连词用法归纳 一、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。 二、并列连词的用法 1. 表转折关系: but, yet, while 等。 注意：(1) but 的特殊含义： ① Excuse me, but I don't think that's quite true. “但是”，用于道歉. ② Not you but I am to blame. not ... but ... “不是...而是...” ③ She knows no one but you. “除了，只”，多用于否定句 ④ He was the last but one to arrive. “倒数第二个” ⑤ You can't help but respect them. “不得不” (2)but 不能与 although 连用，而 yet 可以。 (3) but 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：① for 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. 表并列关系: 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. “否则” ② He must be joking, or else he's mad. “要不然就” ③ He was not clever or good-looking. 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 【即时练习】 ① Someone 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 examinations ⑩ People who are either under age or over age may not join the army. 三、从属连词的用法 (一) 时间状语从句 1、表示“当…时候”：when, while, as, wh...
