用Let's写一句话 用Shall we写一句话 用Why don't you 写一句话

用Let's写一句话 用Shall we写一句话 用Why don't you 写一句话 let’s play chess,shall we?为什么用shall we问? Let's go into the post office.shall we?为什么要用shall we Let's play volleyball,shall we/will you/do you?应该用shall let's和let us哪个用will you哪个用shall we? let's 反问用shall we ,let us 用will you Let's have a rest shall we?为什么用Sall we 英语语法问题：let's后反义疑问句用shall we.那么let's not后呢?举个例子! 英语语法问题：let's后反义疑问句用shall we.那么let's not后呢?举个例子!谢谢! let 's go (camp) together ,shall we?用所给词的适当形式填空 Let's forget it,shall we. Let's forget it,shall we. let's ()(start) our lesson ,shall we Let's decide( )and( )we shall meet let's反意疑问句let's改反意疑问句究竟用shall we还是shan't we?两者有什么区别呢?为什么很多例句都写两个都可以? 为什么Let's的反义疑问句用shall we,而Let us的反义疑问句用will you Let's look at that book again,shall we?shall we为什么可以单独出来,这是什么结构如果用should we?这样的放后面可以吗 Let's take a walk ,shall we 是祈使句么?祈使句后不是要用will we 么