as的用法歸納全PPT教學(xué)課件

1、192.1295.2350.3490.4589.3660.0743.9896.9989.31061.3112.01296.21390.21448.115100.09日單選正答率 導(dǎo)導(dǎo)3. She was afraid to go into the yard because she was afraid of being bitten by the big dog lying at the gate. be afraid to do 因害怕而不敢做某事 be afraid of doing sth. 擔(dān)心(害怕)某事發(fā)生 He is afraid of being beaten by his f

2、ather. He is afraid to touch the snake. 6.We are dying to hear about your experience in the army. be dying for sth.(n. pron.) be dying to do sth.be eager to do be eager for long to do long for第1頁/共26頁192.1295.2350.3490.4589.3660.0743.9896.9989.31061.3112.01296.21390.21448.115100.09日單選正答率 導(dǎo)導(dǎo)7says tha

3、t providing children with access to the information superhighway is of great importance. have access to 獲得的機(jī)會(huì)（權(quán)利） 進(jìn)入的通道Only high officials have access to the President.There is no access to the house.11.The two countries used to be at war with each other,but now they are at peace. at war做表語 at peace

4、 做表語In peace=peacefully 做狀語Let us forgive each other only then will we live in peace 單選14. 完型 24.第2頁/共26頁 思思 Look through the guideline； Make full comprehension of the key points； & tick the points that confuse U; Then finish the following exercises;10:43 to 11:00第3頁/共26頁 議議11:00 to 11:05Task1: Summ

5、arize the usage of “as”Task2: Discuss the exercises that confuse u 第4頁/共26頁as用法歸納 展評(píng)展評(píng)第5頁/共26頁 asasconj.adv.relative pron.prep.固定用法固定用法引導(dǎo)定語從句引導(dǎo)定語從句引導(dǎo)引導(dǎo)時(shí)間時(shí)間狀語從句狀語從句引導(dǎo)原因狀語從引導(dǎo)原因狀語從句句引導(dǎo)引導(dǎo)讓步讓步狀語從狀語從句句引導(dǎo)引導(dǎo)方式方式狀語從狀語從句句引導(dǎo)比較狀語從句引導(dǎo)比較狀語從句 展評(píng)展評(píng)第6頁/共26頁一、作副詞Jack is as tall as his father. 肯定句： “像（和）一樣” 常用于asas結(jié)構(gòu).

6、 否定句：“不像（和）一樣” 常用于 not as(so)as 展評(píng)展評(píng)第7頁/共26頁 I read the letter as I walked along the river. As I get older I get more optimistic. John was having his dinner when I saw him. She can write only when the baby is asleep. We must strike while the iron is hot. While we were reading, the teacher came in. 1

7、. 引導(dǎo)時(shí)間狀語從句引導(dǎo)時(shí)間狀語從句二、用作連詞二、用作連詞 展評(píng)展評(píng)第8頁/共26頁區(qū)別區(qū)別連詞連詞時(shí)間時(shí)間與與主句謂語主句謂語動(dòng)作動(dòng)作只用只用asaswhenwhen延續(xù)性動(dòng)詞延續(xù)性動(dòng)詞暫時(shí)性動(dòng)詞暫時(shí)性動(dòng)詞同時(shí)發(fā)生同時(shí)發(fā)生& &先于主句先于主句發(fā)生發(fā)生whilewhile延續(xù)性動(dòng)詞延續(xù)性動(dòng)詞同時(shí)發(fā)生同時(shí)發(fā)生& &過程中過程中兩個(gè)動(dòng)作同時(shí)進(jìn)行兩個(gè)動(dòng)作同時(shí)進(jìn)行 “一邊一邊, ,一邊一邊”兩個(gè)同步發(fā)展的動(dòng)作或兩個(gè)同步發(fā)展的動(dòng)作或行為行為, , “隨著隨著” asas引導(dǎo)時(shí)間狀語從句引導(dǎo)時(shí)間狀語從句as當(dāng)當(dāng)?shù)臅r(shí)候的時(shí)候延續(xù)性動(dòng)詞延續(xù)性動(dòng)詞同時(shí)進(jìn)行同時(shí)進(jìn)行 展評(píng)展評(píng)第9頁/共26頁 As she h

8、as been ill perhaps she need some help. I stayed at home because it rained. Since everyone is here, lets start. It must have rained last night, for the ground is wet.2. 引導(dǎo)原因狀語從句引導(dǎo)原因狀語從句語氣由強(qiáng)至弱：becausesinceasfor展評(píng)展評(píng)第10頁/共26頁 as as引導(dǎo)原因狀語從句引導(dǎo)原因狀語從句as 是個(gè)常用詞，所表示的原因是雙方已知的事實(shí) 或是顯而易見的，含義與since相同，但語氣更 弱，常譯成“由于

9、，鑒于”because 語氣最強(qiáng)；常用于回答why的提問； 它所 指的原因通常是聽話人所不知道的since 表示對方已知的、或稍加分析便可得知的原 因，有時(shí)譯作“既然”for 表附加的解釋、說明或推理。不放句首注意：在強(qiáng)調(diào)句型中只能用becauseIt was because I missed the early bus that I was late for school.展評(píng)展評(píng)第11頁/共26頁. 1. Strong as he is, he is afraid of pain.2. Slowly as the tortoise walks, it can beat the rabbit

10、.3. Doctor as she is, she cant cure her own disease.4. Try（hard） as he does（will）, he never seems able to do the work beautifully.adj./adv+as+ S+be/v.n. + as +S+ be (句首名詞不帶冠詞)v. +as +S+ do/does/did3.as3.as引導(dǎo)讓步狀語從句引導(dǎo)讓步狀語從句（倒裝）展評(píng)展評(píng)第12頁/共26頁asas引導(dǎo)讓步狀語從句引導(dǎo)讓步狀語從句 Although Although they are poor they are

11、happy.they are poor they are happy. Busy Busy as as he is ,he insists on studying.he is ,he insists on studying. ThoughThough he is busy, he insists on studying. he is busy, he insists on studying. Busy Busy as(though)as(though) he is ,he insists on studying. he is ,he insists on studying.Make a sum

12、mary:as 譯成譯成“雖然，盡管雖然，盡管”，引導(dǎo)讓步狀從，引導(dǎo)讓步狀從必須必須用倒裝語序；用倒裝語序；althoughalthough 不倒裝不倒裝，且不能再與，且不能再與butbut連用，但能和連用，但能和yetyet連連用；用；thoughthough 可倒可不倒可倒可不倒 展評(píng)展評(píng)第13頁/共26頁 4. 4.as引導(dǎo)方式狀語從句引導(dǎo)方式狀語從句 As引導(dǎo)方式狀從引導(dǎo)方式狀從 譯成譯成 “按照按照的方式的方式” Remember, you must do everything as I do. When at Rome, do as Romans do. We do farm wo

13、rk as the old peasant teaches us.展評(píng)展評(píng)第14頁/共26頁 5. 5.引導(dǎo)比較狀語從句引導(dǎo)比較狀語從句 用于用于“as.as.as.as.或或notnot so/so/ as.as.as.as.”中中, ,前一個(gè)前一個(gè) asas是副詞是副詞, ,后一個(gè)后一個(gè)asas是連詞，是連詞， “像像( (不和不和) )一樣一樣”。 Your pen writes as smoothly as mine. This dictionary is not as/so useful as you think. This is as good an example as the

14、other is. I can carry as much paper as you can. 展評(píng)展評(píng)第15頁/共26頁 6. 6.引導(dǎo)條件狀語從句引導(dǎo)條件狀語從句主要句式有：as long as /so long as 只要 As long as you study hard, you will make great progress.展評(píng)展評(píng)第16頁/共26頁三、用作關(guān)系代詞 as作為關(guān)系代詞，用來引導(dǎo)定語從句，包括限制性定語從句和非限制性定語從句。 構(gòu)成such/soas/ the sameas等結(jié)構(gòu)，在從句中作主語、賓語和表語. 引導(dǎo)非限和which的區(qū)別： As we all kn

15、ow, Taiwan belongs to China. Taiwan, as we all know, belongs to China. Taiwan belongs to China , as we all know. as everybody knows, as you may remember, as you say, as I can see, as I have said, as you may have heard 一些固定詞組 展評(píng)展評(píng)第17頁/共26頁注意：suchas與suchthat, soas與sothat的區(qū)別：that是連詞，引出結(jié)果狀語從句，在從句中不做成分；a

16、s是關(guān)系代詞，引出定語從句，在從句中可作主語、賓語和表語。比較： He is such a nice boy that everyone likes him. He is such a nice boy as everyone likes. 這個(gè)男孩的性格如此之好，人們都喜歡他。 It is so difficult a problem that nobody can work it out. It is so difficult a problem as nobody can work out. 這個(gè)問題太難了，沒有人能解決。展評(píng)展評(píng)第18頁/共26頁四、作介詞，四、作介詞， 1.1.表示“

17、作為，當(dāng)作,以身份” As a writer, he was famous. 2. as作為介詞，常和以下動(dòng)詞連用 regardas/be known as/consideras useas/ describeas/be remembered as be honored as/ 作介詞的as常用來引入補(bǔ)足語 They regard him as their leader. 賓補(bǔ) The report was considered as false. 主補(bǔ) 展評(píng)展評(píng)第19頁/共26頁As和 like 都可以做介詞,但詞義是不同的,As 作為, 以資格,Like 像.與相似As a scienti

18、st, he dedicated to the truth.She works like a beaver. 她工作勤勤懇懇展評(píng)展評(píng)as 連詞 像一樣 +句子like 介詞 像一樣 +詞I have never seen such a clever man _ he第20頁/共26頁五、用于一些固定搭配五、用于一些固定搭配 1. such as 例如例如 2. as for=as to sb/ sth. 至于某人（某事物）至于某人（某事物） 3. so as to 以便以便, 為了為了 4. as a matter of fact 事實(shí)上，其實(shí)事實(shí)上，其實(shí) 5. as a result 作為結(jié)

19、果作為結(jié)果 6. as a result of 由于由于/作為作為的結(jié)果的結(jié)果 7. as follows 如下如下 8. as far as I know/can see 就我所知就我所知 展評(píng)展評(píng)第21頁/共26頁 Read the following sentences: 1. Tom runs fast, but I run just as fast. 2. She doesnt sing so well as her sister. 3. I have changed it as you suggested. 4. We all like her as she is very kin

20、d. 5. He raised his voice so as to be heard. 6. Tired as they were, they walked on. 7. I never heard such stories as he told. 8. He is careful, as his work shows. 9. He works as a teacher. 10. As you sow, so will you reap. 展評(píng)展評(píng)第22頁/共26頁 1. A good many proposals were raised by the delegates, _was to

21、be expected. A. that B. what C. so D. as 2. _might be expected, the response to the question was very mixed. A. As B. That C. It D. What 3. _he works hard, I dont mind when he finishes the experiment. A. As soon as B. So far as C. As well as D. As long as OKOKOKChecking 檢檢第23頁/共26頁 4. It is generally believed that teaching is _it is a science. A. an art much as B. much an art as C. as an art much as D. as much an art as 5. She doesnt speak _her friend, but he