初中英语知识点微课课件考点精讲 同课异构 58 从属连词

从属连词
He fell off the bike ________.
A. while he rode B. while he was riding
C. while he is riding D. while on bike
一、典例精析
【解析】本题主要考查的是while 引导的时间状语从句，一般而言，主句的动作发生在从句之中，故从句要用进行时态，故选B。
【答案】B
连 词
连词分为并列连词和从属连词两大类。并列连词是连接主语与主语，谓语与谓语，句子与句子，分词与分词的词，它要求前后两部分有相同的形式和语法作用；而从属连词一般连接主句与从句，从句形式有名词性从句，定语从句和状语从句等。
二、考点剖析
从属连词---用来引导从句。常见的从属连词有：
(1)引导时间状语从句的after, before, when, while, as, until, till, since, as soon as等。
(2)引导条件状语从句的if, unless等。
(3)引导原因状语从句的because, as, since等。
(4)引导目的状语从句的so that, in order that等。
(5)引导让步状语从句的though, although, even if等。
(6)引导结果状语从句的so that, so…that, such…that等。
(7)引导比较状语从句的than, as…as等。
(8)引导宾语从句的that, if , whether等。
Mr. White was taking a shower _____ the UFO landed on the street.
A. where B. while C. when D. whether
C
While Mr. White was taking a shower，the UFO landed on the street.
“when” 和 “while”
when引导的状语从句的动作多为终止性动词，也为可持续动词；但while只能是可持续动词。
我会一直工作到你回来。
I will work till you come back.
not…until/ till 直到……才 …till 直到……为止
翻译：我会到你回来时才睡觉。
I won’t go to bed until/ till you come back.
我父亲直到我们吃完饭时才回来。
My father ______ come back until we had supper.
翻译：他直到3岁才会讲话。
He ______get up until his mother wakes him up.
didn’t
他经常等到妈妈叫他才起床。
He _________ speak until he was 3.
couldn’t
doesn’t
He took the MP3 player with him _____ he could enjoy music during the trip.
A. because B. so that C. when
B
他起早是为了赶上早班车。(表目的)
①He got up early so that he could catch the early bus.
②He got up early so that he caught the early bus.
他起早，结果赶上了早班车。（表结果）
He got up so early that he caught the early bus.
so…that
so that：①为了； ② 所以，结果
如此……以致
三、巩固提升
My sister ______ go to bed _______ my mother came back last night.
not until B. doesn't; until
C. didn't; until D. aren't; until
【解析】句意：我妹妹昨晚知道我妈妈回来才上床睡觉。固定短语not…until…直到……才……，last night昨晚，是一般过去时态，所以此句借助助动词did,故选C。
【答案】C
连 词
连词分为并列连词和从属连词两大类。并列连词是连接主语与主语，谓语与谓语，句子与句子，分词与分词的词，它要求前后两部分有相同的形式和语法作用；而从属连词一般连接主句与从句，从句形式有名词性从句，定语从句和状语从句等。
用法
从属连词---用来引导从句。
从属连词
四、思维导图