九年級(jí)英語(yǔ)上冊(cè)第五單元知識(shí)點(diǎn)講解Grammar

1、.九年級(jí)英語(yǔ)上冊(cè)第五單元知識(shí)點(diǎn)講解Art worldGrammar重點(diǎn)單詞 1 highly adv.高度地;高地 highly作副詞,意為“高度地;高地,常用來(lái)修飾形容詞或副詞。 e.g. She is a highly educated woman.她是個(gè)受過(guò)高等教育的女人。拓展highly作副詞時(shí)還可表示“非常,極,其同義詞為very;它還可表示“對(duì)某人、某事物非常贊許地,極為稱(chēng)贊地,此時(shí)它常用于think/speak highly of sb.構(gòu)造,表示“對(duì)某人極為贊賞;對(duì)某人評(píng)價(jià)很高。 e.g. Her father is a highly successful politician

2、.他爸爸是一位非常成功的政治家。 People all think/speak highly of Mike.人們對(duì)邁克的評(píng)價(jià)都很高。2 last vi. 持續(xù) last作不及物動(dòng)詞,意為“持續(xù),常與介詞for連用,“l(fā)ast for +時(shí)間表示“持續(xù)多長(zhǎng)時(shí)間。e.g. How long does the show last?那場(chǎng)演出要持續(xù)多久? The hot weather lasted for the whole month of June.炎熱的天氣在六月份持續(xù)了整整一個(gè)月。拓展1 last的其他用法作限定詞 最近的;上一個(gè)的 最后的;最末的e.g.Did you see the ga

3、me last night?你昨晚看了比賽沒(méi)有? He was the last one to leave.他是最后一個(gè)分開(kāi)的。作副詞 最近;上一次 最后;最終e.g. When did you see him last?你最近何時(shí)見(jiàn)過(guò)他? Who is speaking last? 誰(shuí)最后一個(gè)發(fā)言?作名詞 最后來(lái)的人 或發(fā)生的事 e.g. They were the last to arrive. 他們是最后到達(dá)的人。2 lately也為副詞,意為“最后一點(diǎn);最后,常用來(lái)引出所列事情中的最后一項(xiàng)或最后一點(diǎn),其同義詞為finally。 e.g. Lastly, I would like to

4、thank my parents for all their support最后,我想感謝父母對(duì)我的全力支持。重點(diǎn)短語(yǔ)，1 be able to do sth.可以做某事 e.g. Ann was worried whether she'd be able to get there on time.安擔(dān)憂(yōu)她是否可以按時(shí)趕到那里。2 be open to sb.對(duì)某人開(kāi)放 e.g. School playgrounds will be open Io the public.學(xué)校的操場(chǎng)將對(duì)公眾開(kāi)放。3 out of breath.上氣不接下氣 e.g. I was out of breat

5、h after running for the bus.因?yàn)樽汾s公共汽車(chē),我上氣不接下氣。4 get bored感到厭煩 e.g. After a while 1 got bored and left. 過(guò)了一會(huì)兒，我感到厭煩,然后就分開(kāi)了。要點(diǎn)詳解1 Why is Tan able to build a bridge between the East and the West?為什么譚盾可以在東西方之間搭建起一座橋梁?解析able是形容詞，意為“能,可以。be able to do sth.意為“可以做某事。e.g. I was able to skate when I was seven

6、years old.七歲時(shí),我就會(huì)滑冰了。辨析be able to與canbe able to強(qiáng)調(diào)在某詳細(xì)事件中的才能,表示“經(jīng)過(guò)努力而成功地做成某事,適用于各種時(shí)態(tài),且可以和情態(tài)動(dòng)詞連用,還可以構(gòu)成動(dòng)詞不定式。e.g. Luckily we were able to use the new machine.幸運(yùn)的是,我們會(huì)使用這臺(tái)新機(jī)器。You must be able to speak French for this job. 干這項(xiàng)工作你得會(huì)說(shuō)法語(yǔ)。can強(qiáng)調(diào)一般性的才能，表示“有才能做某事,沒(méi)有人稱(chēng)的變化，且只有如今時(shí)和過(guò)去時(shí)could兩種形式,沒(méi)有將來(lái)時(shí)和完成時(shí)。e.g. I can

7、't help you with your Maths.我不能幫你學(xué)數(shù)學(xué)。 He could read and write when he was five.他五歲時(shí)就能讀書(shū)寫(xiě)字。2 After a while , we saw Amy running towards us.過(guò)了一會(huì)兒,我們看見(jiàn)埃米向我們跑來(lái)。解析 作動(dòng)詞,意為“看見(jiàn),強(qiáng)調(diào)看的結(jié)果,其過(guò)去式和過(guò)去分詞分別為saw和seen。 e.g. I looked at the blackboard carefully but I saw nothing.我仔細(xì)看了看黑板但什么都沒(méi)看見(jiàn)。 He was seen running a

8、way from the scene of the crime.有人看見(jiàn)他從犯罪現(xiàn)場(chǎng)跑開(kāi)。辨析see sb. doing sth.與see sb. do sth. see sb. doing sth.意為“看見(jiàn)某人正在做某事，強(qiáng)調(diào)看見(jiàn)某動(dòng)作正在進(jìn)展。 e.g.I saw you playing soccer when I came to school.當(dāng)我到校時(shí),我看見(jiàn)你正在踢足球。強(qiáng)調(diào)動(dòng)作正在進(jìn)展 see sb. do sth.意為“看見(jiàn)某人做了某事，強(qiáng)調(diào)看見(jiàn)某動(dòng)作發(fā)生的全過(guò)程或經(jīng)常性的動(dòng)作。 e.g. I saw you put the key in your pocket. 我看見(jiàn)你把鑰

9、匙放進(jìn)了口袋。 強(qiáng)調(diào)動(dòng)作發(fā)生的全過(guò)程 I often see him play ping-pong.我經(jīng)常看見(jiàn)他打乒乓球。強(qiáng)調(diào)經(jīng)常性的動(dòng)作拓展see sb. do sth.構(gòu)造中的do sth.是省略了to的不定式短語(yǔ),但在被動(dòng)語(yǔ)態(tài)中,省略的to要復(fù)原回去。與see有類(lèi)似用法的動(dòng)詞還有watch, hear, notice 等。 e.g. I often see him ask questions after class. = He is often seen to ask questions after class by me.我經(jīng)?？吹剿谡n后問(wèn)問(wèn)題。3 “I'm late bec

10、ause there was too much traffic ,she said , out of breath."我遲到了，因?yàn)榻煌ㄌ珦矶铝?。她上氣不接下氣地說(shuō)。解析but of breath意為“上氣不接下氣。其中,breath是名詞,意為“呼吸的空氣。 e.g. He was out of breath after only five minutes' walk.走了五分鐘后他便上氣不接下氣了。 We had to stop for breath before we got to the top.我們不得不停下來(lái)喘口氣,然后再登山頂。拓展 與breath相關(guān)的短語(yǔ)sh

11、ort of breath氣短 fight for breath大口地喘氣 take a deep breath 深深地吸一口氣 hold one's breath屏住呼吸c(diǎn)atch one's breath緩一口氣 save one's breath別浪費(fèi)口舌語(yǔ)法縱橫 because , since和as引導(dǎo)的原因狀語(yǔ)從句 在復(fù)合句中,表示主句動(dòng)作發(fā)生原因的從句叫做原因狀語(yǔ)從句，常見(jiàn)的用來(lái)引導(dǎo)原因狀語(yǔ)從句的附屬連詞有because , since和as。 1. because引導(dǎo)的原因狀語(yǔ)從句because意為“因?yàn)?其引導(dǎo)的原因狀語(yǔ)從句一般放在主句之后,用來(lái)表示造成

12、某種情況的直接原因,語(yǔ)氣最強(qiáng)，常用來(lái)答復(fù)由why引導(dǎo)的特殊疑問(wèn)句。需要注意的是，漢語(yǔ)中習(xí)慣說(shuō)“因?yàn)樗? ,但英語(yǔ)中不能將because與so一起使用。e.g. I do it because I like it.我做這件事是因?yàn)槲蚁矚g。 Why didn't you come to my birthday party? 你為什么沒(méi)來(lái)參加我的生日聚會(huì)?Because I was too busy.因?yàn)槲姨α恕?I watched the movie because I was interested in it. = I was interested in the movie so I

13、watched it.因?yàn)楦信d趣,所以我看了這部電影。2. since引導(dǎo)的原因狀語(yǔ)從句since意為“既然;由于;因?yàn)?quot; ,其引導(dǎo)的原因狀語(yǔ)從句一般放在主句之前,用來(lái)表示顯而易見(jiàn)的理由,較為正式,語(yǔ)氣比because弱。 e.g. Since you are free today ,you can go shopping with me.既然今天你有空,你可以跟我去購(gòu)物。注意:now that也可以表示“既然;由于,它與since 的意思相近。 Now that you are grown up ,you should not rely on your parents.既然你長(zhǎng)大了

14、,你就不應(yīng)該依靠你的父母了。3. as引導(dǎo)的原因狀語(yǔ)從句as引導(dǎo)原因狀語(yǔ)從句時(shí),表示附帶說(shuō)明的雙方的原因,較為正式，語(yǔ)氣比since弱,其在句中的位置較為靈敏常放在主句之前。e.g. As you are tired ,you had better have a rest.既然你累了,你最好休息一下。 I went to bed early, as I was exhausted.我睡得早，因?yàn)槲医钇ＡΡM了。課后理論運(yùn)用高效練習(xí)場(chǎng)I單項(xiàng)選擇。 1.1 saw a wallet on the ground on my way home.A. lie B. lay C. lain D. lying

15、 2. In the future ,we_ fly to the Mars.A. will can B. will be able to C. were going to D. could be able to 3. Each game an hour. A. last B. lasts for C. lasting D. lasts to 4. Mo Yan's books have been sold out in many bookstores his winning of the Nobel Literature Prize.A. because B. since C. as D. because of語(yǔ)法專(zhuān)練II.用because .since或as填空。 1.1 came back late yesterday I was on duty. 2. you know