改为被动1I saw him go into the classrom.2did he buy you the book

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/11/06 03:59:02

改为被动1I saw him go into the classrom.2did he buy you the book you wanted?第一句,
He was seen to go into the classsrom.he was seen go into the classroom.he was seen going into the classro0m.哪个对

1.He was seen to to into the classroom.
感官动词,see,watch,hear等+宾语+ 宾补.宾补可以是两种形式,doing ,强调动作正在进行；（to）do,主动语态的时候是省略掉to的不定式,被动语态时,要还原to.
再问： see后不是接ING形式吗
再答：不是，see后面可以跟两种形式，你原本的句子当中用的结构是see+sb+do. 就是把to 省略了，所以要加上假如原来的句子当中是see+sb+doing, 改为被动语态就用doing

改为被动1I saw him go into the classrom.2did he buy you the book 改为被动语态：I saw him go into the classrom.2did he buy you the bo We saw him go into the shop yesterday afternoon.改为被动语态.He wa Did he buy you the book you wanted?改为被动__________________you (1/2)He be out because I saw him go into the house.A.may not we saw him walk into the classroom 改为被动语态 i saw him go into the room（变为被动态） I saw our math teacher go into the office just now.{改为被动语态} I saw my teacher go into the classroom just now.(改为被动语态) ( )9.He _______ be out because I saw him go into the house a 哪位天才能改被动语态1、I saw him walk into the next room just now.2、The I saw him singing in the room.改为被动句