必修二重点句型总复习

1．          can/could have done

教材例句

…, could never have imagined that his greatest gift to the Russian people…

句型解读

can/could have done 句式有两种意义：

① 用于疑问句和否定句中，表示对过去发生的事情的推测、怀疑或不相信等。

He couldn’t have gone to Beijing, I met him just now

② 过去本来可以做，而实际上没做

You could have come a little earlier.

拓展：must have done 过去一定做过

needn’t have done 本来没有必要做（却已做）

should(n’t) have done 本来（不）应该做（却没/已做）

1、          have sth/sb. done

教材例句

Later, Catherine II had the Amber Room moved to…

句型解读

have sth. /sb done   使/让某人做某事，使某事被做

have sb./sth. doing  让……持续做某事

have sb./sth. do    让/使…做某事

2、          There is no doubt that

教材例句

There is no doubt that the boxes were…

句型解读

There is no doubt that…/ about sth. 毫无疑问……

（肯定句）主语+doubt whether/ is…

（否定句）主语+not doubt that 从句

I don’t doubt that his words are true.

3、          rather than 引导两个平行结构

教材例句

…, which must be facts rather than opinions.

句型解读

rather than 而不是，与其说…到不如…。常用来连接两个平行结构，即与两个形容词，两个状语词组，两个名词或代词，两个动词不定式或两个v－ing形式连用。当连接两个主语时，谓语动词的形式应根据第一个主语来确定。

I, rather than you, am to blame.

4、          nor+部分倒装

教材例句

Nor do I think they…

句型解读

nor 位于句首，后面跟部分倒装结构。英语中，当否定副词以及含有否定词的介词短语或连词放在句首时，句子须用部分倒装语序。这样的副词及短语有：never, seldom, neither, little, not, hardly, scarcely, rarely, not only, not until, at no time, in no way, by no means 等。

如：Seldom does she go out alone at night.

5、          every+数词

教材例句

——How often do you come your here?

——Every four years.

句型解读

every 为形容词，与数词或other, few 连用，表示时间的间隔，意为“每（隔）……”,一般形成以下几个结构:

(1)  every+基数词+复数名词,表示每(隔)……”。

(2)  every+序数词+单数名词, 表示“每（隔）….,每第几……”.

(3)  every+other+单数名词,指“每隔一……”.

(4)  every+few+复数名词,表示“每隔几……,每几个”。

every two days=every second day=every other day 每隔一天（每两天）

6、          why 引导表语从句

教材例句

That’s why they are called the winter Olympics.

句型解读

why 引导表语从句，相当于the reason why （此时 why 为定语从句），意思是“为什么……;…的原因”。why 引导的表语从句表示结果,而because 引导的表语从句表示原因;主语是reason 时,表语从句用that 引导。

如:That is why he changed his mind.

这就是他为什么改变注意的原因。

His coming late was because the traffic was too heavy.

他来晚了是因为交通太拥挤。

7、          so…that

教材例句

And my memory became so large that I can’t believe it!

句型解读

so…that…如此…以至于…，引导结果状语从句，句型结构如下：

（1） so+adj/adv+that…

（2） so+adj+a(an)+(单数可数)+that

（3） so many/few+n (复数)+that

（4） so much/little (不可数)+that

8、          before 引导时间状语从句

教材例句

…, long before humans came into being.

句型解读

long before 早在……之前；很久以前，其引导的时间状语从句用一般现代时代替将来时。

拓展

(1) It will be long before+从句（一般现在时）。要过很久……

(2) It won’t be long before+从句（一般现在时）不久就会……

(3) It was long before+从句（一般过去时）。过了很久才……

(4) It wasn’t long before+从句（一般过去时）不久就……

(5) Sb. did/had done sth. before sb. could do sth

某人还没来得及做某事就已经……