I'm sure the young man doesn't fully realize how serious his crime is这句话为什么把is放在最后.相似的句子举个例子

I'm sure. I'm not sure THE BOOKS COST ME TEN DOLLARS 改同义句（1）I'm not sure what I can buy for my brother.(改同义句）I'm not sure __ __ __for my brother.（2）The young man is so strong that he can carry the heavy box.(改同义句）The young man is __ __ _ 英语翻译I'm sure you'll succed in the future? I’m sure he will win the game一般疑问句 I'm sure the a___ will be yes I’m sure about it. I'm sure we will. I'm not sure 快 I'm not sure yet. I'm sure win 翻译 I'm not sure()( 至今) 英语 同义句转换 2道1.I'm not sure what I can buy for my brotherI'm not sure ____ _____ ____ for my brother2.The young man is so strong that he can carry the heavy boxThe young man is strong ____ ____ carry the heavy box. I'm sure that I'm the wolf being in the sheep skin. while i'm still young I' m sure i can do I'm sure I am not wrong I'm not sure.Ask Jim.He m＿ know the answer.