定语从句一个句子充当定语称之为定语从句
被修饰限定的词叫先行词,引导定语从句的词叫关系词,包括关系代词和关系副词
定语从句可分为两种,即限制性定语从句和非限制性定语从句
基本概念先行词是物先行词是人定语地点状语时间状语主宾主宾关系代词whichthatwhowhomwhose关系副词wherewhenwhy原因状语关系词关系代词关系副词thatwhichwhomwhoseaswhenwhywhowhere正确使用关系词主语宾语表语定语状语指代人或物功能指代时间地点原因功能选择依据:1)弄清关系词在从句中作什么成分,是主语、宾语、定语还是状语2)辨别先行词表示的是人、物、事还是时间、地点、原因3)判断从句是限制性的还是非限制性的(只有that,why不能引导非限制性从句)(主句)ThegirlisMary
Thegirlisreadingabook
Everyonelikesthegirl
ThegirlisMary
whoisreadingabookwhomeveryonelikes3
Thegirl'shairisgold
whosehairisgoldthatwhothat()(主句)Thebookisonthedesk
ThebookbelongstoMary
Marylikesthebookmost
Thebook'scoverisblue
Thebookisonthedesk
whichbelongstoMarywhichMarylikesmostwhosecoverisbluethatthat()关系代词that和which在很多情况下可以互换,但哪些情况只能用that
Allthatcanbedonehasbeendone
Thereisnodifficultythatwecan’tovercome