中考时态总复习课件.ppt
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1、时态时态一、定义:一、定义: 在英语中,在英语中, 发生的发生的动作要用不同的动词形式来表动作要用不同的动词形式来表 示,这每一种不同的形式就叫做时态。示,这每一种不同的形式就叫做时态。不同时间不同时间一般现在时一般过去时现在进行时过去进行时现在完成时一般将来时二、时态的种类:初中常见的时态的种类:初中常见的6种时态种时态Exercise Who _(dance) best in your class?2. Students usually _(have) ten minutes rest between two classes. danceshave概念概念: 常用时间状语常用时间状语 :构
2、成形式构成形式 : 1.一般现在时态一般现在时态( The Simple Present Tense)表示经常发生的或习惯性的动作或表示经常发生的或习惯性的动作或状态。状态。 1.be 2.v.原形原形 3.v.-s/es(第三人称单数第三人称单数)every day, always, usually, often, sometimes, on Sundays, three times a day , etc2.动词第三人称单数的变化规则动词第三人称单数的变化规则一般情况下,在动词原形后加-sruns, likes以 s,x,sh,ch,o 结尾的动词,在词尾加-es teachteaches
3、 washwashes 以辅音字母加y结尾的动词,先将y变为i再加-esstudystudies trytries 不规则变化:have,be 等例如:例如:They have lunch at 12:00. 陈述句陈述句 They dont have lunch at 12:00. 否定句否定句 Do they have lunch at 12:00? 一般疑问句一般疑问句主语是非三单人称主语是非三单人称变否定句变否定句须须在动词前在动词前加加助动词助动词dont; 变一般疑问句变一般疑问句须须在句首在句首加加助动词助动词do。 3.一般现在时一般现在时-句型变化句型变化一般现在时一般现在时
4、-句型变化句型变化 2)三单人称三单人称做主语的做主语的 变否定句变否定句须在须在动词前动词前加助动词加助动词doesnt; 变一般疑问句变一般疑问句须在须在句首句首加助动词加助动词does。 例如:例如:Jenny speaks English very well. 陈述句陈述句Jenny doesnt speak English very well. 否定句否定句Does Jenny speak English very well? 一般疑问句一般疑问句我一到达那儿,就会给你写信。我一到达那儿,就会给你写信。4.一般现在时的注意点一般现在时的注意点:1 、表客观事实或普遍真理、表客观事实或
5、普遍真理The earth _ (go) round the sun .2 、 在在when ,as soon as, until, after, before等到引导的时间状语从句和等到引导的时间状语从句和if 引导引导的条件状语的条件状语从句中从句中, 用一般现在时表示将来用一般现在时表示将来. If it doesnt rain tomorrow, well have a picnic .goes如果明天不下雨,我们将去野餐。如果明天不下雨,我们将去野餐。Ill write to you as soon as I get there .直击中考1. Bob often _ his mot
6、her with the housework on Sundays.help B. helping C. helps2. How is Mike now? -Dont worry. He will call us as soon as he _ the USA.gets B. reaches C. will get3. Ill talk to him when he _.A. comes B. will come C. cameCBAExercise 1.I _(find) my ruler in my desk .found2.We and _(see) lots of birds _(fl
7、y) over the trees.flyingsawfive minutes agolooked up概念概念: 常用时间状语常用时间状语 :构成形式构成形式 : 2. 一般过去时态一般过去时态(The Simple Past Tense)表示过去某个时间发生的动表示过去某个时间发生的动 作或存在的状态作或存在的状态V+edyesterday, just now, last , this morning, ago, etc2.动词过去式的规则变化动词过去式的规则变化一般情况下,在动词原形后加-edworkworked help-helped以辅音字母加y结尾的动词,先将y变为i再加-edca
8、rrycarriedstudy-studied以e结尾的动词,直接加-dlivelivedlike-liked以重读闭音节结尾且末尾只有一个辅音字母的动词,双写该辅音字母后再加-edstopstoppedplan-planned一般过去时的注意点一般过去时的注意点:1、当没有明显的时间状语时、当没有明显的时间状语时,描描述几个相继发生过的动作述几个相继发生过的动作I always got up too late , washed my face , had a quick breakfast and hurried to school .2、since从句中常用一般过去时从句中常用一般过去时Y
9、ou havent changed much since we last _(meet) .met返回目录返回目录BA 1.Hello, mum. Are you still on Lushan Mountain?Oh, no. We are back home. We _ a really good journey.A. have B. had C. are having2. When _ you _ here? Two days ago.A. did; come B. have; come C. do; comeExercise will beThe radio says that it
10、_(be) sunny tomorrow.概念概念: 常用时间状语常用时间状语 :构成形式构成形式 : 表示将来某个时间要发生的动作或存表示将来某个时间要发生的动作或存在的状态在的状态tomorrow, in three days,this, next, soon, etc. 1. will+do /be2. am/is/are going to+do3. am/is/are + doing 3.一般将来时态一般将来时态(The Simple Future Tense)Look at the dark clouds, it _rain.Tomorrow _ be April Fools Day
11、.一般将来时的注意点一般将来时的注意点:willis going to (2008台州中考台州中考)- Hi , Mary . Where is your father?- Look, He _his car over there. washes B. is washing C. will wash D. has been washedExercise 4. 现在进行时态现在进行时态( The Present Continuous Tense )概念概念: 常用时间状语常用时间状语 :表示现在或现阶段正在发生的动作表示现在或现阶段正在发生的动作构成形式构成形式 : 动词动词-ing形式的构成:
12、形式的构成:writingtakinggettingrunningswimminggoinggoaskwritetakegetrunswimasking现在进行时现在进行时的注意点的注意点: (2008衢州中考衢州中考)- Why didnt you come and open the door for me, dear?- Sorry, Jack. I _ in the kitchen and didnt hear you. was cooking B. am cooking C. wave cooked D. will cookExercise 概念概念: 常用时间状语常用时间状语 :构成
13、形式构成形式 : 5. 过去进行时态过去进行时态(The Past Continuous Tense)表示过去某一时刻或某一时间表示过去某一时刻或某一时间段段正在正在发生的动作。发生的动作。was/were+doingat this time yesterday, from seven to nine last night, at that moment, etcWhen引导的时间状语从句引导的时间状语从句I was reading a book when Jim called. While 引导的时间状语从句引导的时间状语从句The UFO took off while the man wa
14、s taking photos.过去进行时的注意点过去进行时的注意点:在在when , while引导的时间状语从句引导的时间状语从句中中, 表示主从句中两个动作同时发生表示主从句中两个动作同时发生时时, 用过去进行时表示用过去进行时表示 .1. When my father got home, I _ a letter to my friend. (2008宁波中考宁波中考) write B. am writing C. wrote D. was writing2. _Jim was making a paper plane , his brother was doing homework.
15、(对比)对比)While较长的动作较长的动作Exercise 1. He _(finish) writing the book, hasnt he?has finished 2. (2008绍兴中考绍兴中考) - You seem to know much about the city. - Thats true. I _ it three times. A. visited B. had visited C. have visited D. will visitA.概念概念: 构成形式构成形式 : 6. 现在完成时态现在完成时态(The Present Perfect Tense)发生在过去
16、且对现在仍有影响发生在过去且对现在仍有影响 的动作的动作,强调对现在的影响强调对现在的影响.have /has +done1. Can you go to the movies with me tonight?Sorry, I cant. I havent finished my homework yet.2.- I have learned how to make dumplings before. 常用时间状语常用时间状语 :yet, already, just, never, ever, so far, by now, since+时间点,时间点,for+时间段,时间段,recently
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