be doing 和will do 和be going to do 的区别

be doing 和will do 和be going to do 的区别 be going to do 和be doing用法的区别? be doing和be going to do的区别 be going to do和be doing的区别,急, will be 和will be doing 和be going to do 三者区别. be going to表将来、be doing表将来和will/shall+do三者间的区别 be going to do/be doing/will do/be to do等 的区别~ be going to do和be doing 都能表将来,区别是什么?will do 和be doing表将来的区别是 be going to do和be doing和want to do 三者之间的区别 will 和 be going to do sth.的区别 区别be going to do/will do/will be doing/be to do 将来时态的区别be going to;will do;be doing;be to do;be about to do