一般现在时It rains变否定☞It does not rain否定这个rain为啥要变成原型了？
原句:But it rains sometimes.改为一般疑问句:But does it rain sometimes?否定回答:No,it doesn't.
你好!It rains every day.It doesn't rain every day.
isn't raining
否定句 It will not rain tomorrow.一般疑问句 Will it rain tomorrow?肯定回答 Yes, it will.否定回答 No, it won't.