2014年新目标人教版八年级英语下册语法复习课件----现在完成时
(对划线部分提问)
练习 一、 选用 for和 since填空: for 1. We haven’t seen each other ______ a long time. 2. His father has been in the Party since ______ 10 years ago. for 3. The film has been on ______ 20 minutes. 4. Mr Green has worked here ______ since he came to China. 5. His grandparents have been dead ______ several for years. since we met last time. 6. It’s five years _______
2.不规则变化 am,is was--been are were--been become became— become cut cut-cut do did--done fly flew--flown go went--gone keep kept--kept run ran--run write drive come buy bring take make sit feed wrote--written drove--driven came--come bought--bought brought--brought took--taken made--made sat--sat fed--fed
already 和 yet的用法 already 已经 通常用于肯定句中或句末 yet 已经,还 通常用于疑问句和否定句末 我已经找到了我的尺子。 I have already ______ found my ruler. already . I have found my ruler________ yet 否定句:I haven’t found my ruler______. yet ? 一般疑问句:Have you found your ruler ____
疑 助动词 Have+主语+动词的过去分词…? 问 Has 回答: Yes, 主语+ have/has. No,主语+ haven’t/ hasn’t.
e.g: 1) Have you studied? Yes, I have./No, I haven’t. 2) Has he (she,it) studied? Yes,he(she,it) has./No,he(she,it) hasn’t. 3) Have you (they) studied? Yes, we (they) have. No, we (they) haven’t.
4.自从Lucy来中国以来,她就结交了许多朋友。 since ___ she came to China has made Lucy___ ___ many friends____ ____ ___ ___.
1. 她成为一名护士已经三年了。 2. 我五年前就认识李雷了。
She has been a nurse for three years.
终止性(瞬间)动词是指那些动作一次完成,不能 延续的动词。如:come, go, buy, die, join, begin等. 这些动词的肯定式不能和段时间状语连用。 终止性(瞬间) 动词可以用于现在完成时,但不能 和表示一段时间的状语连用。 如可说“He has left.‖ ―She has come back‖ 但不能说“He has left for three years.‖ ―She has come back for two days‖ 如果要表达: 1) 他已走了三年了. 2) 她已经回来两天了 可用以下几种表达法:
2) 用现在完成时连词成句 I, finish, homework I have finished my homework. I haven’t finished my homework.
Have you finished your homework? Yes, I have. / No, I haven’t.
since you came to China since you got home since 1980 have lived They __________in Beijing____________. 他们自1980年就一直住在北京。 We’ve known each othersince _____we were ______children. 我们从小就认识。
注意: for 和since 所引导的时间状语都表示一段 时间.有时可进行转换。 对它们提问都用短语: How long 如:
1. He has lived here since 2004. (同义句) for ten He has lived here ____ ___ years ______. He has lived here___ ____ ____ _____. since ten years ago How long _____ ____has he lived here? 2. I have studied English for 3 years. since 3 years ago I have studied English___ ____ ____ _____. __ ___have you studied English? How long
I have known Lilei since five years ago.
3. 那些相片我已经寄给他了。(post)
I have already posted the photos to him.
4. 我来到这个学校后,他就一直教我。
He has taught me since I came to the school.
2. 常用时间状语
汉语中常用“已经”、“过”、“了”等表达,通 常与表示包括现在在内的时间副词 just,already, before, yet, never, ever ,so far, recently等状语连用。 例如:
① I have never heard of that before. ② Have you ever ridden a horse? ③ She has already finished the work. ④ Have you milked the cow yet? Yes, I have done that already. ⑤ I’ve just lost my math book.
eg:
for two years have studied I ____________English______________. 我学英语已经两年了。
2) since +
since + since last week, since 3 years ago since nine, since 2008 …
现在完成时的主要用法 (二) 表示过去某一时间已经开始、持续到现在 (也许还会继续进行下去)动作或状态,常 和表示一段时间状语,如since+过去的时间 点…, for+时间段等连用。 (注意:句中谓语动词要用延续性动词)
一段时间的表达方法有两种: for a year 1) for + 一段时间 for two weeks for three years
5. 我刚丢了我的历史书。来自I have just lost my history book.
三、延续性动词和终止性(瞬间)动词
英语的行为动词大体可以分为两大类型:一是 延续性的动词,二是终止性(瞬间)动词。 延续性动词是指那些动作意义不会一下完成, 而是可以延续、发展的动词。如:work, read, write, study等。 这些动词的完成时可以和一段时间状语连用。 eg: I have studied for two hours.
1. 用含ago等过去时间状语的一般过去时。 1) He left here three years ago. 2) She came back two days ago. 2. “It is +一段时间+since +一般过去时从句 ” 1) It is three years since he left here. 2) It is two days since he came back. 3.一段时间+has passed + since + 一般过去时从句 1) Three years has passed since he left here. 2) Two days has passed since she came back. 以上三种表示方法适用于所有瞬间动词。
(2)动词的过去分词:规则变化与不规则变化 1.规则变化与过去式相同; finish---- finished---- finished live ---- lived---- lived stop----stopped---stopped carry---- carried---- carried 1加ed,2加d,3要双写, 4 注意,y变成ied 特殊形式特殊记。
练一练
1.我已经看过这部电影。 have ________ already _______the I _____ film. seen 2.你已经浇过花了吗? Have you watered the flowers______? yet ______ 3.他刚刚完成了家庭作业。 just finished He ____ ______his homework. has _____ 4.我们曾经去过五仙山。 ever We ____ ____ ______to have been the Wuxian Hills. 5.李雷从不抽烟。 Li Lei _____ _____smoked _______. has never
人教版八年级英语下册专题归类复习现在完成时复习ppt课件
注:句中如果有一般过去时的时间状语,不能 用现在完成时,要用一般过去时。
(三)值得注意几个问题:
1):如果句中没有表示过去的时间状语, 常用现在完成时;如果有,只能用一般过 去时。 I have been to Shanghai twice . 我曾去 过上海两次.
专题归类复习四
┃现在完成时
2.用法: (2)表示从过去某一时刻开始一直持续到现在 的动作或状态,常与“since+时间点”,“for+时 间段”及how long等时间状语连用。(注意:句 中的谓语动词要用延续性动词)
I have been in this school since 1999 .
He has worked here for a year.
┃现比在较完成下时列几组用法的区别 ⑴already与yet 一般情况下,already表示“已经”,主要用于
肯定陈述句,一般在句中;yet 表示“已经”或 “仍然,还”是用于疑问句或否定句,一般在句 末。
1)He has already come.
2)Has he come yet?
3)He hasn’t come yet.
生活家饮食保健孕期选择食用油的学 问邢台 市第四 病院罕 见护理 应急预 案猪气 喘病综 合防制 技术动 物营养 系列理 想蛋白 与氨基 酸模式 的研究 进展皮 肤病的 诊断包 括病史 体格检 查和必 要的实 验室检 查我国 有关食 物添加 剂营养 强化剂 食物新 资本的 治理律 例与标 准
(2)一般过去时常与yesterday、 yesterday afternoon、last year、in 1965、 a moment ago 等表示过去的时间状语连用。 例如:
复习课件:(人教版)八年级英语下册 专题归类复习4:现在完成时.ppt
3.Lucy__h_a_s__l_i_v_e_d_(live)in Qingdao since she came to
China. 4.—Turn off the radio, dear. Baby is sleeping.
—There is no need. He ___h_a_s__w_o_k_e_n_ (wake) up.
since the earthquake happened. Ⅲ.句型转换 1.He has been collecting kites for_five_years.
(对画线部分提问)
___H_o_w___ ___l_o_n_g___ __h_a_s___he been collecting kites?
• 14、Thank you very much for taking me with you on that splendid outing to London. It was the first time that I had seen the Tower or any of the other famous sights. If I'd gone alone, I couldn't have seen nearly as much, because I wouldn't have known my way about.
5.你来这个城镇多长时间了?
How long __h_a_v_e___you _b_e_e_n___ ___i_n____this town?
6.你迟到了,会议已经开始大概十分钟了。
You are late. The meeting __h_a_s__ _b_e_e_n_ __o_n___
初中英语人教新目标八年级下册Grammar《现在完成时态》课件
did
open
been to
• Have you gone to America? (误) • Have you been to America? (正) • 1. _____ you _______ to Japan before? • 2. His father isn't at home. He _______ the supermarket now. • 3. Where is your class teacher? She _______ the library. • 4. Linda and her parents _______ to France twice.
I lived there 2 years ago
past
present
I have lived here for two years
• 1.都表示过去发生的事
• 2.现在完成时强调过去和现在的联系,不能和具体 的时间状语连用;
• 3.一般过去时强调过去发生的事或状态与表示过去 的具体时间连用(last, ago, yesterday, etc. )
I have bought a new apartment for a month 错误 I have had a new apartment for a month 正确
常见非延续性动词和延续性动词的转变
• arrive/come/go to/reach
be in
• borrow
keep
• leave
• 6. Many tall buildings __h__a__s______(builsd)einethne past 5 years.
2014年新目标人教版八年级英语下册语法复习课件----现在完成时
2. His father has been in the Party ___s_i_n_ce10 years
ago.
3. The film has been on ___f_o_r_ 20 minutes.
4. Mr Green has worked here ______ he came to
China.
一般疑问及回答:
_H__a_v_e__y_o__u__w_r_i_t_te_n__y__o_u_r__p_o_s_t_c_a_r?d? __Y_e_s_, _I__h_a_v_e._/_N__o_,I_h_a_v_e_n_’_t.__________
第5页,共66页。
2) 用现在完成时连词成句 I, finish, homework
第10页,共66页。
already 和 yet的用法
already 已经 通常用于肯定句中或句末
yet 已经,还 通常用于疑问句和否定句末 我已经找到了我的尺子。
I have _a_lr_e_a_d_yfound my ruler. 否一I 定般ha句疑ve:问Ifoh句uanv:dHenma’vtyefroyuuolneudr_fmo_u_ayn_lrr_deu_ayl_edo_ryu_.r__r_u_lye_er.t___y_e?t
现在完成时
第1页,共66页。
一、基本结构:
肯:主语+助动词have/has+动词的过去分词
e.g I (You) have studied. He (She, It) has studied.
We(You,They) have studied.
第2页,共66页。
否:主语+助动词 haven’t+动词的过去分词
人教版新目标英语八年级下册《现在完成时复习SectionAGrammar》说课稿3
人教版新目标英语八年级下册《现在完成时复习 Section A Grammar 》说课稿3一. 教材分析人教版新目标英语八年级下册《现在完成时复习 Section A Grammar 》是一篇关于现在完成时的复习文章。
文章通过生动的例句和练习,帮助学生理解和掌握现在完成时的用法。
本节课的主要内容包括现在完成时的结构、标志词、时间状语以及现在完成时与一般过去时的区别。
教材内容丰富,难度适中,适合进行复习和巩固。
二. 学情分析在进入八年级下册的学习之前,学生们已经学习了英语的一般现在时、一般过去时和一般将来时。
他们对于时态的概念和用法有一定的了解,但可能在现在完成时的用法上还存在一些困惑。
因此,在教学过程中,需要关注学生的学习需求,针对性地进行讲解和辅导。
三. 说教学目标1.知识目标:通过本节课的学习,使学生掌握现在完成时的结构、标志词、时间状语以及现在完成时与一般过去时的区别。
2.能力目标:培养学生运用现在完成时进行交流的能力,提高学生的英语表达能力。
3.情感目标:激发学生学习英语的兴趣,培养学生的自信心和自主学习能力。
四. 说教学重难点1.重点:现在完成时的结构、标志词、时间状语以及现在完成时与一般过去时的区别。
2.难点:现在完成时的运用和与一般过去时的区分。
五. 说教学方法与手段1.采用任务型教学法,通过小组讨论、角色扮演等活动,激发学生的学习兴趣,提高学生的参与度。
2.使用多媒体教学手段,如PPT、视频等,直观地展示现在完成时的用法,帮助学生更好地理解和掌握。
3.利用例句和练习,进行讲解和辅导,让学生在实践中学会运用现在完成时。
六. 说教学过程1.导入:通过一个简单的互动游戏,引导学生回顾一般过去时的用法,为新课的学习做好铺垫。
2.讲解:讲解现在完成时的结构、标志词、时间状语以及现在完成时与一般过去时的区别。
通过生动的例句和练习,帮助学生理解和掌握。
3.实践:学生进行小组讨论,用现在完成时进行交流,教师巡回指导并进行点评。
人教版新目标初中八年级下册现在完成时态
05
现在完成时态常见错误及纠正方 法
主谓不一致错误
错误示例
They have done their homeworks.
纠正方法
将have改为have done,homeworks改为homework。正确的句子应该是:They have done their homework.
时态混淆错误
错误示例
so far
表示到目前为止,如 "So far, we have learned about 500 words."(到目前为止,我们 已经学了大约500个单词。)
时间状语在句子中位置
一般位于句首或句尾,用逗号与句子其他部分隔开,如 "For the past week, I have been busy with my homework."(过去的一周里,我一直忙于作业。)
用于肯定句中,表示“刚 刚”。例如:I have just finished my homework.
用于疑问句和否定句中, 表示“曾经”。例如: Have you ever been to Beijing? / I have never been to Beijing.
用于表示动作持续的时间 或起始时间。例如:I have lived here for ten years. / I have lived here since 2010.
I have went to the park yesterday.
纠正方法
将have went改为went。正确的句子 应该是:I went to the park yesterday.
漏用或误用助动词have/has
错误示例
He eaten an apple.
人教八年级下册现在完成时态专题ppt演讲教学
持续下去。
人教八年级下册现在完成时态专题ppt 演讲教 学
人教八年级下册现在完成时态专题ppt 演讲教 学
现在完成时的构成
have (has)+ 过去分词
人教八年级下册现在完成时态专题ppt 演讲教 学
助动词
人教八年级下册现在完成时态专题ppt 演讲教 学
I haven’t read that book yet .
(不了解书的内容)
人教八年级下册现在完成时态专题ppt 演讲教 学
人教八年级下册现在完成时态专题ppt 演讲教 学
考点 3 表示动作从过去某时开始一直持续到现在, 并有可能持续下去。
考向 常与“for+时间段”或“since+表过去的 时间点或一般过去时的句子”连用。
人教八年级下册现在完成时态专题ppt 演讲教 学
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. (改为否定句) 4)Jenny has had her lunch for three days. (改为一般疑问句 并做否定回答)
A.has come to
B.has gone to
C.has gone in
D.has been to
【点拨】has gone to “已经去了某地”,has been to“去过某地”。根据答句“她将在两天后回来。”可知 Mrs. Smith 是去了澳大利亚,故选B。
人教八年级下册现在完成时态专题ppt 演讲教 学
考点 1 现在完成时的句式变化。 变否定句:在have/has+not, 变疑问句:把have/has提到主语前。
人教版英语八年级下册语法复习——现在完成时课件-课件
Key words
yet already
注意:already 用于肯定句, yet 用于疑问句和否定句中
A: __H_a_s__ your brother _fi_n_is_h_e_d his
homework yet? (finish)
B: Yes, he ‘s already done it.
Key words
have/has gone to have/has been to have/has been in
去了 说话时某人不在 只用于第三人称
去过 常与ever, never, once,twice,连用
在… 与时间段连用 用how long 提问
A: Where is Bob ? B: He __h_a_s_g_o_n_e_t_o__ Japan with his sister.
got to have/has been in
have/has been in join
have/has been a soldier
The concert has finished for half
an hour.
been over
buy have/has had
leave have/has been away
It is 3 years since Nick joined the army. 3. 他离开深圳好长时间了。
It is a long time since he left Shenzhen. 4. 这本书我已借了4个月了.
It is 4 months since I borrowed the book .
just
Just 刚刚 与现在完成时连用 一般置句中 Just now 刚才 与一般过去时连用
人教版八年级英语下册现在完成时(原创课件)
【简写】 • have not = haven't
has not = hasn't
【例句】 • I have not found the book. •9 She hasn't paid for the meal.
句式转换:
【一般疑问句】 • Have/Has + 主语 + done ?
【回答】 • 肯定:Yes, 人称代词主格 +have/has. • 否定:No, 人称代词主格 +haven't/hasn't.
Key and difficult points
1. 辨析:have been to & have gone to 的用法
Phase have been to have gone to
Meaning / Difference
去过某地,已经回来了 去了某地,还没回来
【练习1】根据中文意思,翻译句子。
11
时态标志词: (多放在have/has和done之间)
• just【adv.刚;正好】 • already【adv.已经】 • ever 【adv.曾经】
• never 【adv.不曾】
12
他刚来到。 He has just come. 我已经把邮件发送出去了。 I have already sent the email. Betty曾经到过上海。 Betty has ever been to Shanghai. 她不曾看过这部电影。 She has never seen this film.
• so far / up to now / by now / until now【到目前为止】 We have tried several times so far / up to now / … 到目前为止,我们已经尝试过好几次了。
英语人教版八年级下册现在完成时复习课件
Jack has been ill since he came back from London( 正确 ) 三生三世已经上演两个月了 SanshengSanshi has been on for two months( 正确 )
SanshengSanshi has started for two months( 错误 )
(2)过去动作产生的影响 现在完成时所表示的动作在说话之前已完成, 但对现在有影响。句中没有具体时间状语 We have cleaned our classroom (目前教室很干净) I have lost my keys .(目前仍未找到)
(3)与表过去的不明确的时间状语连用 现在完成时可与不明确定指出具体时间的状语连用 如already, yet, just, before, recently, lately等 李小鹏已经吃完早饭了 Lixiaopeng has already had his breakfast 我近来没见到我的好朋友 I haven’t seen my best friend recently
②现在完成时表述的时间尚未结束,过去时表述 的时间已经过去。 I haven’t seen Tom this morning yet(现在仍是早晨)
I didn’t seen Tom at all this morning (现在是下午或 晚上)
③现在完成时与现在有联系,过去时仅表示过去的事 情,与现在没有联系 I have lost my key to the drawer(至今无法打开抽屉) I lost my key to the drawer(也许现在仍未找到钥匙, 也许已经找到)
(4)正确使用for和since
1.since常见有以下三种用法:for +一段时间
