3、e，since，as引导条件状语从句if，unless，once引导目的状语从句so,so that，in order that引导让步状语从句although，though，even if，even though引导地点状语从句where， wherever引导比较状语从句than，as引导方式状语从句as，as if，as though引导结果状语从句so，so that，so...that...，such...that...2016年高考全国卷Ⅰ第65题（语法填空）考查了连词when；第7
4、2题（短文改错）考查了连词though与but不能连用，须去掉but；第76题（短文改错）考查了连词or变为and。2017年高考全国卷Ⅰ第73题（短文改错）考查了连词so变为but或yet。I.连词分类及作用欢迎加入高考志愿群散步:理科一QQ群：492306131;理科二QQ群654234510;理科三QQ群：183150065；文科QQ群：492199588II.常用连词用法解析一： 并列连词 1．表示平行或对等关系 。and和 ； or或者； both...and...两者都； nei
5、ther...nor...既不......也不......；not only...but(also)....不但......而且...... ；as well as也 欢迎加入高考志愿群散步:理科一QQ群：492306131;理科二QQ群654234510;理科三QQ群：183150065；文科QQ群：492199588They are singing and dancing in the classroom. My father never smokes or drinks. Not only
6、 you but also she has to clean the classroom. Jack as well as his sisters likes to play the piano. 2．表示转折关系。 but但是；however然而（其后通常加逗号）；yet然而； while然而； while而，常用来表示前后鲜明的对比 She hasn't got a computer, but her brother has. It will be sunny but cold. So
7、me people love pets, while others hate them. These apples don't look nice, yet lots of people buy them. 3．表示选择关系。 or或者；否则 not...but...不是......而是......； either...or...或者......或者......连接两个主语时，谓语动词应当与or后面的主语在人称和数上保持一致。 在并列的否定句中，用or代替and构成完全否定，如果所
8、连接的两部分都有否定词，用and而不用or连接。 Don't ride so fast or you'll get hurt. Either he or I am going to the movie. 4.表示因果关系。for因为 so因此，所以 The days are short, for it is November now. I felt very tired so I went to bed early.二：从属连词 1.引导宾语从句的从属连词。主要有that(无词义，可省略)，
