be going to do和will结构的异同是什么要精简！

be going to do 和will do和 be doing都能表将来吗? will 和 be going to do sth.的区别请学长们指教:will 和 be going to do sth.还有 will 和 shall 的区别. be to do,be going to do,will do,be about to do的区别. be going to和will do和be about to do和be to do和be doing都表示将来,有什么区别.怎么用 be going to do sth.和will do sth.有什么不同? be going to do 和will do 都表示一般将来时,有何区别 表示天气这方面,will be 和be going to do用哪个呢 be going to,be doing,will do有什么区别 will be 与be going to do 的用法 be to do.be going to do.be doing.will do.有什么区别? be going to do/be doing/will do/be to do等 的区别~ will和be going to的用法 be going to和will的区别 will和be going to的区别 be going to 和will的区别 will和be going to的区别? be going to 和will的区别 will和be going to的区别