介词加which的用法.doc

1)介词与先行词的习惯搭配Thereisnowayinwhichitcouldbebroughtbacktotheearth.()(in与way是习惯搭配)2)介词与定语从句中的动词,形容词的习惯搭配Thesearethewireswithwhichdifferentmachinesareconnected.(beconnectedwith是习惯搭配)pa-ny.(befamiliarwith是习惯搭配)3)同形的先行词,或定语从句中的动词,形容词表示不同的含义时,要根据其含义选用不同的介词。Ican'“年岁”,与at搭配;在后句中意为“时期”,与in搭配。4)复杂介词须保持其完整形式,常见的复杂介词有onthetopof,inthemiddleof,infrontof,inspiteof,atthebackof,becauseof等。Wetookaphotoofrocket,thelengthofwhichwasabout30me-tres.(),)短语动词中的介词不可与动词分开提至关系代词前。常见的短语动词有listento,lookat,dependon,payattentionto,takecareof,lookinto,breakinto,getridof,takepartin,makeuseof,takeholdof,catchholdof,catchupwith,getalongwith,lookforwardto等。此时可用which,who,whom或that,也可将他们省略。(误)Thisisthegirlofwhomhewilltakecare.(正))当介词与定语从句中的动词或形容词联系紧密(但不是短语动词)时,介词也可放在动词或