2022年人教版初中英语各时态定义及变化规则及练习 .pdf
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1、一、一般现在时:1.概念:经常、反复发生的动作或行为及现在的某种状况。2 时间状语: always,usually,often,sometimes,every week(day,year,month.),once a week,on Sundays, 3.基本结构:动词原形(如主语为第三人称单数,动词上要加(e)S)4.否定形式: am/is/are+not;此时态的谓语动词若为行为动词,则在其前加dont, 如主语为第三人称单数,则用doesn t,通常还原行为动词。一般疑问句:把 be动词放于句首;用助动词do 提问,如主语为第三人称单数,则用does,同时,还原行为动词。6.例句: It
2、 seldom snows here. He is always ready to help others. Actions peaks louder than words. 二、一般过去时:1.概念:过去某个时间里发生的动作或状态;过去习惯性、 经常性的动作、 行为。2.时间状语: yesterday及相关短语; last相关短语;一段时间 +ago;in+过去的时间点3.基本结构: be动词;行为动词4.否定形式: was/were+not;在行为动词前加 didnt,同时还原行为动词。5.一般疑问句: was 或 were 放于句首;用助动词do 的过去式 did 提问,同时还原行为动词
3、。6.例句: She often came to help us in those days. I didnt know you were so busy. 过去式的构成规则:a.规则变化1.+ed 2.以 e结尾 +d 3.辅音字母 +y 结尾,把 y-i+ed 4.重读闭音节结尾且只有一个辅音字母,双写该辅音字母+ed b. 不规则动词见不规则动词变化表三、现在进行时:名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页,共 6 页 - - - - - - - - - 1.概念
4、:表示现阶段或说话时正在进行的动作及行为。2.时间状语: now,at this time,these days,etc 句子前面有 look,listen 等词时 . 3.基本结构: am/is/are+doing 4.否定形式: am/is/are+not+doing. 5.一般疑问句:把be动词放于句首。6.例句: How are you feeling today? He is doing well in his lessons 7.下列动词通常不用进行时态a.系动词: sound,feel,seem等b.表情感的动词: hate,love,wish,refuse等c.表从属占有的动词
5、: have,own,belong等d.表理解或记忆的动词: forget,know, believe,understand 等e.表位置的动词: come,go,arrive,leave等现在分词的构成规则:1.+ing 2.不发音的 e结尾,去 e+ing 3.重读闭音节结尾且只有一个辅音字母,双写该辅音字母+ing 4.以 ie 结尾,把 ie-y+ing 四、过去进行时:1.概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作。2.时间状语:at this time yesterday,at that time或以 when 引导的谓语动词是一般过去时的时间状语等。3.基本结构:
6、 was/were+doing 4.否定形式: was/were+not+doing. 5.一般疑问句:把was或 were放于句首。6.例句: At that time she was working in a PLA unit. When he came in,I was reading a newspaper. 现在分词的构成规则:1.+ing 2.不发音的 e结尾,去 e+ing 3.重读闭音节结尾且只有一个辅音字母,双写该辅音字母+ing 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - -
7、 - - 第 2 页,共 6 页 - - - - - - - - - 4.以 ie 结尾,把 ie-y+ing 五、现在完成时:1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。2.时间状语:recently,lately,since+ 时间点,for+一段时间 ,in the past few years,since+一段时间+ago等。3.基本结构: have/has+done 4.否定形式: have/has+not+done. 5.一般疑问句: have或 has提前6.例句: Ive written an article. It ha
8、s been raining these days. 过去分词的构成规则a.规则变化1.+ed 2.以 e结尾 +d 3.辅音字母 +y 结尾,把 y-i+ed 4.重读闭音节结尾且只有一个辅音字母,双写该辅音字母+ed b. 不规则动词见不规则动词变化表六、一般将来时:1.概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。2.时间状语: tomorrow 及相关短语; next 及相关短语 ;in+一段时间 /将来的时间点等3.基本结构: am/is/are/going to+do ;will/shall+do. 4.否定形式: was/were+not;在行为动词前加 wont
9、,同时还原行为动词。5.一般疑问句: be放于句首; will/shall 提到句首。6.例句: They are going to have a competition with us in studies. It is going to rain. 动词时态自测练习题名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页,共 6 页 - - - - - - - - - ( )1.I will tell him as soon as he _ back A. come B. com
10、es C. will come D. came ( )2. Mary _ on shoes when she _ them. A. tries buys B. tries buies C. trys buys D. trys buies ( )3. The girl often _ cold when she _. A. catch dances B. catches dances C. catchs dances D. catches dance ( )4. _ he _ himself there? No, I dont think so. A. Do enjoy B. Does enjo
11、ies C. Does enjoys D. Does enjoy ( )5. -_ your teacher _ from them very often? -Certainly. A. Do hear B. Does hear C. Do receive D. receive ( )6. _ your mother _ some cleaning on Sundays? A. Does does B. Do does C. Does do D. Do do ( )7. -_ Tom _to work hard to help his family ? -Yes, he _. A. Has x
12、 does B. Has xdoes C. Does hashas D. Does have does ( )8. Which teacher _ lessons to you every day ? A. does gives B. does give C. do give D. gives ( )9. Smith does not go fishing on weekdays, _? _ , he does. A. does he No B. does he Yes C. doesnt he No D. doesnt he Yes ( )10.Mr Black often _ fishin
13、g on Sundays, _ he ? A. goes doesnt B. goes isnt C. doesnt gogoes D. doesnt go is ( )11.He usually _ TV on Sunday evening. A. watch B. watches C. watching D. is watching ( )12. Well go to play with snow if it _ tomorrow. A. snow B. snows C. will snow D. snowed ( )13. Neither I nor he _ French. A. sp
14、eak B. doesnt speak C. speaks D. doesnt speak ( )14. Nobody _ how to run(操纵 ) this machine. A . know B. have known C. knows D. is knowing ( )15. The Young Pioneer _ water for the old man every day. A. carry B. bring C. takes D. carries ( )16. Some are _ in the river and some are _ games. A. swimming
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