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1、一般现在时复习教案新站镇中学闫志一）引入；Have you ever read Little Woman?I havent read it yet.But I have had the book for ten years. And I have kept it on my bookshelfsince ten years ago.二、现在完成时的构成：1）陈述句；主语 + have/has + 动词过去分词.I have finished my homework.2）疑问句；Have/Has + 主语 + 动词过去分词？Have you finished your homework?）否定句
2、：主语 + have/has + not + 动词过去分词。I havent read it yet.三、现在完成时的用法1)过去发生或已经完成的某一动作对现在造成的影响或结果。2)现在完成时表示从过去一直持续到现在的动作或状态。四、现在完成时常与一些词、词组连用:1、ever（曾）、never（未曾）、already（已经）、yet（仍、还）、just（刚刚）、before（以前)2、for +一段时间3. in the past/last一段时间4. since +过去某一个时间句子already, yet, ever, never, just的用法Already肯定句，强调已经的意,放句
3、中或句末.I have already finished my homework.= I have finished my homework already.yet否定句、问句，表示还没，没有的意思,放句末He hasnt finished his homework yet.Has he finished his homework yet?ever问句，表示曾经的意思Has John ever been to Zhuhai?never含否定意思的肯定句，表示从没的意思He has never been to China.just肯定句，表示刚刚的意思I have just come back
4、from China.五、一般过去时与现在完成时之比较1）一般过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作，和现在不发生关系。而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，强调的是现在的情况。2）一般过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。一般过去时的时间状语有：yesterday, last week，ago, in1980, in October, just now,等具体的时间状语。 共同的时间状语有：this morning, tonight, this summer, before, already,等。 现在完成时
5、的时间状语有：for, since, ever, never, just, already, yet等不确定的时间状语。请大家认真分析比较下列各例句：I saw this film yesterday. （只说明动作发生在过去。） I have seen this film. （强调对现在的影响，电影的内容已经知道了。） She has returned from Paris.（她已从巴黎回来了。）She returned yesterday. （她是昨天回来的。）He has been in the League for three years. (在团内的状态可延续)He joined t
6、he League three years ago.( 三年前入团，joined为短暂行为。) 注意：句子中如有一般过去时的时间副词（如 yesterday, last week, in 1960）时，不能使用现在完成时，要用过去时。例如：（错）Tom has written a letter to his parents last night.（对）Tom wrote a letter to his parents last night. 六、 过去分词的变化规则、 一般情况：、 以字母结尾的：、 以辅以字母+y的、 以重读闭音节结尾，并且末尾只有一个辅以字母的：、 不规则动词变化 eat-
7、 see- read- keep- have- be-leave- make- go- meet- come- write-tell- buy- find- build- 七、练习：用所给动词的适当形式填空1.I _(wait) for him for two hours . I am very angry .2.He _ (be) a doctor since he was twenty .3.The film _ (be) on for fifteen minutes . 4._ you ever _ (read) that book before ?5._ you ever _ (try
8、) to change her ?6. No one _ (arrive) here yet .7._ the bus _ (leave) yet ?8.I _ (not talk) to him yet .9.I_already_(see)thefilm.I_(see)itlastweek.10.Look!Themonkey_(climb)thetree.11.Myfather_just_(come)backfromwork.Heistirednow.12.Thestudents_(read)Englishwhentheteachercamein.13.I_(work)heresinceI_
9、(move)herein1999.14.SofarI_(make)quiteafewfriendshere.15.Howlong_theWangs_(stay)here?Fortwoweeks.16.I_just_(finish)myhomework.17.He_(go)toschoolonfooteveryday.18._you_(find)yoursciencebookyet?按要求改变句子。1. She has done her homework. (改否定句)2. She has already told us the news. (改否定句)3. The rain has alrea
10、dy stopped. (改一般疑问句)4. I have waited here for two hours. (划线提问)5.He has lived in ShangHai since he left Beijing. (划线提问)6. She has learned French since 2014. (同义句) She has learned French _ 2 years. She has learned French _ 2 years _. Translate the following sentences.1、你已经找到你的书了吗? (find-found)2、 他们在这
11、个城市建了许多房子. (build-built)3、Judy还没到达. (arrive-arrived)4、你吃过早饭了吗? (have-had)5、 她刚刚离开. (leave-left)1）We have visited the museum. (改为一般疑问句)2)They have seen the film. (改为否定句)3)He has returned the book. (对划线部分提问)4)Jenny has had her lunch for three days. (改为一般疑问句并做否定回答)七、 小结：回顾一下本节课的重点内容。1、现在完成时的结构是什么？2、动词变为过去分词的规则有几条？3.现在完成时的用法是什么？4.本节课中我们涉及到了哪 些与现在完成时连用的时间状语及副词。
