初中英语语法总结(从句)从句分为定语从句,状语从句和名词从句三大类。定语从句又分为限定性和非限定性从句两种,由关系代词或关系副词引导,修饰主句的某个成分。状语从句分为时间、结果、让步、原因、条件及行为方式状语从句。名词从句包括主语、宾语、表语和同位语从句及there be句型。定语从句l 限定性定语从句that可代表人和事,而which只代表事;二者在从句中作主语或宾语。that作宾语时常可省略,which则不能,而且其后的“不及物动词+介词中的介词不能省略。which作宾语时,先行词与which之间的介词不能省。例如:1.The first doll that could say “mama” was invented in 18302.The second half of his voyage was by far the more dangerous part,during which he sailed round the Cape Horn代表a11,anything,something,nothing,much时,用th