鲁教版五四制8上英语Unit6_语法专项课件（现在完成时1）

这是一份鲁教版五四制8上英语Unit6_语法专项课件（现在完成时1），共20页。

Unit6语法专项课件（现在完成时1）初中英语鲁教版八年级上册现在完成时结构肯定句：主语 + have/ has + 过去分词+...否定句:主语+haven’t ( have not) +过去分词… 主语+hasn’t ( has not ) +过去分词...疑问句:Have / Has+主语+过去分词...?I haven’t finished my homework. Have you finished your homework? I have finished my homework. 现在完成时三大用法用法11) 表示到现在为止已经完成或刚刚完成的动作。By now, I have collected all the data I need.Now we have planted all the trees.现在完成时三大用法用法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)现在完成时三大用法用法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 has lived in Beijing since he was born .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 规则变化过去式、过去分词不规则变化A.过去分词与过去式形式一样have—had—had spend —spent—spent make—made—made say—said—said find—found—found hear—heard—heard meet—met—met leave—left—left过去式、过去分词不规则变化B.过去分词与过去式形式不一样take—took—taken speak —spoke—spoken sing—sang—sung drive—drove—driven be—was/were—been go—went—gone 过去式、过去分词不规则变化C.过去分词、过去式与动词原形一样cut—cut—cutput —put—put let—let—letread—read—read 易错点I 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）现在完成时VS一般过去时易错点现在完成时/一般过去时用法不同易错点现在完成时/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：强调影响）已经知道内容易错点现在完成时/一般过去时结构不同易错点现在完成时经典例句：I have been to Australia before.I haven’t been to Australia before.Have you been to Australia before?现在完成时/一般过去时结构不同易错点现在完成时/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 didn’t fly to Australia yesterday.Did you father fly to Australia yesterday?易错点现在完成时/一般过去时标志词不同易错点现在完成时/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）【典例1】He _______ in this factory for 20 years already. A. will work B. works C. has worked D. is working考查时态。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。【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。【典例3】Julie’s 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“结果”“影响”，选用现在完成时。