GrammarAttributiveClauses定语从句•定语从句(AttributiveClauses)在句中做定语,修饰一个名词或代词,它的作用相当与一个形容词,因此也叫形容词性从句
被修饰的名词,词组或代词即先行词
定语从句通常出现在先行词之后,由关系词(关系代词或关系副词)引出
Forexample:•Thisisabookwhichtellsaboutspacerockertechnology
先行词关系代词定语从句关系代词有:who,whom,whose,that,which等
••关系副词有:when,where,why等关系代词who,that作主语•1
Yourfriendcametoseeyouyesterday
YourfriendstudiesinBeijingUniversity
Yourfriendwho/thatstudiesinBeijingUniversitycametoseeyouyesterday
关系代词whom,that作宾语•1
Heistheman
Youhavebeenwaitingfortheman
Heistheman(whom/that)youhavebeenwaitingfor
关系代词which,that作主语•1
Itsoundedlikeatrain
Atrainwasgoingundermyhouse
Itsoundedlikeatrainwhich/thatwasgoingundermyhouse
关系代词which/that作宾语•1
Theearthisabigball
Weliveontheearth
Theearth(which/that)weliveonisabigball
关系代词whose作定语•1
Doyouknowtheman
Theman’swatchism