2013年职称英语考试句型语序:从句类型(1)
6 J! k! @. \" u; [% q, h时间状语从句 0 P% u. t& s; ]' V- t! l: x- b
I) when,while和as
* {1 j6 t/ s+ y. Z3 A/ U He entered the room when (while, as) the meeting was going on. 9 _ H3 u3 |9 O5 z/ s' M( C
when 通常指一时的动作或状态,可表示从句动作与主句动作同时发生,或先于主句动作;while常用来引导两个同时进行的持续时间较长的动作;as常用来引导两个动作紧接着发生,强调“同一时间”或“一前一后”。 0 I$ C8 G3 p9 w* E) H$ O# `, }
When I meet the right chance, I will try my best. 6 `& z1 z0 T! l% D+ v
While the teacher explained the text, the students listened attentively and took notes 0 O B$ z r/ H7 o5 H
He sang songs as he was taking a bath. F: D! I* L5 y7 C O7 U: W
As spring warms the earth, all flowers begin to bloom. 5 z, B' [- c* h( M4 P, j
注:when有时作并列连词意为“正在这时”、“突然”,在句末,不能位于句首。从句的谓语动词常用一般过去时,主句通常用过去进行时、过去完成时或be about to结构等。
' ~# L" R3 h( ]7 Y She was about to leave when Mark arrived so she stayed a little longer. . O9 P: X; k* ~
He had been walking under the trees when an apple fell down. 考试用书
1 l# ^# i" x4 z6 P' F, X Ⅱ) as soon as, hardly (scarcely, barely) … when… , no sooner …than… 等引导的时间状语从句,意为“ 一… 就 …”
) _2 Z# g1 x7 W Jack had scarcely /hardly seen me when he left the room. 3 P: s$ s) i3 |( ^
The spy had no sooner returned home than he was told to go to another country. 8 K: B! ]6 Z2 t. _, _) j! X
那个间谍一踏进国门就奉命要去他国。 4 }* h5 P+ w' y7 X
注: 在no sooner … than, hardly … when …引导的时间状语从句中,若把no sooner, hardly, scarcely, barely 放在句首,则要用倒装结构。 * y. {: q/ R: y: s9 e9 m+ Z
No sooner had he heard the news than he fainted. 9 g6 h9 ^2 ]0 s1 X+ v; r
Scarcely had he entered the room when the telephone rang. |