as作关系代词,引导限制性定语从句,并在从句中做主语,宾语和表语.
The price stays the same as before . /Your answer is the same as his.
This is the same material as is used in building the bridge .
10 . just as 正如;恰似后接一个表方式的状语从句.
a She loves singing just as her mother did .
b Leave every thing just as you find it .
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英语中的\" 多\":
A . 修饰可数名词复数的:
many , a good / great many , a( large / great ) number of , quite a few
B 修饰不可数名词的:
much , a great deal of , a large / greatamount of , quite a little .
C 既修饰可数名词又可修饰不可数名词的:
a lot of , lots of , plenty of , a large quantity of , large quantities of.
cf. many a+sing. /a great many of + the / these / those +pl.
12.when&while
while A)特殊用法:
a He is rich while his young brother is poor .( 表对比, \" 而\")
b While there is life , there is hope . ( 只要)
c While I admit that the problems are difficult , I don\'t agree that they cannot be solved . ( 尽管)
B ) 从属连词, \" 与..... 时候\" , 只与延续性动词连用.
Be careful while you are crossing the street .
C) whilen.一段时间
wait for a while 等一会儿after a while过一会儿之后
in a short while不久 once in a while间或
when
A)从属连词,\"当...... 时候\" ,可与延续性动词连用,也可与短暂性动词连用.
aBe careful when you are crossing the street . ( 也可用while )
b What did yousee when (不用while) you entered the room .
B) 并列连词, \" 这时\", = at that time
I was about to gowhen the telephone rang / I was about to start when it began to rain .
C) when conj . = since ; considering that 既然;考虑到
How can they learn anything when they spend all their spare time watching television ?
13ask ... for...向某人要... ask for sth.要求得到 ask sth. of sb.问某人( 某事)
ask ( sb.) for help向( 某人) 求助ask ( sb. ) for advice向某人求教
ask for the way问路 ask for trouble自找麻烦
14. bring in ( = earn or get in )赚得;让... 进来;引来;吸收
bring about带来;造成bring out使显出;出版
bring up培养;提出;呕吐bring down击落;降低( 温度,价格)
eg. He brings in 800 yuan a month ./ His talk brought in some new ideas .
15 .表示时间的名词前如果有 one , this , that , next , last等修饰时, 其前面不家任何介词.如, one day , this week .
16.seven people in ten十人中有七人( = seven out of every ten people/ seven people out of ten / seven-tenth of people )
17elder表示亲兄弟姐妹之间的长幼关系,只能用作定语
older表示年龄的大小,可用作表语和定语
eg.My _______sister who works in the bank is two years ________ than I .
A younger ; olderB older; elderC elder ; elder D elder ; older
18。explain sth. to sb./ explain to sb. that.clause
Tom told me why he was late. He exlained that he missed the bus.
19. for some reason 因某一原因/ What\'s the reason for---原因是什么/ That\'s (the reason) why ---do sth./ The reason why+clause /for +n. is that---------的原因是------此句型的that 不能换成because, for, since
