if it doesn't 和 if it isn't什么时候用 有啥区别 If it——（not rain）tomor

if it doesn't 和 if it isn't什么时候用 有啥区别 If it——（not rain）tomor we will go there if it （ ）.a.isn’t rain.b.doesn’t rain. 为什么是If it doesn't rain tomorrow,we'll go there.而不是If it isn' I will go to Beijing if it doesn't rain.If it doesn't rain,I if it——,we will go to the park tomorrow.A,doesn't rain B,isn if it doesn‘t rain 【not rain】 tomorrow,we will go for a picn 几道英语填空If it doesn't rain,we suggest _____(not take) the rain If(如果 ）It __rainy.(doesn't/isn't/won't be/won't） My brother____with his friends tomorrow if it doesn't rain. l think he if it doesn't rain this weeked if it doesn't rain.译句 If it doesn't rain .whether you will think me or not的翻译