職稱英語:狀語從句
所謂狀語從句,是指用來說明主句行爲(或狀態)發生的時間、原因、條件、地點、目的、結果及方式等。
1) 時間狀語從句:記住以下連接詞的`意思和重點:
(1)when / while / as (當…時侯)
注意:while除了做時間狀語的連接詞外,還解釋爲"雖然…","而…".
例如:He is very diligent, while she is very lazy. (他很勤奮,而她卻很懶。)
(2)before (after) 在…之前(後)
(3)until / not until(直到)注意:not until放在句首時,往往要求倒裝(詳見"第七講")
(4)as soon as / once (一…就…)
(5)immediately / instantly / directly 原本是副詞,這裏作連接詞,表示"一…就…",
例如: I knew I had made a mistake directly (或用immediately / as soon as) I had done it. (剛做完這件事,我就知道我做錯了。)
(6)the moment / each time / every time / next time / the first time / the instant / the year原本是名詞或副詞,這裏作連接詞用。
(7)hardly (scarcely)…when… / no sooner…than…"一…就…"
注意:這是時間狀語考試的重點句型,一是不要把兩個句型中的when和than的搭配搞錯了,二是要用倒裝語序(詳見"第七講")。
例如:
Hardly had I sat down when the telephone rang. (我剛坐下,電話鈴就響了。)
重點:在時間(和條件)狀語中,用一般時代替將來時。
例如:
We'll start as soon as the leader ______. (領導一來就開始。)
s come
根據英語"時態一致性"原則,主句與從句的時態應一致,答案似乎應該是B或C,但是正確答案是A,因爲在時間狀語中,用一般時代替將來時。將上句改爲過去時,道理也一樣:
He said (that) we would start as soon as the leader _____.
coming d come s
答案應爲A