英语：be going to do 和have to do 能否一起出现在一个句子里

英语be going to do还是doing be going to be和be going to do有什么区别?用英语说,要翻译…… be to do和be going to do的区别 英语：be going to do 和have to do 能否一起出现在一个句子里 be going to do sth be going to do 后跟 高一英语 一般将来时be going to/will do/be about to do/be to do的区别 英语be going I am going to Shanghai和I am going to go to Shanghai我感觉两者都可以很多人都说是前者,但是既然有be going to do,那后者不是也没错吗? be going to do和be doing和want to do 三者之间的区别 be about to do 和be going to do的区别? be to do sth 和be going to do的区别 BE TO DO 和BE GOING TO DO 有什么区别 be going to do 和will do和 be doing都能表将来吗? 英语中的want to do 和will有什么区别,怎么用呢?以及want to do 和be going to 的区别 英语中表示将来时的用法意义有什么不同?be going to do/be about to do/will do/will going to do be doing和be going to do和 be about to do no matter what和whatever尽量详细点 系动词短语有 be to do和be going to be to do是情态动词短语吗 一个很简单的英语问题!急!be going to do ,be going to be ,will do,will be有什么区别?详细一点,谢谢各位了