高考英语必备句之特殊的条件句

高考英语必备句之特殊的条件句：

(1) Suppose/ Supposing ---, 假如

例 ： Suppose/Supposing he is absent, what shall we do?

假如他缺席，我们怎么办？

(2) On condition that 只要 ；如果

例： I'll come on condition that John is invited, too.

如果约翰也被邀请，我就来。

(3) provided (that)/ providing 只要

I will come provided (that) I am well enough. 只要我身体好，我一定来。

You may go out providing you do your homework first.

只要你先做作业，你便可以外出。

(4) so/as long as

例： As/So long as you work hard, you'll succeed in the end.

只要你好好干，终究会成功的。

(5) 祈使句 +and + 陈述句 (表肯定）

例： Give him an inch and he?ll take a mile.

(= If you give him an inch, he?ll take a mile. ) 他会得寸进尺的。

(6) 祈使句 + or/otherwise +陈述句 (表否定）

例 ： Start at once, or / otherwise you?ll miss the train. (= If you don?t start at once, )

(= Unless you start at once, you?ll miss the train.)

立即动身，否则你会错过那班火车的。

(7) won't...unless... 除非 否则我不会 .

例句： I won't write to him unless he writes to me first.

我不会写信给他的 ,除非他先写给我 .