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1、七年级英语三大时态对比七年级英语三大时态对比 在英语中，用动词的形式的变化来在英语中，用动词的形式的变化来表达表达不同时间不同时间发生的动作或存在的状态发生的动作或存在的状态 ，这就是，这就是时态时态。现在进行时现在进行时一般现在时一般现在时一般过去时一般过去时标志词标志词现在进行时现在进行时 now , Look! Listen! at this time Where is ? Its 8:00 am. 标志词标志词一般现在时一般现在时 always , usually, often, sometimes , every day, three times a day等表达等表达频度的副词常在
2、一般现在时态中使频度的副词常在一般现在时态中使用。用。 标志词标志词一般过去时一般过去时 lastnight，twodaysago，in1999（过去的年份），yesterday，justnow=amomentago刚才，thedaybeforeyesterday判断下列时间状语属于哪种时态判断下列时间状语属于哪种时态last night now every day Look!yesterday often Listen!two years ago always in 1897three times a week一般现在时一般过去时现在进行时变否定句的方法：变否定句的方法：首先看有无首先看有无
3、 be 动词，如果有，在动词，如果有，在be 动词后面加动词后面加not.如：如： He is a teacher. He isnt a teacher.主语主语+dont/doesnt/didnt+动词原形动词原形如：如：She went to Paris yesterday. She didnt go to Paris yesterday如果没有如果没有be 动词，看原句的动词动词，看原句的动词形式来决定借用助动词形式来决定借用助动词do/does/did,并在后面加并在后面加not,并且并且动词要还原。动词要还原。变一般疑问句的方法：变一般疑问句的方法：首先看有无首先看有无be动词，如果
4、有，将动词，如果有，将be提到句首并提到句首并大写大写，句末打，句末打问号问号.如：如： He is a teacher. Is he a teacher？如果没有如果没有be动词，看原句的动词形式来决定借动词，看原句的动词形式来决定借用助动词用助动词do/does/did,并且并且动词要还原动词要还原。动词动词-原形原形动词动词-s/es动词动词-ed+动词原形动词原形?DoDoesDid如：如：She went to Paris. Did she go to Paris？ 对比对比时态时态动词形式动词形式否定句否定句一般问句一般问句现在进现在进行时行时 一般现一般现在时在时一般过一般过去时
5、去时三种句式的对比三种句式的对比be+动词动词-ing(现在分词）现在分词）在在be 后后加上加上not Be提到提到句首句首动词动词 -原形原形动词动词-第三第三人单数人单数在行为动词前借用在行为动词前借用do ,does后加后加not，行为动词还原行为动词还原Do,Does 提提到句首，到句首，行为动词行为动词还原还原动词动词-ed(过去式）过去式）在行为动词前借在行为动词前借用用did后加后加not，行为动词还原行为动词还原Did 提到句提到句首，行为首，行为动词还原动词还原判断时态形式判断时态形式：1.He always likes playing the piano.( )2.We
6、are having an English classes now.( )3.They often go home late.( )4.Lucy danced the disco at the party last night.( )5.I liked go to the zoo when I was young.( )6.My teacher is friendly to us.( )7.Look! They are playing football.( )8.She was born in 1990.( )9.I lost much money last night.（ ）A.现在进行时B
7、.一般现在时C.一般过去时ABCABBCCC1.He is a teacher.2. Kangkang comes from China.3. I usually take the bus to work.4.They are having classes.5.Jane played the guitar last night.Is he a teacher?He isnt a teacher.Does Kangkang come from China?Kangkang doesnt come from China.Do you usually take the bus to work?I d
8、ont usually take the bus to work.Are they having classes?They arent having classes.Did Jane play the guitar last night?Jane didnt play the guitar last night.先先变变一一般般疑疑问问句句再再变变否否定定句句用所给动词的适当形式填空。用所给动词的适当形式填空。1. Listen! She _ ( sing) now.2. The man _ (run) along the street now.3. My mother _(watch) TV
9、 play every day.4. Old Bush _(visit) China again last month. is singing is running watches visited中考链接中考链接1.-What do you do? -Im an engineer.I_in a company in Wuhan. A. work B. had worked C.will work D.worked 2.-Alice,turn down the TV, please.I_ on the phone. -Oh, Im sorry. A. have talked B. talked
10、C. am talking D.talk中考链接中考链接3.Karin found some waste paper on the floor. She _ it _ and threw it into the dustbin. A. put ; up B. picked ; up C. turned ; up D. looked ; up4.Today is Fathers Day. My mother _ a special dinner for my grandpa now. A. prepare B. prepared C. is preparing D. will prepred 中考链接中考链接5.-_ the girls _you a warm welcome? -Yes, they did. A. Did ; give B. Do ; give C. Did ; gave D. Does ; give 6.I usually _ school at 7:30 in the morning and _ home at 5:30 in the afternoon. A. get ; get B. get to ; get to C. get ;get to D. get to ; get结束结束
