2、Not until …在句首,主句用倒裝。
例如:Not until the early years of the 19th century did man know what heat is.
直到19 世紀初,人類才知道熱能是什么。
Not until I began to work did I realize how much time I had wasted.
直到我開始工作,我才認識到了我已蹉跎了幾多歲月。
1、如果hardly, scarcely 或no sooner等置于句首,句子必須用倒裝結(jié)構(gòu):
例如:Hardly / Scarcely had I got home when it began to rain.
No sooner had I got home than it began to rain.
由because , since , as , for , now that 等引導
例如:As the weather was fine ,we decided to climb the mountain.
第二節(jié) 實戰(zhàn)演練
由連接詞though, although, even if , even though, as 等引導。但要注意從句用了though主句就不能用but。
例如:Although it’s raining ,they are still working in the field.
Boy as he is , he knows what is the right thing to do.
引導方式狀語從句的從屬連詞有as,(just)as…so, as if (though). As引導的方式狀語從句通常位于句首。As在句中帶有比喻的含義,意思是“正如……, 就像…… ”。
例如:It looks as if the whether may clear up very soon.
As water is to fish so air is to man.
由that, so that…或such…that引導。
例如:It is such a difficult problem that nobody can work it out.
由so that… , in order that , lest , in case , for fear that 等引導的從句的謂語動詞常與can , may , could , might , should 等情態(tài)動詞連用。
例如:Take an umbrella in case it should rain.
Ask him to hurry up with these letters in order that I can sign them.
由連接詞as…as、than、not so…as…等引導。
例如:He speaks English much better than any other student in his class.
由連接詞if, as long as, on condition that , supposing 等引導。如果主句用一般將來時,從句應(yīng)用一般現(xiàn)在時。
例如:As long as you keep on trying , you’ll certainly succeed.
We will let you use the room on condition that you keep it clean and tidy.
地點狀語從句由where, wherever引導。
例如:Make a mark where you have any questions.
Where there is a will, there is a way.
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