初中英语现在完成时课件

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2 She ___h_a_s______ already __f_in_i_s_h_e_d____ (finish) her work. 3 I know nothing the man because I ____h_a_v_e______ never ____h_e_a_r_d_____ (hear) of him. 4 __H_a_v_e_______ you ever _____r_e_a_d_____ (read) the book? 5 How long __h_a_v_e________ you _b__e_e_n________ (be) here? 6 They ___h_a_v_e__w_o_r_k_e_d__ (work) in this city for two years. 7 The teacher __h_a_s_t_a_u_g_h_t_____ (teach) in our school
e.g. 1 I have already had lunch. (表示现在不饿,不用吃了.)
2 Mary has already invited us to her birthday party on Sunday.(对现在的影响:周日就 不能做其他事情了)
3 He has locked the door. (对现在的影响:门是关闭的,打不开)
fvriosimt tao vthiseitstpoactheestsaptaiocne .s(tjautisot)n
2.表示从过去一直持续到现在的动作或状态, (有可能还会持续下去)常与since(自 从),for(达)等连用.
注意:句中谓语动词要用延续性动词)
1 He has been an engineer for 3 years.
stthaetisopna. c(ealsrteaatdioyn). 3.TThheessppaacceeccrraafftthhaassrjeuascthredacMheadrsM. (ajurs.t) 4.WWee’’vvee kanlroewadnythkantotwhnertehiastnt’ht earneyislinf’et
oannythleifme oononth. (eamlroeaodny. ) 5.WWee hhaavvee sjtuasrttestdartoteldootok laotookthaetrotphlaernets.
(pjulasnt)ets. 6.TThheessppaacceesshhuuttttlleehhaassraeltruerandeydrfertoumrnaed
位 yet 常置于句末 置 already, never, ever, just一般置于
助动词have/has之后,过去分词之前。
Put the words in the correct place in each sentence. (Activity 1)
1. They haven’t been to Mars.y(eyte.t) 2. Many astronauts have avlirseitaeddythviesistpeadce
注: 1 has 用于第三人称单数,have 用于其他 所有人称。
2 规则动词的过去分词变化与过去式相同
不规则变化则须单独记忆。
eg:我已经打扫过教室了. 肯:I have cleaned the room .
否: I haven’t cleaned the room
疑问: Have you cleaned the room ?
现在完成时
时态: 1.一般现在时 2. 一般过去时 3. 现在进行时 4. 一般将来时 5.过去进行时 6.现在完成时(三课时)
一 现在完成时的用法
1.表示过去发生的动作(动作已经结束)对现 在的影响或造成的结果. 常与already,before,just,yet, ever,never等连用。
持续到现在的状态
2 They have been in the classroom since 2p.m. 持续到现在的状态
3 I have kept this book for 3 days .
持续到现在的动作
(D) 用since或for填空:
1. I have been at this school ____fo__r ______ more than two years. 2. She has worked in the factory __s_in_c_e______ ten years ago.
3. Mr. Green has lived in the city __s_i_n_c_e______ he was born. 4. His father has been a party member __f_o_r_______ twenty years
二、构成:
肯:助动词have (has) + 动词的过去分词 否:助动词haven’t (hasn’t) + 动词的过去分词 疑问: have (has) +主语+ 动词的过去Baidu Nhomakorabea词
4 My brother has already left for Beijing .
5 They haven’t come back yet.
与现在完成时连用的几个副词:
already, just, ever, yet, never
句 肯定句:already,before,just, ever,never等连用。 式 疑问句和否定句: yet,never
习题
1 他已经回家了。
He has gone home.
2 我们已经吃过午饭了。
We have had lunch .
3 我的父亲已经动身去日本了。
My father has left for Japan .
同步训练
(A) 用所给动词的适当形式填空:
1 I __h_a_v_e________ just __h__a_d_________ (have) my lunch.
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