主从复合均定叉、包含两个或多个主谓结构，并且其中一个主谓结构充当主句，另一个或多个主谓结构为从句，充当该主句的主语、表语、宾语、定语或 状语，这样的句子叫做复合句。 重点：状语从句、定语从句主要考引导词的选择一主语从句在整个句子中充当主语的从句。可以由从属连ii that, whether等引导；也可以由连接代词what， which, who以及由连接副词how, when, where, why， as等引导。e.g. (That) we shall be late is certain.Whether they will come isnt quite clear.What she did is not yet known.How the pupil finished the model ship is hard to know.How strange it is that the children are so quiet!二宾语从句(包括间接引语)在主句中充当宾语成分，即跟在及物动词后面、不及 物动词加介词后
