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1、现在完成时(一)考点大观考点大观易错辨析易错辨析通关训练通关训练现在完成时结构肯定句：主语+have/has+过去分词+.否定句:主语+havent(have not)+过去分词 主语+hasnt(has not)+过去分词.疑问句:Have/Has+主语+过去分词.?I havent finished my homework.Have you finished your homework?I have finished my homework.结构考点大观考点大观易错辨析易错辨析通关训练通关训练现在完成时三大用法用法用法11)表示到现在为止已经完成或刚刚完成的动作。By now,I have
2、 collected all the data I need.Now we have planted all the trees.考点大观考点大观易错辨析易错辨析通关训练通关训练现在完成时三大用法用法用法22)表示过去发生的动作,强调结果或对现在的影响。Someone has broken the window.I have just cleaned my hands.(窗户现在是坏的)(手是干净的)考点大观考点大观易错辨析易错辨析通关训练通关训练现在完成时三大用法用法用法33)表示从过去开始并持续到现在的动作或状态。She has learned English for 5 years.He
3、 has lived in Beijing since he was born.考点大观考点大观易错辨析易错辨析通关训练通关训练过去式、过去分词(1)一般动词，在词尾直接加“ed”。work-worked-worked (2)以“e”结尾的动词，只在词尾加“d”。live-lived-lived(3)以“辅音字母+y”结尾的动词，将“y”变为“i”，再加“ed”。study-studied-studied (4)重读闭音节结尾，末尾只有一个辅音字母，先 双写该辅音字母，再加“ed”。drop-dropped-dropped 规则变化规则变化考点大观考点大观易错辨析易错辨析通关训练通关训练过去式
4、、过去分词不规则变化不规则变化A.过去分词与过去式形式一样havehadhad spend spentspent makemademade saysaidsaid findfoundfound hearheardheard meetmetmet leaveleftleft考点大观考点大观易错辨析易错辨析通关训练通关训练过去式、过去分词不规则变化不规则变化B.过去分词与过去式形式不一样taketooktaken speak spokespoken singsangsung drivedrovedriven bewas/werebeen gowentgone 考点大观考点大观易错辨析易错辨析通关训
5、练通关训练过去式、过去分词不规则变化不规则变化C.过去分词、过去式与动词原形一样cutcutcutput putput letletletreadreadread 考点大观考点大观易错辨析易错辨析通关训练通关训练易错点2012started learning English2015learning3 yearshave learned EnglishI started learning English in 2012.I am learning English these days.I have learned English for 3 years.（一般过去时）（现在进行时）（现在完成时）
6、现在完成时VS一般过去时考点大观考点大观易错辨析易错辨析通关训练通关训练易错点现在完成时/一般过去时用法不同现在完成时一般过去时用法1：表示到现在为止已经完成的动作。用法1：表示过去某时发生的动作。用法2：表示动作发生在过去，对现在造成影响。用法2：表示过去存在的某种状态。用法3：表示动作开始于过去，一直持续到现在，并有可能继续持续下去。用法3：表示过去经常性发生的动作或状态。考点大观考点大观易错辨析易错辨析通关训练通关训练易错点现在完成时/一般过去时用法不同I saw this film yesterday.I have seen this film.（一般过去时：强调动作）（现在完成时：强
7、调影响）已经知道内容考点大观考点大观易错辨析易错辨析通关训练通关训练易错点现在完成时/一般过去时结构不同现在完成时一般过去时肯定句：主语+have/has+过去分词+.肯定句：主语+过去式+.主语+was/were+表语.否定句:主语+havent(have not)+过去分词+.主语+hasnt(has not)+过去分词+.否定句：主语+did not(didnt)+动词原形+was/were not（wasnt/werent)+表语.疑问句:Have/Has+主语+过去分词.?疑问句：Did+主语+动词原形+?Was/Were+主语+表语?考点大观考点大观易错辨析易错辨析通关训练通关训练
8、易错点现在完成时经典例句：I have been to Australia before.I havent been to Australia before.Have you been to Australia before?现在完成时/一般过去时结构不同考点大观考点大观易错辨析易错辨析通关训练通关训练易错点现在完成时/一般过去时结构不同一般过去时经典例句：My father flew to Australia yesterday.My father didnt fly to Australia yesterday.Did you father fly to Australia yesterd
9、ay?考点大观考点大观易错辨析易错辨析通关训练通关训练易错点现在完成时/一般过去时标志词不同现在完成时一般过去时副词作标志词：just,already,yet过去时间点：just now,at that time,yesterday,this morning,three years agosince+时间点/(时间段+ago)/一般过去时句子for+时间段过去时间段：in the past,in+过去的年份,last week,once upon a time等表示次数的时间状语：once,twice,three times,ever,never特殊结构：used to+动词原形（过去常常）考
10、点大观考点大观易错辨析易错辨析通关训练通关训练易错点现在完成时/一般过去时标志词不同She returned yesterday.There was a temple in the past.He has been in New York for many years.Have you ever been to Beijing？（一般过去时）（现在完成时）考点大观考点大观易错辨析易错辨析通关训练通关训练解析解析【典例1】He _ in this factory for 20 years already.A.will work B.works C.has worked D.is working考
11、查时态。already为现在完成时标志词,且 for+时间段表明对现在的“影响”，故选用现在完成时结构have/has done。考点大观考点大观易错辨析易错辨析通关训练通关训练解析解析【典例2】Is Richard still living here?No,he _ to Paris already.A.had moved B.moved C.will move D.has moved 考查时态。No说明Richard不在此处，且already为完成时标志词，选用现在完成时结构have/has done。考点大观考点大观易错辨析易错辨析通关训练通关训练解析解析【典例3】Julies father _ to London last month.He _ there three times.A.went,had gone B.has gone,has been C.went,has been D.has been,had gone考查时态。last month为一般过去时标志词，选用went；three times表明去伦敦的“结果”“影响”，选用现在完成时。此课件下载可自行编辑修改，仅供参考！此课件下载可自行编辑修改，仅供参考！感谢您的支持，我们努力做得更好！谢谢感谢您的支持，我们努力做得更好！谢谢