内容正文:
语法专项知识清单:状语从句
状语:用来修饰形容词,副词,动词或全句的句子成分叫状语;它可以表示时间、地点、原因、目的、结果、条件、让步、比较、方式等。当充当状语的部分是一个句子时,也就是状语从句。
一、状语从句的掌握要点:连词的意义及用法比较,时态的一致性及先后关系,语序为陈述语序,时间及条件状语从句用一般现在时表将来。
二、状语从句的分类:1.时间状语从句2.地点状语从句3.原因状语从句4.条件状语从句5.目的状语从句6.结果状语从句7.让步状语从句8.方式状语从句9.比较状语从句
(一)时间状语从句
1.
连接词
含义
用法
as
“随着” “一边….一边”
主、从句的动作同时发生
_____ you grow older,you ’ll know more.
She always sing _____ she walks.
when
“当….时候”
主、从句的动作同时或先后发生。
______ he was 16 years old,he moved to China.
We were having a meeting ______ a rain came
while
“当….时候”
强调主、从句的动作同时发生。(从句动词必为持续性或表状态的词)
_____/_____ he was sleeping , a doorbell rang.
The weather was fine ____/_____ we were in Shanghai.
“然而”
强调前后两者的对比。
I like western food _____ my parents like Chinese food.
2.until、till “直到……”
until可放在句首,till 不可以。否定句中一般用until,“not……until”直到……才……
I don’t know anything about it ______ you told me .
注意:not until位于句首 ,主句要部分倒装。
Not until the teacher came in did the students stop talking.直到老师进来学生们才停止讲话.
3.before “在……之前”;after “在……之后”
It will be+一段时间+before…… 要过……时间就……
It won’t be+一段时间+before…… 要不了……时间就……
①It will be five days before my father comes back home.
____________________________
②It won’t be a long time before the train leaves.
____________________________
4.since “自从”,引导时间状语从句,主句常用完成时态,从句用一般过去时。
①It ___________(be) 10 years since I ________(work) here.
②Great changes ____________(take) place since you _______(leave) this city.
5.表示“一……就……”的引导词
as soon as;instantly;immediately;directly;no sooner…than;hardly…when…
① As soon as I get to Beijing,I ’ll call you.
② No sooner had I seen him than I asked him about the matter.(部分倒装)
③ Hardly had they arrived at the airport when the plane stared to leave.(部分倒装)
6.表时间名词短语的引导词
every time;next time;the first/…time;the moment;the minute/…;
① Every time I see him,he is working hard.
② I recognized him the minute I saw him .
(二)地点状语从句
引导词 表确定的地点:_______在……地方;表不确定的地点:________ 无论哪里……
①I live______the road crosses the river.
②___________ they go, they will be welco