考點3 狀語從句的省略
狀語從句同時具備下列兩個條件:①主句和從句的主語一致,或從句主語為it;②從句主要動詞是be的某種形式,從句中的主語和be動詞??墒÷?,這樣使得語言更加簡潔明了。
狀語從句的省略常包含如下結(jié)構(gòu):
(1)連詞+名詞。
He acts as if(he is)a fool. 他表現(xiàn)得就好像是個傻子一樣。
(2)連詞+形容詞。
You must attend the meeting unless(it is)inconvenient to you.
除非情況對你來說不方便,否則你必須出席這次會議。
Work hard when(you are)young, or you’ll regret.
趁年輕要努力學習,要不然你會后悔的。
(3)連詞+現(xiàn)在分詞。
He fell asleep while(he was)doing his homework. 他在做作業(yè)的時候睡著了。
(4)連詞+過去分詞。
If(it was)untreated, it would produce a powerful poison that would kill the patient.
如果不處理它,它將產(chǎn)生一種導(dǎo)致該病人死亡的烈性毒物。
Though(they were)tired, they went on working. 雖然他們累了,但他們?nèi)岳^續(xù)工作。
(5)連詞+介詞短語。
While(I was)at college, I began to know him, a strange but able student.
我上大學時開始認識他的,他是一個奇怪但有能力的學生。
(6)連詞+不定式。
The patient opened his mouth as if(he was)to speak. 病人張開嘴巴好像要說什么。
You shouldn’t come to his party unless(you were)invited.
除非你被邀請,否則你不應(yīng)該來參加他的派對。