资源简介 中小学教育资源及组卷应用平台现在完成时一.动词的基本形式变化表类别 构成方法 例词原形 没有任何形式变化的动词 do,dance,leave第三人称单数 一般在动词原形后直接加-s work→ 1 read→ 2以s,o,x,sh,ch结尾的动词,后加-es go→ 3 wash→ 4以辅音字母加y结尾的动词,应将y改为i再加-es fly→ 5 study→ 6过去式与过去分词 一般在动词原形后直接加-ed work→ 7 stay→ 8以e结尾的动词后只加-d close→ 9 like→ 10以辅音字母加y结尾的动词,应将y改为i再加-ed study→ 11 carry→ 12以重读闭音节结尾且末尾只有一个辅音字母的动词,双写此辅音字母再加-ed stop→ 13 plan→ 14现在分词/动名词 一般在动词原形后直接加-ing sleep→ 15 wait→ 16以不发音的e结尾的动词,去e再加-ing smile→ 17 move→ 18以重读闭音节结尾且末尾只有一个辅音字母的动词,双写此辅音字母再加-ing sit→ 19 dig→ 20 plan→ 21少数以ie结尾的动词,变ie为y,再加-ing die→ 22 lie→ 23 tie→ 24练习(一)写出下列不规则动词的过去式和过去分词25.do— — 26.feel— —27.hear— — 28.smell— —29.spend— —(二)完成下列表格动词原形 过去式 过去分词 动词原形 过去式 过去分词pay 30 31 drive 32 33swim 34 35 leave 36 37draw 38 39 stop 40 41show 42 43 wear 44 45take 46 47 bring 48 49二.现在完成时1. 概念现在完成时 (Present Perfect Tense) 用于表示过去发生的动作或状态对现在造成的影响或结果,或者表示从过去持续到现在的动作或状态。2.基本结构现在完成时的基本结构是:主语+have/has +have:用于主语是 ___________ 或复数名词时。has:用于主语是 ______ 或单数名词时。3.用法归纳(1) 表示过去发生的动作对现在造成的影响或结果强调动作的结果或影响,而不是动作发生的时间。He his keys. (他丢了钥匙。——现在他找不到钥匙了。)I the room. (我已经打扫了房间。——现在房间很干净。)(2) 表示从过去持续到现在的动作或状态,常与表示一段时间的状语连用,如 for, since, how long 等。She here for five years. (她已经在这里工作五年了。)We each other since 2010. (我们从2010年就认识了。)(3) 表示过去的经历,强调经历,常与ever, never, once, twice 等词连用,说明过去是否有过某种经历以及经历的次数。Have you ever been to Japan (你去过日本吗?)I have never seen such a beautiful place. (我从未见过这么美的地方。)现在完成时的肯定句常与副词 ____________ 连用;疑问句和否定句常与 ___________ 连用;yet常置于 ________ ;already、never、ever、just一般置于 ________________ 。5.ever和never的用法。(1)ever是副词,“曾经”,表示曾经做过某事,用于完成时的 中,置于过去分词前,have或has之后。如:That’s the best movie I’ve ever seen! 那是我看过的最棒的电影!never是副词,“从来不;一点也不”,表示从未做过某事,用于完成时的 ,置于过去分词前,have或has之后。如:I have never been there.我从未到过那里。6.一般过去时与现在完成时的区别时态 现在完成时 一般过去时含义 表示过去发生的动作对现在造成的影响,或过去的动作或状态持续到现在,强调的是现在的情况 表示过去发生的动作或存在的状态,与现在无关。时间状语 ever、never、just、already、yet、since、in the past/last few years、recently、so far等 yesterday、last year、in 1990、just now 等表示过去的时间状语7.have been to与have gone to的区别(1) have (has) been to “曾经去过某地”,表示现在已经不在那里了,可与just, ever, never等连用。have (has) been to后面可接次数,表示去过某地几次。have (has) gone to“到某地去了”,表示到了某地或正在去某地的途中。说话时该人不在现场.8.读Grammar Focus的句子,观察探究,小组合作体会总结how long、since、for特点。典型例句:①A: How long have you lived here 你们在这里住了多长时间了?B: Since2005. 自2005年以来。②A: How long has he been a soldier 他参军多长时间了?B: For three years. 三年了。◎归纳:询问“多长时间”的疑问词用 ,意为“ ”,是对一段时间或物体的长度进行提问。在现在完成时中,常对“since…”或“for…”进行提问。(注意谓语动词必须是延续性动词,如遇到非延续性动词,则要换成对应的延续性动词)9.探究since、for在现在完成时态中的用法。典型例句①My uncle has worked here for ten years.②My uncle has worked here since ten years ago.③My uncle has worked here since 2006.④My uncle has worked here since he came here.⑤My uncle has been in this company for one month.◎归纳:在现在完成时态中:(l)for表示时间的持续,后接一段时间,指某个动作或情况到现在为止持续了多久。(2)since意为 ,作为连词,引导一个时间状语从句。指某个动作或情况从过去某一时间一直持续到现在。它有三种用法:①since+ +ago;②since+ ;③since+从句,since引导的时间状语从句用一般过去时(3)for和since二者在句中可以转换。for+一段时间=since+过去的时间点.10.常用的短暂性动词及与之对应的延续性动词之间的转换:borrow→keep finish→be over buy→marry/get marry→ leave→be away(from)close→be closed join→be in/be a member ofopen→be open begin/start→be on fall ill/asleep→be ill/asleepleave→ return→三、单项选择54.I won’t see the film Promise again because I ________ it already.A.has seen B.saw C.have seen D.will see55.—Look! The light is still on in our teacher’s office.—Maybe she ________ her work yet.A.doesn’t finish B.didn’t finish C.hasn’t finished D.won’t finish56.Recently, there _______ a lot of discussion about climate change and its effects on the planet.A.is B.will be C.was D.has been57.—_________ you decided which story to read —No, I _________.A.Did; didn’t B.Have; didn’t C.Have; haven’t D.Did; haven’t58.The number of blue whales ________ sharply in the past 10 years.A.is dropping B.dropped C.drops D.has dropped59.—How long ________ his uncle ________ a teacher —Since ten years ago.A.has; been B.has; become C.will; become D.did; become60.I ________ here since I was born in Starlight Town.A.lived B.have lived C.am living D.had lived61.The old man ________ here since he ________ to China.A.lives, comes B.lives, come C.has lived, came D.lived, came62.When I got to the cinema, the film ________ for five minutes.A.began B.had begunC.has been on D.had been on四、完成句子63.He (not promise) to help protect the river yet.64.They already (clean) the classroom.65. you (read) today’s newspaper yet 66.I (find) my lost keys. I can open the door now.67.Tim has already gone to England. (改为否定句)Tim to England .68.Her cousins have left there. (改为一般疑问句)her cousins there 69.Mom cleaned the room yesterday. (改为现在完成时)Mom the room.70.What is he doing now?(用these days改写句子)What he these days 71.我很想和你一起去那里,但是我还没有完成我的任务。I’d love to go there with you, but I my task .72.汤姆对这个月他在学习英语方面取得的进步很满意。Tom the progress he has made in learning English this month.73.我已经读了很多有趣的书。I already many interesting books.74.到目前为止,Jack还没有去过中国。Up till now, Jack China.75.我已经参加过两次模拟联合国比赛了。I the Model United Nations competition twice already.76.汤姆对这个月他在学习英语方面取得的进步很满意。Tom the progress he has made in learning English this month.77.我很想和你一起去那里,但是我还没有完成我的任务。I’d love to go there with you, but I my task . .五、总结现在完成时的概念:现在完成时表示过去发生的某一动作对现在造成的影响或结果;也可表示某一动作过去已经开始,持续到现在,往往和表示一段时间的状语连用。2. 现在完成时的句式:肯定句:主语+ 76 +过去分词+其他.否定句:主语+ 77 +过去分词+其他.一般疑问句:Have/Has +主语+过去分词+其他 肯定回答:Yes, 主语+ 78 .否定回答:No, 主语+ 79 .3. 现在完成时的用法及标志(1)表示过去某一时刻开始并一直持续到现在的动作或状态。适用于延续性动词,标志性时间状语为since+点时间,for+段时间。如:I have learned French since 1995.从1995年起我就学法语了。(2)表示过去发生或已经完成的动作对现在造成的影响或结果。适用于短暂性动词,时间状语already常用于 80 ,yet用于 81 和 82 。如:We’ve already had breakfast at the hotel.我们已经在酒店吃过早餐了。Have they studied art yet 他们学过美术了吗?No, you can’t go. I haven’t got it done yet.不,你不能走。我还没做完。答案第1页,共2页答案第1页,共2页中小学教育资源及组卷应用平台中小学教育资源及组卷应用平台现在完成时一.动词的基本形式变化表类别 构成方法 例词原形 没有任何形式变化的动词 do,dance,leave第三人称单数 一般在动词原形后直接加-s work→ 1 read→ 2以s,o,x,sh,ch结尾的动词,后加-es go→ 3 wash→ 4以辅音字母加y结尾的动词,应将y改为i再加-es fly→ 5 study→ 6过去式与过去分词 一般在动词原形后直接加-ed work→ 7 stay→ 8以e结尾的动词后只加-d close→ 9 like→ 10以辅音字母加y结尾的动词,应将y改为i再加-ed study→ 11 carry→ 12以重读闭音节结尾且末尾只有一个辅音字母的动词,双写此辅音字母再加-ed stop→ 13 plan→ 14现在分词/动名词 一般在动词原形后直接加-ing sleep→ 15 wait→ 16以不发音的e结尾的动词,去e再加-ing smile→ 17 move→ 18以重读闭音节结尾且末尾只有一个辅音字母的动词,双写此辅音字母再加-ing sit→ 19 dig→ 20 plan→ 21少数以ie结尾的动词,变ie为y,再加-ing die→ 22 lie→ 23 tie→ 24答案:1.works 2.reads 3.goes 4.washes 5.flies 6.studies 7.worked 8.stayed 9.closed 10.liked 11.studied 12.carried 13.stopped 14.planned 15.sleeping 16.waiting 17.smiling 18.moving 19.sitting 20.digging 21.planning 22.dying 23.lying 24.tying练习(一)写出下列不规则动词的过去式和过去分词25.do— — 26.feel— —27.hear— — 28.smell— —29.spend— —答案:25. did done 26. felt felt 27. heard heard28 smelt/smelled smelt/smelled 29 spent spent(二)完成下列表格动词原形 过去式 过去分词 动词原形 过去式 过去分词pay 30 31 drive 32 33swim 34 35 leave 36 37draw 38 39 stop 40 41show 42 43 wear 44 45take 46 47 bring 48 49答案:30.paid 31.paid 32.drove 33.driven 34.swam 35.swum 36.left 37.left 38.drew 39.drawn 40.stopped 41.stopped 42.showed 43.shown 44.wore 45.worn 46.took 47.taken 48.brought 49.brought二.现在完成时1. 概念现在完成时 (Present Perfect Tense) 用于表示过去发生的动作或状态对现在造成的影响或结果,或者表示从过去持续到现在的动作或状态。2.基本结构现在完成时的基本结构是:主语+have/has +have:用于主语是 ___________ 或复数名词时。has:用于主语是 ______ 或单数名词时。答案:2. 过去分词 I, you, we, they he, she, it3.用法归纳(1) 表示过去发生的动作对现在造成的影响或结果强调动作的结果或影响,而不是动作发生的时间。He his keys. (他丢了钥匙。——现在他找不到钥匙了。)I the room. (我已经打扫了房间。——现在房间很干净。)(2) 表示从过去持续到现在的动作或状态,常与表示一段时间的状语连用,如 for, since, how long 等。She here for five years. (她已经在这里工作五年了。)We each other since 2010. (我们从2010年就认识了。)(3) 表示过去的经历,强调经历,常与ever, never, once, twice 等词连用,说明过去是否有过某种经历以及经历的次数。Have you ever been to Japan (你去过日本吗?)I have never seen such a beautiful place. (我从未见过这么美的地方。)答案3. has lost have cleaned has worked have known现在完成时的肯定句常与副词 ____________ 连用;疑问句和否定句常与 ___________ 连用;yet常置于 ________ ;already、never、ever、just一般置于 ________________ 。答案4 .already、just ever、yet、never 句末 助动词have/has之后,过去分词之前5.ever和never的用法。(1)ever是副词,“曾经”,表示曾经做过某事,用于完成时的 中,置于过去分词前,have或has之后。如:That’s the best movie I’ve ever seen! 那是我看过的最棒的电影!never是副词,“从来不;一点也不”,表示从未做过某事,用于完成时的 ,置于过去分词前,have或has之后。如:I have never been there.我从未到过那里。答案:5.肯定句和疑问句 否定句6.一般过去时与现在完成时的区别时态 现在完成时 一般过去时含义 表示过去发生的动作对现在造成的影响,或过去的动作或状态持续到现在,强调的是现在的情况 表示过去发生的动作或存在的状态,与现在无关。时间状语 ever、never、just、already、yet、since、in the past/last few years、recently、so far等 yesterday、last year、in 1990、just now 等表示过去的时间状语7.have been to与have gone to的区别(1) have (has) been to “曾经去过某地”,表示现在已经不在那里了,可与just, ever, never等连用。have (has) been to后面可接次数,表示去过某地几次。have (has) gone to“到某地去了”,表示到了某地或正在去某地的途中。说话时该人不在现场.8.读Grammar Focus的句子,观察探究,小组合作体会总结how long、since、for特点。典型例句:①A: How long have you lived here 你们在这里住了多长时间了?B: Since2005. 自2005年以来。②A: How long has he been a soldier 他参军多长时间了?B: For three years. 三年了。◎归纳:询问“多长时间”的疑问词用 ,意为“ ”,是对一段时间或物体的长度进行提问。在现在完成时中,常对“since…”或“for…”进行提问。(注意谓语动词必须是延续性动词,如遇到非延续性动词,则要换成对应的延续性动词)答案: how long 多长9.探究since、for在现在完成时态中的用法。典型例句①My uncle has worked here for ten years.②My uncle has worked here since ten years ago.③My uncle has worked here since 2006.④My uncle has worked here since he came here.⑤My uncle has been in this company for one month.◎归纳:在现在完成时态中:(l)for表示时间的持续,后接一段时间,指某个动作或情况到现在为止持续了多久。(2)since意为 ,作为连词,引导一个时间状语从句。指某个动作或情况从过去某一时间一直持续到现在。它有三种用法:①since+ +ago;②since+ ;③since+从句,since引导的时间状语从句用一般过去时(3)for和since二者在句中可以转换。for+一段时间=since+过去的时间点.10.常用的短暂性动词及与之对应的延续性动词之间的转换:borrow→keep finish→be over buy→marry/get marry→ leave→be away(from)close→be closed join→be in/be a member ofopen→be open begin/start→be on fall ill/asleep→be ill/asleepleave→ return→答案: 自从 时间点 时间段have be married be away from be back三、单项选择54.I won’t see the film Promise again because I ________ it already.A.has seen B.saw C.have seen D.will see55.—Look! The light is still on in our teacher’s office.—Maybe she ________ her work yet.A.doesn’t finish B.didn’t finish C.hasn’t finished D.won’t finish56.Recently, there _______ a lot of discussion about climate change and its effects on the planet.A.is B.will be C.was D.has been57.—_________ you decided which story to read —No, I _________.A.Did; didn’t B.Have; didn’t C.Have; haven’t D.Did; haven’t58.The number of blue whales ________ sharply in the past 10 years.A.is dropping B.dropped C.drops D.has dropped59.—How long ________ his uncle ________ a teacher —Since ten years ago.A.has; been B.has; become C.will; become D.did; become60.I ________ here since I was born in Starlight Town.A.lived B.have lived C.am living D.had lived61.The old man ________ here since he ________ to China.A.lives, comes B.lives, come C.has lived, came D.lived, came62.When I got to the cinema, the film ________ for five minutes.A.began B.had begunC.has been on D.had been on四、完成句子63.He (not promise) to help protect the river yet.64.They already (clean) the classroom.65. you (read) today’s newspaper yet 66.I (find) my lost keys. I can open the door now.67.Tim has already gone to England. (改为否定句)Tim to England .68.Her cousins have left there. (改为一般疑问句)her cousins there 69.Mom cleaned the room yesterday. (改为现在完成时)Mom the room.70.What is he doing now?(用these days改写句子)What he these days 71.我很想和你一起去那里,但是我还没有完成我的任务。I’d love to go there with you, but I my task .72.汤姆对这个月他在学习英语方面取得的进步很满意。Tom the progress he has made in learning English this month.73.我已经读了很多有趣的书。I already many interesting books.74.到目前为止,Jack还没有去过中国。Up till now, Jack China.75.我已经参加过两次模拟联合国比赛了。I the Model United Nations competition twice already.答案:63.hasn’t promised 64. have cleanedHave read 66.have found67. hasn't gone yet 68. Have left 69. has cleaned 70. has been doing71. haven’t finished yet 72.is satisfied with73. have read 74. hasn’t been to75. have taken part in五、总结现在完成时的概念:现在完成时表示过去发生的某一动作对现在造成的影响或结果;也可表示某一动作过去已经开始,持续到现在,往往和表示一段时间的状语连用。2. 现在完成时的句式:肯定句:主语+ 76 +过去分词+其他.否定句:主语+ 77 +过去分词+其他.一般疑问句:Have/Has +主语+过去分词+其他 肯定回答:Yes, 主语+ 78 .否定回答:No, 主语+ 79 .3. 现在完成时的用法及标志(1)表示过去某一时刻开始并一直持续到现在的动作或状态。适用于延续性动词,标志性时间状语为since+点时间,for+段时间。如:I have learned French since 1995.从1995年起我就学法语了。(2)表示过去发生或已经完成的动作对现在造成的影响或结果。适用于短暂性动词,时间状语already常用于 80 ,yet用于 81 和 82 。如:We’ve already had breakfast at the hotel.我们已经在酒店吃过早餐了。Have they studied art yet 他们学过美术了吗?No, you can’t go. I haven’t got it done yet.不,你不能走。我还没做完。答案:have/has haven’t/hasn’thave/has haven’t/hasn’t肯定句 疑问句 否定句答案第1页,共2页答案第1页,共2页 展开更多...... 收起↑ 资源列表 八年级上册现在完成时.doc 八年级上册现在完成时(答案).docx