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?

If it doesn't rain tomorrow ,I will visit the Great Wall.为什么用doesn't? does it matter if和it doesn't matter if这两句话是什么意思 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? I hope to hear from you,but it doesn't matter if I can't. I don't know if it ____tomorrow.If it ____,we'll go out for a picnic.A.will rain,doesn't rain B.rains,doesn't rain If it doesn't rain tomorrow ,I'll go hiking.为什么用doesn't而不用isn't? If it doesn't rain tomorrow,I will go fishing.为什么要用doesn't而不用isnt If it doesn't raintomorrow,I will go out with you这句话中的doesn't用的对不对 It doesn't matter ( )I rest or not A.if B.whethIt doesn't matter ( )I rest or notA.if B.whether C.that D.when I ill go to (Beijing ) if it doesn't rain tomorrow.(对括号内容提问 If it doesn't kill you it only makes If he doesn't finish it ,------- -------- she.填什么 please tell （ ） about it if （ ） doesn‘t know it doesn't matter后面加that还是if? this weeked if it doesn't rain.译句 I won't give it to her ,if she doesn't ask for it.等于什么I won't give it to her ___she for it i won't give it to her,if she doesn't ask for it.(同义句） i won't give it to her_she_foe it If i can’z be with the one i iuv ..it doesn't matter whom i be with