2013年职称英语考试句型语序:从句类型(1)# ?6 d9 }/ e x
时间状语从句
: P$ L4 W+ O$ T+ z I) when,while和as 6 L. A6 @! m" Z
He entered the room when (while, as) the meeting was going on.
6 J$ ?8 {- u8 _. m+ i& Y/ 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”。 % M+ Y) X+ A* `* U8 l; @
When I meet the right chance, I will try my best.
/ {6 G. m7 G- o. F# O While the teacher explained the text, the students listened attentively and took notes
" z; {3 e. z) G' d& Y He sang songs as he was taking a bath. 3 L# Z& y. W" p8 o( q
As spring warms the earth, all flowers begin to bloom. 2 W8 f6 K6 r: u. Z9 g
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。
1 y! U+ U9 H% m' Y3 h1 [& \$ ?5 n She was about to leave when Mark arrived so she stayed a little longer. ; K" @( e, C# W1 l6 P; D
He had been walking under the trees when an apple fell down. 考试用书
' R' ]* d: g+ _& p1 R# a$ c 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 …” 4 G. v! k5 @1 Z) v) }+ y; S
Jack had scarcely /hardly seen me when he left the room. . F; l2 ~6 {1 W( o& J
The spy had no sooner returned home than he was told to go to another country. 7 L% L6 _! V2 G
那个间谍一踏进国门就奉命要去他国。 0 K2 M: a% a/ u$ ?* n4 m
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。
# t$ V! Z# R: T1 V5 \8 O, S No sooner had he heard the news than he fainted.
\( f! n( n- R( v/ x7 F Scarcely had he entered the room when the telephone rang. |