1、我们先通过一个题目，了解一下其中的引导词。This cinema is where theMay Day Concert is about to held.这就是五月天演唱会将在这里举行的电影院。
2、我们首先来了解一下从句的各种类型N1 名词性从句，名词性从句在句子中可能充当多种成分，如主语表语等例句：It is impossible that you can fly.
3、N2 形容词性从句形容词性从句一般常见充当定语从句例句：The girl who has been professed by many boy is beautiful .
4、N3 副词性从句常见使用在状语从句中例句：You may win if you try.
5、接下来我们梳理一下连词的类型：上述所讲的N1和N3的引导词常见有三类n1 在从句中无成分无含义的that，或有含义的if例句：He said that he would always love me.
6、n2 连接代词 who/whom等这些词一般在句子中有含义，可以作主语表语等等例句：She is whom I hate.
