I have a good idea.(否定句)

I have a good idea.(否定句) I have a good idea .(改为否定句） I think he has a good idea.改为否定句,has要不要变回have? I have an idea 变否定句 I have a good idea! 是什么意思呢 I think it is a good idea.（改为否定句）…… i think it was a good idea to watch tv 改为否定句 把I have a good kite改为否定句 I have found a good job.改为否定句 It's a good idea.(改为否定句) That sounds a good idea.的否定句 英语句子变否定句?I have a good time.A.I doesn't have a good time.B.I