连词用法归纳及练习

、概说

连词是一种虚词，不单独用作句子成分。可分为并列连词和从属连词。 、并列连词的用法

1. 表转折关系：but, yet, while 等。

注意：⑴but 的特殊含义：

① Excuse me, _but I don't think that's quite true.

连词用法归纳

“但是”，用于道歉

② Not you but I am to blame. ③ She knows no one but you. ④ He was the last but one to arrive. ⑤ You can't help but respect them.

not …but … “不是 …而是...”

“除了，只”，多用于否定句 “倒数第二个” “不得不”

【即时练习】

① Some one borrowed my pen, but I don't remember who. ② The child had a bad cough, so his mother took him to the doctor. ③ The weather is mild today; it is neither hot nor cold. ④ Both New York and London have traffic problems. ⑤ The work is more or less finished. ⑥ Dress warmly, or else you'll catch cold. ⑦ Later, however, he changed his mind. ⑧ He eats nothing but hamburgers.

⑨ Work hard and you'll pass the exam in ati ons

⑩ People who are either under age or over age may not join the army.

(2)but 不能与although 连用，而yet 可以。

⑶but 与however 的区别。however 视为副词，位置灵活，逗号之前。

2.表因果关系：for, so 等。如：

注意：①for 的从句不能位于原因之前。

② for 不能用于回答问题。

③ for 不能位于not, but 或任何连词之后 ④ because 不能和so 连用。

3. 表并歹U 关系 :and , or , either •…or, neither •…nor, not only •…but (also), both •…and, as well as, when(=and just at this time 就在这时)等。

注意and 用法：祈使句 + and 注意or 用法：①

Hurry up, or you'll be late for school. ② He must be joking, or else he's mad. ③ He was not clever or good-looking. “否则” “要不然就”

用于否定句，代替 and

④ 习惯用语： more or less “或多或少”

one or two “一两个”等

三、从属连词的用法

（一）时间状语从句

1、表示“当…时候”：when, while, as, whenever。

注意①when和as区别：瞬间性动词：when ;延续性动词：while。

②as引导时，其谓语动词不能是静态或状态动词。

2、表示"在…之前（或之后）”：before, after。

3、表示"自从”或"直至U”：since, until, till 。

4、表示"一…就”：

①as soon as ② the moment/ minute/ second/ instant

③once ④ immediately/ directly/ instantly （~ly）

⑤ no sooner …than, hardly/ scarcely …when 等。

5、表示"上次”、"下次”、"每次”等：every/ each time （每次）,（the） next time（下次）,

any time（随时）,（the） last time（上次）,the first time（第——次）。

【即时练习】

①We lose a few ski n cells every time we wash our han ds. （改错）

②He finished it until it was dark. （改错）

③Don't talk while you're eating. （改错）

④She's been playing tennis since she was eight.

⑤rII let you know as_soon as I hear from her.

（二）条件状语从句

这类连词主要有：if, uni ess, as/so long as, in case 等。

回顾if和whether的区别。

unless除非，相当于if not

（三）目的状语从句

主要的有:in order that, so that, in case, for fear that 等。

注意：in case可表示条件，意为"如果""万一”

可表示目的，意为“以防”“生怕”

（四）结果状语从句

主要的有:so that, so …that, such …that 等。

（五）原因状语从句

主要的有:because, as, since, seeing （that）, now （that）, considering （that）等。改错：① Because I was ill for six mon ths, so I lost my job.

②The reason why rm late is because I missed the bus.

③He is here because you .

（六）让步状语从句

主要的有：although, though, even though/if, while, as, 特殊疑问词+ ever 等。

注意：though可以做副词，单独使用，但不能倒装。as只能用于倒装句。（七）方式状语从句