He is a good boy.这一句里good是定语还是表语?能否举些例子来说明这两者的区别?

( )a good looking boy he is! He is a good boy.(感） He is a good boy.改为感叹句 改错：What good a boy he is! He is a good boy ( )shool I b()what he said.He is a good boy. 英语翻译( )good boy he is John is a good boy.He a( ) helps his classmates. He is as a good boy as Tim.为什么要用as a good boy as? He is so good a boy that we like him这一句和He is a so good boy that we like him意思一样吗?哪里有区别? he,a,is,good,boy连词成句 he is a good boy.改成一般疑问句怎么改? he is a good boy(改为一般疑问句) He is a good boy表语是什么吖 He is a good boy（改否定句） __he is very good at numbers.A.Small boy as he is B.A small boy as he is He is a boy He is ( )boy that we all like him Asuch good a Bso good a Cso a good Dsuch good