be to do和一般时表将来的区别

be to do和一般时表将来的区别 be going to表将来、be doing表将来和will/shall+do三者间的区别 be to do和be doing在表将来的时候用法有什么区别? 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 doing (现在进行时表将来）和be going to do有什么区别 怎么区别一般现在时表将来,现在进行时表将来和be going to 表将来 be going to be/do和be doing 的肯定句 否定句 一般疑问句 （将来式） 将来时有BE DOING么?be going to do和BE DOING是算在现在进行时表将来? 将来时态的区别be going to;will do;be doing;be to do;be about to do be to do & be about to do 表将来时有什么区别? be to do和be going to do的区别 求be going to be to do be about to 一般现在时表将来的作文,急