as的用法归纳
she were the only girl
2. as far as sb. be concerned在句中 常作插入语。意思是“据…所知,就 而…言”。
As far as he was concerned, what other people thought was not the most important thing. (Book7 Unit5)
3. 倍数 + as + adj/adv +as 倍数 + as + much + (u)n +as many + (c)n复 Using his hybrid rice, farmers are producing harvests twice as large as before. (Book4 Unit2)
He studies hard so as to pass the exam.
7. as long as→只要,引导状语从句
As long as we have confidence there is no ________________________,
difficulty we can’t overcome. 只要我们有信心,就没有克服不了的困难
2. as much + n + as 不仅是…而且是 There’s just as much a competition among countries to host the Olympics as to win an Olympic medal. (Book2 Unit2)
much an It is generally believed that teaching is as __________ art as a science _____________. 人们普遍认为教书既是一门艺术也是一门科学
as much energy as The United States uses twice ___________________ the whole Europe. 美国使用的能源是整个欧洲的两倍。
4. as + adj +a/an + n + as 1) I want you to live as long and healthy a life as I have. (Book6 Unit3) as rich 2) Give them encouragement to live _____ and full a life as _________________you do.(Book7 Unit1) 给他们鼓励,让他们像你们一样过着丰富充实的生活 3) When we get closer to the moon, we shall feel its growing pulling us, but it will not be as strong a pull as the earth’s. (pull) (Book3 Unit4) _______________ 当我们接近月球,我们会感到它的重力牵引着我们, 但是不是像地球一样强大的引力
3. as soon as→引导时间状语从句, “一…就”,相当于连词
the moment/ the minute/ the instant/ instantly/ directly/ immediately… Could you possibly let us know as soon as you decide ____________________? 你一决定了,能尽快告诉我们吗?
5. 引导比较状语从句
1. as + adj/adv +as 和…一样…
not as (so) adj /adv +as 不如…… Although, nationwide,these cities are not as large as those in China. (Book5 Unit2) as fluently as He doesn’t speak English ____________you. 他说英语不如你流利
Child as she is she knows a lot. ①_____________, 尽管她是个孩子,她懂得很多 ②_____________, Busy as he was he insisted on studying. 尽管他很忙,他坚持学习 as he might Tom could not get out of the ③Try _____________, difficulties. (try) 尽管Tom努力了,他还是不能摆脱困难 Much as I like it ④ _______________,I can’t afford to buy the book. (much) 尽管我很喜欢这本书,但我买不起。
二. 引导定语从句,as作关系代词
① 引导限制性定语从句,用在“such/so… as”, “the same …as”等结构中,常译作 “像……一样的人或物” 。 比较: This is the same book as I lost yesterday. This is the same book that I lost yesterday.
三. as作介词
“如,像”。e.g They got united as one man. “充当,作为”。e.g As a writer, he was famous. English is spoken as the first language in Australia. regard…as… describe…as… work as consider…as… refer to…as… act as
比较: The teacher asked us such a difficult question as none of us could answer. The teacher asked us such a difficult question that none of us could answer it.
6.Now when people refer to England you find Wales included as well. (Book5 Unit2) 7. They tried to paint people and nature as they really were. (Book6 Unit1) 8. I want you to live as long and healthy a life as I have. (Book6 Unit3) 9. As she turned around, there stood Gladys Claffern. (Book7 Unit 2) 10.As far as he was concerned, what other people thought was not the most important thing. (Book7 Unit5)
① When in Rome, do as Romans do. 入乡随俗 ② They tried to paint people and nature as they really were. (Book6 Unit1)
4. 引导让步状语从句,作“虽然, 尽 管”。
这时从句常用倒装语序,即把从句中的表 语,状语或动词原形放在as之前, 即 adj. /adv. / n./ v.+as +主语+谓语+主句
四.关于as的固定词组
1. as if/as though→引导让步状语 从句, “好像,似乎”。若与事实 相反则用虚拟语气
Then he cuts off the leather top of the shoe as if it were the finest steak. (Book4 Unit4) She acts as if __________________in the world. 她表现得好像她是全世界唯一的女孩儿似的
2. 引导原因状语从句: “因为”, 与because的用法相近。
①As it was getting very late, we soon turned back. ②We must stop writing now, as I have a lot of work to do.
3. 引导方式状语从句,作“好像, 按照”。
㈠
as 引导状语从句
1. 引导时间状语从句: “当…时候, 随着,一边…一边”
① I thought of it just as you opened your mouth. ② As time went by, he began making films. (Book4 Unit3) ③ She sang songs as she did her homework.
5. as well→译为“也,还”经常放 在句尾。与too, also同义词。
Now when Wales included as well. (Book5 Unit2)
6. so as to do sth→引导目地状语, “为了”。
② 引导非限制性定语从句,用来指代它前面的整个句 子(即先行句),意思是“这一点, 正如”。这个分句 可以放在句首,句中,或句末。 As you know, our band was formed in a very unusual way. (Book2 Unit5) As I had expected she passed the driving test ________________, easily. 正如我所预料的那样, 她轻而易举的通过了驾驶考试
4. as well as→并列连接词组,意思 是:“和, 同”。当其连接两个并 列主语时,谓语动词应与前面的主 语在数上保持一致。