外研八下现在完成时课件.pptx

1、基本句型锁定你基本句型锁定你 讲师：讲师：SeraSera1234影响性基本构成标志词持续性现在完成时现在完成时 第一部分现在完成时的影响性01He is full.He has had a big breakfast.表示过去发生的某一动作对现在造成的影响或结果。表示过去发生的某一动作对现在造成的影响或结果。havehas+动词过去分词（done）助动词：havehashavehas动词过去分词变化规则：规则动词规则动词：规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同。不规则动词：不规则动词：A-A-A型 A-A-B 型 A-B-B型A-B-A型 A-B-C型 2.现在完成时的

2、动词形式一般动词一般动词在词尾直接加在词尾直接加“ed”“ed”work-worked-workedvisit-visited-visited以以“e”“e”结结尾的动词尾的动词在词尾加在词尾加“d”“d”live-lived-lived 以以“辅音字母辅音字母 +y”+y”结尾的结尾的动词动词将将 y y 变为变为 i i，再，再加加“ed”“ed”study-studied-studiedcry-cried-cried重读闭音节结重读闭音节结尾尾,末尾只有末尾只有一个辅音字母，一个辅音字母，先双写该辅音字母，再加先双写该辅音字母，再加“ed”“ed”stop-stopped-stopped

3、drop-dropped-dropped动词过去分词的规则变化规律动词过去分词的规则变化规律读一读，想一想读一读，想一想1 like_-_2 go_-_3 bring _-_4 play_-_5 shop_-_6 see_-_写出下列动词的过去式及过去分词写出下列动词的过去式及过去分词7 hit_-_8 eat_-_9 become_-_10 meet_-_11 do_-_12 try_-_liked likedwent gonebrought brought played played shopped shoppedsaw seentried triedhit hitate eatenbec

4、ame becomemet metdid done 第二部分现在完成时的基本句型02现在完成时的基本句型肯定句：肯定句：主语主语+have/has+过去分词过去分词+其他其他.I have already finished my homework.否定句：否定句：主语主语+have/has+not+have/has+not+过去分词过去分词+其他其他.I havent finished my homework yet.一般疑问句：一般疑问句：Have/Has+Have/Has+主语主语+过去分词过去分词+其他其他.Have you finished your homework yet?简略答语

5、简略答语:Yes,Yes,主语主语+have/has.(+have/has.(肯定肯定)No,No,主语主语+havent/hasnt.(+havent/hasnt.(否定否定)Yes,I have./No,I havent.yet already 注意：注意：already 用于肯定句，用于肯定句，yet 用于疑问句和否定句中用于疑问句和否定句中1.She has already told us the news.(改否定句)_2.The rain has already stopped.(改一般疑问句)_3.I have waited here for two hours.(划线提问)_4

6、.He has lived in ShangHai for two years.(划线提问)_5.They have bought a new car,_ _?(反义疑问句)按要求改写句子按要求改写句子She hasnt told us the news yet.Has the rain stopped yet?How long have you waited here?Where has he lived for two years?havent they Yun nanhave gone to（去而未归）homeYun nanhave been to（去而已归）homehave been

7、in northeast of China for 3 days.在东北呆了三天。homeHarbinhave been tohas gone tohas been in注意：1.去而已归 2.常与never/ever/次数连用 He _ to Shanghai twice.去而未归 -Hello,this is Lily speaking.Could I speak to Mr.Li?-Sorry,He _ England.1.强调延续 2.常与for/since 连用 He _ Shanghai for 10 years.has been has gone has been has bee

8、nhas gone tohas been in+地点副词（here,there）典典 型型 例例 题题1.Mr.Brown _ _ _ Shanghai for 3 days.2.Mary _ _ _ _ the Great Wall.(never)3.Where is Tom?He _ _ _ the book shop.4.They _ _ _ that village several times.5.Mike and his parents _ _ _ the north for half a year.have been inhave been to have gone tohas b

9、een inhas never been tohas gone tohave been tohave been inhave been in 常与for 连用have been in 常与for 连用去而未归与次数连用 have been to按所给词翻译下列句子 1.你已经找到你的书了吗?(find-found)2.他们在这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)Have you found your book yet?They have built m

10、any buildings in this city.Judy hasnt arrived yet.Have you had breakfast?She has just left.1.I _(wait)for him for two hours.I am very angry.2.Myfather_already_(come)backfromwork.Heistirednow.3.No one _(arrive)here yet.4.I _(not talk)to him yet.5.A：_ your brother _ his homework yet?(finish)B:Yes,he s already done it.用所给动词的适当形式用所给动词的适当形式填空填空has come have waitedhas arrivedhavent talked Has finished