内容正文:
连词和状语从句
考点解读
1、 思维导图
1、并列连词
1).表示连接两个同等概念
使用方法
例示
and,连接并列部分,用于肯定句, 否定句把and 变or
Tom and I are students.
both…and两者都 (两者都强调,谓语动词为复数)
Both Tom and I are students.
not only…but (also),不但…而且 (强调后者,就近原则)
Not only Tom but also I am a student.
neither…nor"既不……也不……" (就近原则)
Neither you nor he is a student.
as well as, with , together with 也(强调前者,就远原则)
The students as well as their class teacher come here.
2).表示选择的并列结构
a. or "或者"
b. either…or "或者……或者……" (就近原则) Either you or I am right.
3). 表示转折或对比
a. but表示转折,while表示对比。Some people love cats, while others hate them.
b. not…but… "不是……而是……"
4). 表示因果关系
a. for是并列连词,不能置于含两个并列分句的句子的句首,只能将其放在两个分句中间。
b. so, therefore
2. 从属连词
1). 引导宾语从句的从属连词有三个:that, if, whether
2). 引导状语从句的从属连词:
从句种类
主要从属连词
时间从句
when, while, as soon as, since, before, after, until, till等
条件从句
if, unless
目的从句
in order that, so that
结果从句
so…that, such…that, so that, so
原因从句
because, as, since
让步从句
although, though
a.时间状语从句中的连词
时间状语从句是由when, a