来自巢明的问题
before作连词和介词时有什么区别?
before作连词和介词时有什么区别?
1回答
2020-03-02 22:39
before作连词和介词时有什么区别?
before作连词和介词时有什么区别?
before作连词,是从属连词连接时间状语从句,
在...之前,与after相反.例如:
*Hehadbeenasoldierforthreeyearsbeforehecametoourcity.
*Shehadlearnt2000EnglishwordsbeforeshewenttotheUSA.
before作介词,分三种:
1)表时间,这和上面相似.
*Shelefttheofficebefore9o'clock.
*IfinishedstudyingEnglishbeforemidnight.
区别就是:连词+从句;介词+名词.
2)表顺序,第一、第二、...,也与after相反
*ZhangHonggoesbeforeme.
*Therearefivemanbeforeher.
3)表位置,(较不常用)也与after相反
*Thecarstopsbeforemyhouse.
*Thetalltreestandsbeforeourschoolgate.
一般英语里用infrontof...behind...来表示位置的前后.
*Thecarstopsinfrontofmyhouse.
*Thetalltreestandsinfrontofourschoolgate.