shan't和shouldn't 的区别请相信给我分析一下,特别是虚拟语气方面

shan't和shouldn't 的区别请相信给我分析一下,特别是虚拟语气方面 Shan't / shouldn't We needn't get ready yet;the guest ______ come for another hour.A.shan'tB.shouldn't最好再归纳一下它们的用法与区别! mustn't/can't/won't/shan't的用法和区别,请详细一点. couldn't和shouldn't的区别,急要 shouldn't have done 和shouldn't do 区别 needn't和 mustn't和shouldn't和ought't的区别? shan't的用法? shan't的原型 区别shouldn't have done 和 needn't have done shall not 的缩写,是shouldn't吗是不是shan't网上很多人都说是这样 should和had better的区别 shouldn't和had better not的区别、、、、、、、、、、、、、 couldn't 和shouldn't 区别,You( )play computer games very often.A.couldn‘t B.shouldn't 为什么shall not缩写不能是shouldn't而是 shan't? mayn't be ,can't be,mustn't be,shouldn't be的区别 shouldn't,needn`t,don`t have to、won`t的区别, should shouldn't 和 ought ought not to这两组的区别 请问what dose it mean?it means you shouldn't smok.这组问答的答句和it means you shouldn't cycling here 有什么区别? should 和 shouldn't 分别+