时间状语从句 时间状语从句主要由以下连词引导:when, whenever, as, while, since, until, till, before, after, as soon as, once, hardly (scarcely) … when, no sooner … than。
: Z% ~* l, n- M' \8 R I will discuss the matter with you when we meet tomorrow.
" Q9 W" e: j7 ]/ C. j$ v. r He didn’t go to sleep until he finished doing his homework.中华考试网(www.Examw。com)) H3 E, {3 s1 q- |$ s
You have changed a lot since we met last time.
- z/ [5 q; I1 r, [ f4 F* l; d 时间状语从句还可由某些可充当连词的名词(the moment, the instant, every time,等)和副词(instantly, directly等)引导:
3 k' G& y5 O e$ O I will tell you the news the instant I know.5 D0 Y4 m) W6 r. T. ]
Directly the teacher came in everyone was quiet.
0 v1 ?5 v3 V; q- E/ ~ Note:
' {# P0 p7 H h. Q9 u ① before除了可表示 “在…之前”外,还可用来强调主句所表达的时间、距离很长或花费的力量相比较大,可译为“…才”。(“not … before” 可用来强调主句所表达的时间、距离很短或花费的力量相比较小,可译为“…就”)。% w. N7 r$ U& `/ O: l3 l
It was a long time before I got to sleep again.
( ]2 d+ E1 ^' G$ J; b* \6 X) ] They had not been married a month before they quarreled.www.ExamW.CoM
1 g, G/ F7 ^9 W9 K2 ? ② 如果位于when引导的分句之前的主句使用过去进行时、过去完成时或“was/were about to, was/were on the point of”等结构时,when表示突然发生某事,可译为“正在…突然”或“刚…就”等。这时,不能够用as或while来代替when。" \1 r0 l* K9 \6 a/ c2 u G
I was walking on the street when I ran into my old friend John.
) ^# ?' T1 }# B n# K& b She had just fallen asleep when the telephone rang." d' z$ b. }! m/ b2 k X
We were about to leave when it began to rain. |