doesn't rain 和 isn't rainy 哪个是动词填空,哪个是词形变化

是 isn't rain 还是 doesn't rain rain 是动词还是名词啊～isn't rainy isn't rain?doesn't rain? doesn't rain 和 isn't rainy 哪个是动词填空,哪个是词形变化 if it doesn't 和 if it isn't什么时候用 有啥区别 If it——（not rain）tomorrow 为什么用doesn't? Tomorrow is Sunday,Jim will go hiking with his friends if it ( )A.isn't rain B.doesn't rain C.won't rain D.don't rain we will go shopping if it _ tomorrow.A.don't rain B、didn't rain C.doesn't rain D.isn't rain选哪个 The students will go to Summer Place if it___ tomorrowA don't rain b won't rain c doesn't rain d isn't rain will go phopping if it ( ) tomorrow.A.don't rain B.didn't rain C.doesn't rain D.isn't rain 请简要说明一下理由, If it doesn't rain tomorrow ,I'll go hiking.为什么用doesn't而不用isn't? It looks like rain,isn't it?为什么不是doesn't it?呢 isn't working 和doesn't work的区别是什么 They'll have a picnic if it ____ tomorrow.A.doesn't rain B.don't rain C.isn't raining D.won't rain He wants to know if if___tomorrow.A.rains B.doesn't rains C.will rain D.isn't rain if it doesn‘t rain 【not rain】 tomorrow,we will go for a picnic为什么用doesn‘t而不用isn’t They will go to Great Wall if it_____tomorrow.A.isn't rain B.rains C.doesn’t rain D.won't rain She'll go hiking with you if it___tomorrowA.will tain B.won't rain C.isn't rain D.doesn't rain If it ________ tomorrow,we’ll go roller-skating.A.isn’t rain B.won’t rain C.doesn’t rain we'll go for a picnic if it ___ this Sunday.a.won't rain b.isn't raining c.doesn't rain d.don't rai if it ——tomorrow we will have a picnic..A.won't rainB.doesn't rainC.isn't rainingD.n't rain.B和C的区别是什么?what if he ——?A.A.won't comeB.doesn't comeC.isn't comingD.wouldn't come..与上题类似..可我也不明白B和C.