速求人教版八年级下册英语第九单元与第十单元的重点知识就是 现在完成时态 与 反义疑问句 那两个单元 我因为生病了 所以在家休养 功课不想落下 所以想请大家帮个忙_百度作业帮
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速求人教版八年级下册英语第九单元与第十单元的重点知识就是 现在完成时态 与 反义疑问句 那两个单元 我因为生病了 所以在家休养 功课不想落下 所以想请大家帮个忙
速求人教版八年级下册英语第九单元与第十单元的重点知识就是 现在完成时态 与 反义疑问句 那两个单元 我因为生病了 所以在家休养 功课不想落下 所以想请大家帮个忙
现在完成时的结构　　现在完成时由“have/has+过去分词”构成,主要有两个含义 　　①表示动作发生在过去,但与现在的情况有联系,有时无时间状语,有时和一些表示不确定的过去时间状语连用,如：many,times,just,yet,already,before,so far,by now等 　　②表示从过去某一时间开始一直延续到现在并还可能继续延续下去的动作,用于延续性动词,且句中常带有表示一段时间的时间状语,如：since,for two months, in the last,so far等 　　二 、现在完成时和一般过去时都能表示过去发生过的动作,但现在完成时表示过去动作对现在的影响,并且表示这一动作已完成或还可能继续下去；而一般过去时与现在的情况没有联系,仅表示过去的动作,且这一动作到说话时已终止.因此现在完成时不能与表示明确的过去时间如when,in1949,yesterday,last week等的状语连用,并且用when或where对这些时间和地点状语提问时,一般只用一般过去时. 　　三、在“it is first/second...time that.”或在“it/this/that is the +最高级+名词+that.”结构中,that从句中的动词常用现在完成时；在“it + be ...+since从句”这一结构中,be可用一般现在时或现在完成时,since从句一般用过去时比较过去时与现在完成时　　1）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；现在完成时为过去发生的,强调过去的事情对现在的影响,强调的是影响. 　　2）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: 　　yesterday, last week,…ago, in1980, in October, just now, 具体的时间状语 　　共同的时间状语: 　　this morning, tonight, this April, now, once,before, already, recently,lately 　　现在完成时的时间状语 　　for, since, so far, ever, never, just, yet, till / until, up to now, in past years, always, 　　不确定的时间状语 　　3）现在完成时可表示持续到现在的动作或状态,动词一般是延续性的,如live, teach, learn, work, study, know. 　　过去时常用的非持续性动词有come, go, leave, start, die, finish, become, get married等. 　　举例： 　　I saw this film yesterday. 　　（强调看的动作发生过了.） 　　I have seen this film. 　　（强调对现在的影响,电影的内容已经知道了.） 　　Why did you get up so early? 　　（强调起床的动作已发生过了.） 　　Who hasn't handed in his paper? 　　（强调有卷子,可能为不公平竞争.） 　　She has returned from Paris. 　　她已从巴黎回来了. 　　She returned yesterday. 　　她是昨天回来了. 　　He has been in the League for three years. 　　(在团内的状态可延续) 　　He has been a League member for three years. 　　(是团员的状态可持续) 　　He joined the League three years ago. 　　( 三年前入团,joined为短暂行为.) 　　I have finished my homework now. 　　---Will somebody go and get Dr. White? 　　---He's already been sent for. 　　句子中如有过去时的时间副词（如 yesterday, last, week, in 1960）时,不能使用现在完成时,要用过去时. 　　（错）Tom has written a letter to his parents last night. 　　（对）Tom wrote a letter to his parents last night.用于现在完成时的句型　　1）It is the first / second time…. that…结构中的从句部分,用现在完成时. 　　It is the first time that I have visited the city. 　　It was the third time that the boy had been late. 　　2）This is the… that…结构,that 从句要用现在完成时. 　　This is the best film that I've (ever) seen. 　　这是我看过的最好的电影. 　　This is the first time (that) I've heard him sing.这是我第一次听他唱歌.典型例题　　(1) ---Do you know our town at all? 　　---No, this is the first time I ___ here. 　　A. was B. have been C. came D. am coming 　　答案B. This is the first time 后面所加从句应为现在完成时,故选B. 　　(2) ---Have you ____ been to our town before? 　　---No, it's the first time I ___ here. 　　A. even, come B. even, have come C. ever, come D. ever, have come 　　答案D. ever意为曾经或无论何时,反意词为never,此两词常用于完成时. This is the largest fish I have ever seen. It is / was the first time +that-clause 的句型中,从句要用完成时. 　　注意：非延续性动词的否定形式可以与表示延续时间的状语连用.即动作不发生的状态是可以持续的. 　　（错）I have received his letter for a month. 　　（对）I haven't received his letter for almost a month. 　　比较since和for 　　Since 用来说明动作起始时间,for用来说明动作延续时间长度. 　　I have lived here for more than twenty years. 　　I have lived here since I was born.. 　　My aunt has worked in a clinic since 1949. 　　Some new oilfields have been opened up since 1976. 　　I have known Xiao Li since she was a little girl. 　　My brother has been in the Youth League for two years. 　　I have not heard from my uncle for a long time. 　　注意：并非有for 作为时间状语的句子都用现在完成时. 　　I worked here for more than twenty years. 　　(我现在已不在这里工作.) 　　I have worked here for many years. 　　(现在我仍在这里工作.) 　　小窍门：当现在完成时+一段时间,这一结构中,我们用下面的公式转化,很容易就能排除非延续动词在完成时中的误使. 　　1)(对) Tom has studied Russian for three years. 　　= Tom began to study Russian three years ago, and is still studying it now. 　　2)(错) Harry has got married for six years. 　　= Harry began to get married six years ago, and is still getting married now. 　　显然,第二句不对,它应改为 Harry got married six years ago.或 Harry has been married for six years.[编辑本段]since的四种用法　　1) since +过去一个时间点(如具体的年、月、日期、钟点、1980, last month, half past six). 　　I have been here since 1989. 　　2) since +一段时间+ ago 　　I have been here since five months ago. 　　3) since +从句 　　Great changes have taken place since you left. 　　Considerable time has elapsed since we have been here. 　　4) It is +一段时间+ since从句 　　It is two years since I became a postgraduate student.延续动词与瞬间动词　　1) 用于完成时的区别 　　延续动词表示经验、经历； 瞬间动词表示行为的结 果,不能与表示段的时间状语连用. 　　He has completed the work.他已完成了那项工作. (表结果) 　　I've known him since then. 我从那时起就认识他了.(表经历) 　　2)用于till / until从句的差异 　　作为延续动词一般用于肯定句,表示"做……直到……" 作为瞬间动词一般用于否定句,表示"到……,才……" 　　He didn't come back until ten o'clock. 　　他到10 点才回来. 　　He slept tll ten o'clock. 　　他一直睡到10点.典型例题　　1. You don't need to describe her. I ___ her several times. 　　A. had met B. have met C. met D. meet 　　答案B. 首先本题后句强调对现在的影响,我知道她的模样,你不用描述.再次,several times告知为反复发生的动作,因此用现在完成时. 　　2.---I'm sorry to keep you waiting. 　　---Oh, not at all. I ___ here only a few minutes. 　　A. have been B. had been C. was D. will be 　　答案A. 等待的动作由过去开始,持续到现在,应用现在完成时.
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八年级英语下册 Uint6-10单元重点短语和句型总结 人教新目标版
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.. Everything will be free. 免费 be free 3.，希望能给下载使用的教师带来帮助. 五年以后 in five years 5. 2.. 人们将会活到200岁. 他们会在家里的电脑上学习.....。 There will be less pullution in the futrue. 拥挤 be crowded ： 1.，所有的东西都是免费的。 They will study at home on computers. 在电脑上学习 study on the computer 2..。 Unit 1 重点短语.。 People won’t use money.. 活到一百岁 live to be 100 years old 4. 4... 1本校英语教研组对八年级下册进行了集体备课. 3.... 将会有更少的污染.。 People will live to be 200 years old. 人们不会使用钱了，里面包含了1-5单元中出现的重点短语和句型，这是前五个单元的集体备课资料之一
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文章来源莲山课 件 w w w.5y K J.Co m Unit 9 Have you ever been to a science museum?一．重点短语1.all year round一年到头;终年&&&&& 2.at night在夜晚3.in a more natural environment在一个更加自然的环境中4.be far from 离……远&&&&&&&&&&& 5.in the dark 在黑暗中6.in the past 在过去&&&&&&&&&&&&&& 7.have been to sp.& 去过某地8.science museum& 科学博物馆&&&& 9.history museum& 历史博物馆10.amusement park& 游乐园11.go somewhere different& 去不同的地方12.go skating& 去滑冰&&&&&&&&&&& 13.take the subway& 坐地铁 14.a great way to spend a Saturday afternoon一个过周六下午的好方法15.all the old movie cameras所有的古老的电影摄影机 16.learn about sth.解有关......的情况&&& 17.on the weekend 在周末18.camp in the mountains 在大山里露营 19.put up a tent搭帐篷&&& 20.in such a rapid way 以如此迅猛的方式 21.different kinds of各种各样的 22.development of toilets 厕所的发展&&& 23.social groups 社会团体 24.the tea art performances茶艺表演 25.make a perfect cup of tea with beautiful tea sets用漂亮的茶具沏一杯完美的茶&&&&&& 26. a nice place to enjoy tea& 一个品茶的好地方27.thousands of& 数以千计的28.International Museum of Toilets国际厕所博物馆29.the Terracotta Army 兵马俑&&&&&& 30.Southeast Asia东南亚31.Night Safari 夜间动物园&&&&&&&&& 32.three quarters 四分之三33.an English-speaking country一个讲英语的国家34.have problem doing sth. 做某事很困难35.during the daytime在白天36.a couple of times& 好几次&&&&& 37.right now& 现在；目前38.an amusement park with a special theme一个有特别的主题的游乐园38.walk around the park 在公园里到处走&&&& 40.hear of 听说41.take a ride兜风&&&&&&&&&&&& 42.another province另一个省& 43.the Bird’s Nest鸟巢&&&& 44encourage sb. to do sth.鼓励某人做某事45.on the one hand... on the other hand.一方面，另一方面二、重点句型1. Have you ever been to... ?Have you ever been to a science museum? 你曾经去过科学博物馆吗？2. Let’s.......Let’s go somewhere different today.我们今天去个不同的地方吧。3.& It’s+\~adj. +that...It’ s unbelievable that technology has progressed in such a rapid way!科技以如此迅猛的方式发展真是令人难以置信啊！4.& Whether... ,& you’ll...Whether you like Indian food，Western food or Japanese food,& you’ll find it all in Singapore! 不管你喜欢印度食品、西方食品还是日本食品，在新加坡你都能找到！5. One great thing.& . is that.& .& One great thing about Singapore is that the temperature is almost the same all year round. 新加坡一个很大的特征是它的气温几乎一年到头都是一样的。6.It is best to do sth..&&&& 最好……It is best to visit Singapore... ...最好......游览新加坡。
三.试题训练。1. Have you ever____ to a science museum?(be)2. I don’t want to go______& boring.( somewhere) 3. Tina went ______ yesterday.(skate)4.We camped in the mountains and _____up a tent yesterday.(put) 5. They got to the top of the high mountain 　&&&& (safe).6. It’s not 　&&&& (simple) a question of money.& 7. Tina likes 　&&&& (India) food very much.8. Several 　&&&& (Japanese) visited our school last week.9. Let’s go to the zoo to watch monkeys, tigers, 　&&&& (fox) and other animals.10.I think the dishwasher is a wonderful 　&& 　　 (invent). 11. The old man loves living in the 　&& 　　(peace) countryside.12. Would you like to come and see her 　&& 　　(perform) in the school hall tonight?13. The house 　&& 　　(it) is very beautiful.14. Three 　&& 　　(German) visited the factory this afternoon.15.It was 12 o'clock at night, but he was still _____________ (wake).16. It was really exciting ______________ (see) the movie in such a way.17. There are many ______________ (visit) in the amusement park.18. At the Night Safari, you can watch these animals in a ______________ (nature) environment.19. There are five _____________ (thousand) workers at that factory. 20. Three fifths population of this city _____________ (be) from other cities.21. I _______________ (study) English at this school for three years.22. Do you have any problem ______________ (get) to the top of the hill?23.To be ______________ (honesty)，it was one of the best novels that I have ever read.24. Where is Mr. Wang? He ________ (go) to the library. He wants to borrow some library books.25.Do yo know how many ________(province) there are in China?& 26.Edison is an _______(invent)and there are morethan1,000________(invent) in Edison’s life.27.Have you ______(see) my book? I can’t ______(find) it.28.She _____ (sing) us an English song at the party last night.29.Singing English songs is a good way _______(improve)English.30.I think Yang Liwei is an ______(usual) person. He is the first Chinese astronaut.31. How about _______(spend) Saturday at the zoo?32.Have you lost _________(something) important?33. Disneyland________ (be) an amusement park with a special theme---- Disney characters and movies.34.Watching the tea preparation is just as ___________(enjoy)as drinking the tea itself.35.I’ve finally realized why my grandpa loves drinking tea and _______(collect) tea sets.36. The policeman tells us how ___________(get) to the post office.37.Linda _______(go) to the zoo again yesterday, she ____________& (go) there many times.38.She ______________(go) to the Palace Museum next year.
1. Every summer, ____________(数以千计的) tourists come to this beautiful island for their&&&&&&& holidays.& 2. __________________________ (一方面), some people want to go abroad, but ___________________(另一方面), others want to return to their country.3. We can’t see the moon& 　&&&&&&&&&& 　&&&& (在白天).4. The temperature is almost the same in Singapore& 　&&&&&&&&&& 　&&&& (一年到头).5. It’s not& 　&&&&&&&&&& (离……远) my home.6.We are going to 　&& 　&& 　&& 　&& 　&& 　& (乘地铁) to school.7. He 　&& 　&& 　&& 　& (搭起) a tent and slept in it at night.8. I’m sorry to 　&& 　&& 　&& 　& (得知) your illness.& 9. Have you 　&& 　&& 　&& 　& (听说) the story before?10.Mrs.Black___________________________(沏一杯茶) for me& just now.11.Have you ever to a _____________?(历史博物馆)12.I usually go to school ________.(骑自行车)13.I like the _______________.(漂亮的茶具)14.There will be many robots ____________.(在将来)15.They will go to the ____________.(游乐园)16.I __________________ when I saw the toilets there.(不能相信自己的眼睛) 17.You can _________on the boat for several days.(去兜风)18.I’ve never visited the _________.(水上公园)19.Most of the foreigners like ___________.(中国食物)20.I heard you___________.(丢了你的包)21.Our English teacher ______________.(鼓励我们学习)22.I’ve been there ___________.(三次)& 23.________________is enjoyable.(收集茶具)24.America is an ___________________.(讲英语的国家)25.So you can choose to _________________.(任何你想去的时候去)26.Let me make ________________.(一杯完美的茶)27.The ___________________ is wonderful.(茶艺表演)28.I think there’s ____________ there.(新的东西)29.______________ Singapore in autumn.(最好去参观)30.So this is _____________to watch them.(最好的时间)31.__________________ are Chinese in Singapore.(四分之三的人口)32. Mike ____________________________(去电影博物馆) with his friends.33. Don’t forget to ______ me _____(唤醒) before you go out.
1.Frank enjoyed himself yesterday.A.liked himself&& B.went out& C.had a great time& D.have fun2.We can take the subway to get there.&A.by subway& B.go there by subway& C.go to the subway station& D.watch the subway there3.That sounds fun.&& A.good&& B.interesting& C. boring&& D.fan4.---I came back from India yesterday.---Really? Did you see the unusual museum?A.best& B.beautiful& C.uncommon& D.interesting5.I hope my English will be improved nest year.A. will be better&& B. will be good& C.will be the best& D. will be better than other people6. The tea museum is the most relaxing place.&A.more relaxing than any other& B.more relaxing than other&C.more relaxing than the other&& D.as relaxing as other7. Perhaps it’s a good idea.&A. Finally& B. Maybe&&& C. So& D. Sometimes 8. In the daytime they will probably be asleep.&A. On Sunday& B. During the day C. Day after day D. Day and night9. You can speak Putonghua a lot of time.&A.many times& B.many of the time& C.most of the time& D.many time10.I want to go to the zoo again.& A.once&& B.at once C.again and again& D.once again11.---What will you do this weekend? &---I don’t really have any plans yet.&A. I don’t want to go anyplace.& B. I have no idea.& C.I want to make a plan& D. How about you ?12.The post office is close to the bank.A.near&& B.between&& c.far from&&& D.around13.They mainly eat fruit and nuts.A.main&&& B.mostly&& C.recently&& D.mostly14.We have 5 new teachers in our class right now.&A.at this time& B.at this moment& C.at once& D.right away.15.Mary has visited the Great Wall a couple times.& &A.many times& B.several times& C.two times& D.few times &&文章来源莲山课 件 w w w.5y K J.Co m
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