be doing表将来用法和will be doing的区别?The train will be arriving at two o'clock.这句话能换成The train is arriving at two o'clock吗?be doing表将来用法和will be doing的区别是语气上的么?

be doing表将来用法和will be doing的区别?The train will be arriving at two o'clock.这句话能换成The train is arriving at two o'clock吗?be doing表将来用法和will be doing的区别是语气上的么? be to do和be doing在表将来的时候用法有什么区别? be going to表将来、be doing表将来和will/shall+do三者间的区别如题! be going to do和be doing 都能表将来,区别是什么?will do 和be doing表将来的区别是什么? 现在进行时表示将来与一般将来时的区别就是be doing 表示将来和will do表示将来的区别 【是will do 与be doing不是will be doing都可以表示将来 有什么区别 to be doing和to have been (求助中……有这个用法吗?)to be doing 不是不定式表将来吗？ be going to do 和will do和 be doing都能表将来吗? 关于will 和will be的用法will be doing sth 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? This time tomorrow you _there doing some more exercises.(a)will sit (b)will be sitting将来时和将来进行,我老师说没什么区别! 将来时态的区别be going to;will do;be doing;be to do;be about to do如题 5种用法 要解析和很典型的例句 be going to do 和be doing用法的区别?最好能举出例子～我说的是当两者都表将来时态时的差别！ will be doing 是种什么用法? Will do sth 和Be doing sth的用法这两个语法分别是用在哪里啊?我听人说Will do sth是用在将来发生但很快就过去事情上/Be doing sth是用在将来发生不会很快过去的事情上, will,be going to do,be doing表将来will 与 be going to do和be doing都表将来 区别是什么?如题：i ___ 14 years old next year.这里填be going to be 但为什么不用will? be doing 表示最近将来时时= will do么 be doing和doing的用法区别 表将来的几种用法will & be going to & be doing & do/does & be to这 5种用法都可以表示将来,但是做单选是怎么区分呢?注 ：只有把5种用法都说清楚并且分别造一个句子,用例句解释并对比的才能获得20