He thinks it's good.改为否定句

He thinks it's good.改为否定句 it's good exercise改为否定句 I think it's boring的否定句 He thinks it's boring的否定句 He thinks he can play the erhu 改为否定句 It's a good idea.(改为否定句) She thinks it's relaxing的否定句 It look good.改为否定句 I believe it's good for your health改为否定句I ()()()good for you He thinks she is a good girl.的否定句怎么变? It's a kite.改为否定句 It's an apple.(改为否定句) It's his jacket.改为否定句