You're a good a boy改成否定句意思不变?

You're a Good you're a good girl ./Tom is a good boy . 什么意思 You're a good a boy改成否定句意思不变? a,you,boy,are,good(.) O____,you're a good student. you know,I am a good boy. he is a good boy.改成一般疑问句怎么改? He is a good boy（改否定句） Good boy ! You're doing such a good job of_____materials for me(copy rise用哪一个experience mention 四个选一个 You are so good a boy.的句子结构怎么分析?so good a boy?so good a boy?不了解so good和a boy并列作表语? Im a good boy ( ) a good-looking boy You are a good boy.Thanks you哪里错了 Sounds like you're having a good time中文 You're just a good for nothing bum 把 You are a good boy.变成否定句． 连词成句a,good,boy,are,you 连词成句：boy,are,a,you,good