介词专练介词专练 抛砖引玉Her books are on the desk.My basketball is under the bed.Your pencil-case is in your bag.Please call me at 350-8732.You are a student.What about him?Thank you for helping me.This is a photo of my family.She has a house with a big garden.归纳onunderinataboutforofwith 在在上面上面在在下面下面在在里面里面在在关于关于因为；为了因为；为了的的具有具有;与与在在后面后面在两者之间在两者之间 behind between middle to past near在中间在中间差差；向；向过过；经过；经过靠近；接近靠近；接近总结 在英在英语语中，介中，介词词是一种虚是一种虚词词，不喜，不喜欢欢独来独来独往，独往，不能不能单单独担任句子成分。独担任句子成分。当当代代词词作介作介词词的的宾语时宾语时需用其需用其宾宾格格形
