人称换第二人称(you)。I often go there.You like the music.He goes to work by bus .We /You/They like it.Do you often go there ?Do you like the music.?Does he go to work by bus ?Do you/they like it?1.He has a meeting on Sunday
7、s .2.He goes to school at seven in the morning .3.My father and mother go out for lunch on Sundays.4.We do our homework after school. 把下列句子改为一般疑问句把下列句子改为一般疑问句Does he have a meeting on Sundays ?Does he go to school at seven in the morning?Do your father and mother go out for lunch on Sundays ?Do you
8、do your homework after school ?exercise把下列句子改为否定句1.My father has an egg for breakfast .2.Li Lei does his homework after school.3.We do our homework at home.4.They have a meeting every morning .My father doesnt have an egg for breakfast .Li Lei doesnt do his homework after school.We dont do our homew
9、ork at home .They dont have a meeting every morning .1.We often _ (play) in the playground.2. He _ (get) up at six oclock.3. _ you _ (brush) your teeth every morning? 4.What _ he usually_ (do) after school?5.Danny_ (study) English, Chinese, Maths, Science and Art at school.6.Mike sometimes _(go) to
10、the park with his sister.7.She _ (watch) TV with his parents every evening.8._ Mike _(read) English every day? 用所给动词的正确形式及助动词填空playgetsDo brushdoes dostudiesgoeswatchesDoes read 2、一般过去时一般过去时The Simple Present Tense教学重、难点教学重、难点一般过去时一般过去时指动作发生在一般过去时指动作发生在过去过去有时候会有例如有时候会有例如yesterday, last year等表等表示示 过去
11、时间的标志过去时间的标志一般过去时主要要注意一般过去时主要要注意动词动词的变化的变化be动词和实意动词动词和实意动词含有be动词的一般过去式nShe is in Beijing.nShe was in Beijing .nI am a student.nI was a student.nWe are friends.nWe were friends. 含有含有be动词的一般现在时变一般过去时动词的一般现在时变一般过去时,把把is和和am改成改成was,把把are改成改成were练习练习:1. She is a teacher. She _a teacher.2. They are from J
12、apan. They _ from Japan.3. I am very tired. I _ very tired.4. He is too young to go to school. He _too young to go to school. 5. You are late for school. You _late for school. waswerewaswaswere不含不含be动词的一般过去时动词的一般过去时 不含不含be动词的句子改写成一般过去时,动词的句子改写成一般过去时,把句子中的把句子中的动词动词改为改为过去式过去式形式。通常有形式。通常有五种写法。五种写法。I wo
13、rk in this city.I worked in this city last year.They live in Shanghai .They lived in Shanghai last year.动词过去式的写法:动词过去式的写法:一般情况,一般情况,在动词末尾在动词末尾加加ed动词以动词以e结尾的,直接在词尾加结尾的,直接在词尾加d3、 辅音加辅音加y结尾,变结尾,变y为为i加加ed I study in Beijing. I studied in Beijing .Study,copyCry ,fly 4、重读闭音节结尾,重读闭音节结尾,双写词尾字母加双写词尾字母加ed she
14、 stops. she stopped.5 、特殊、特殊 I go to school by bike every day. I went to school by bike yesterday.例如:例如:have/hashad, go-went, eat-ate, say-said thinkthought, come-came不规则动词练习nI think you are right.nI thought you were right.nShe eats an apple every week.nShe ate an apple an hour ago.3、一般将来时一般将来时The F
15、uture Simple Tense 教学重、难点教学重、难点一般将来时一般将来时相对于讲话时间相对于讲话时间将要发生将要发生的动作或情的动作或情况况2.时间状语时间状语(判断标准):(判断标准):ntomorrow 明天明天nnext week 下周下周nthe day after tomorrow 后天后天nsoon 不久不久nin the future 在将来在将来nin+一段时间一段时间 多久之后才多久之后才. The Future Simple Tense 1.will+动词原形动词原形 (I /we shall)2.be going to+动词原形动词原形3.be+v-ing4.一
16、般现在时表将来一般现在时表将来结构结构1.will/shallv原形原形表示一个将来的动作或状态,表示一个将来的动作或状态,“要要,会会”Eg. 1) She will go to the park tomorrow. 2) I will return home as soon as I finish my task.2、be going to + v原形原形表示打算做某事表示打算做某事表示现在已经有迹象表明将要发生某事。表示现在已经有迹象表明将要发生某事。- What _do this evening?- I am going to do my lessons. 看那些乌云要下雨了看那些乌云
17、要下雨了. Loot at the dark clouds. It _rain. is going toare you going ton3. be +v-ing go, come, leave, start, arrive, stay, fly, land, take off等等动词动词可用可用现在进行时现在进行时表示表示安排安排和计划或即将发生和计划或即将发生的动作的动作。n我们明天动身去青岛我们明天动身去青岛.nWere leaving for Qingdao. 6.表示与表示与生日生日,日历日历,课时安排或交通时刻表课时安排或交通时刻表有关的有关的动作动作(一种规律一种规律) ,用,用
18、一般现在时一般现在时表示将来时态表示将来时态n 常用于转移动词如常用于转移动词如: ( begin, come , leave, go, arrive, start, stop, return, open, close )Eg. 1、The evening class begins at 19:00. 2、The train starts at two.If 条件句条件句中,动词用中,动词用一般现在时一般现在时表表将来。将来。nIf we hurry, we may catch the bus.如果我们快点的话,我们也许会赶上公交车 If it rains tomorrow, the trav
19、el will be canceled.如果明天下雨的话,旅游将取消。1. What are you going to do this afternoon? I am going to the cinema with some friends. The film _quite early, so we _ to the bookstore after that. A. finished; are going B. finished; go C. finishes; are going D. finishes; go Exercise:2. My younger brother _be 15 y
20、ears old next year. A. is going to B. will C. is to D. should 1. The agreement _ come into force next year.2. Im not feeling well, and I _ go to see a doctor.3. If you_ _(dont pass) the exam, you will be criticized by your parents.willwilldont pass5.How _ you _ spend your holiday? Ive decided to rep
21、aint this room. Oh, have you? What colour _ you _ paint it? The weather is so nice and I am going to sit in the garden. Thats a good idea. I _ join you.willaregoing toaregoing to4、现在进行时、现在进行时Review of the Present Continuous Tense教学重、难点:教学重、难点:知识要点:知识要点:一一.现在现在进行进行时的定义时的定义: 现在进行时是表示现现在进行时是表示现在、说话瞬间或当
22、前一直在、说话瞬间或当前一直正在做着的动作正在做着的动作.Eg: 1. Jenny is watching TV now. 2.I am writing.五五.现在进行时的判断:现在进行时的判断:(1)一般句中用到表示一般句中用到表示“在现在在现在”的时间状语,的时间状语,如:如:now, right now, at the moment 或或Its+几点几点钟钟”句型,常判断用现在进行时。句型,常判断用现在进行时。Eg:Lets go fast .Mr. Wu is waiting for us now.Its six oclock.The children are playing bask
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