We will have a picnic if it ISN'T rain tomorrow.这个句子中为什么用 isn't 而不用 doesn't 呢?讲解一用doesn't吗？能不能讲解一下啊？

We will have a miracle We will have a miracle 英语翻译Before going out on Sunday,they will have a meal,which is called “brunch” “br” from “breakfast” and “unch” from“lunch”.They will make it at home or go to a restaurant nearby.After brunch some Americans may have a picni have a picni 和 for a picnic 的区别是和用法、例句还有speak 和 say 的区别 和用法 We will have a picnic tomorrow. When will we have a field trip We will have a bitch of time we will have a party____next Sunday We will have a meeting等于什么 Hope we will have a happy We will have a miracle !是什么意思? Will we have a DVD player? we will have a two-week holiday(改成同义句)we will have two __________ __________ We will have a long v____ after a few fays we have not decided_______ Aif will have a school trip B when we would have a school tripCif we will have a school trip ____ telephones in our pockets.A We all will have B We will all have C We will have all D Al____ telephones in our pockets.A We all will have B We will all have C We will have all D All we will have We will have a good time.(意思相同）We will ____ ____.怎么改 改错：We will going to have a party. We will have a warm w什么 this year.