I saw him go into the classroom just now .为什么SAW后的动词不是ING形式呢?

i saw him ____(walk)into the I saw him ____ into that room. i saw him go into the room（变为被动态） I saw him go into the classroom just now .为什么SAW后的动词不是ING形式呢? I saw him into the bedroom one hour ago a.go b.going c.to go d.went I saw him go out just now. I saw him go 什么 the classroom I saw him __________(Sunday,May 4th) I saw him ____ into the small store.A went B going C to go D goes (1/2)He be out because I saw him go into the house.A.may not B.m 请说明为什么?I saw him ----the room,but I didn't know when he-----.A going into；left there B go into；left there C going into； left to there D go into；left for there i saw him walk into the next room被动语态 I saw him go out.为什么不能写I saw him went out saw,go,her,the,into,room,I..(连词成句) I saw him to go out to play改错 I saw him come into the classroom.（同义句） I saw him ———— the classroom. 英语将下列句子变成被动语态1.I saw him go into the classroom2. Who often takes care of the old granny? 改为被动语态：I saw him go into the classrom.2did he buy you the book you wantedwho often takes care of the old granny