be going to 等于什么? be going to doing 还是 to do?

be going to 等于什么? be going to doing 还是 to do? be going to=什么? be going to表示什么 be going to表示什么 be going to后跟什么? be going to be going be going to 后加什么 be going to do什么时态 be to .be going to .be going有什么区别?都表示一般将来时啊 be going to be ,be going to have ,will have ,shall have 有什么区别? be going to等于哪个短语?(要是两个单词的) be going to,be doing,will do有什么区别 be doing与be going to do有什么区别? be to be ,be going to be ,be about to be ,will be ,表示将要,有什么区别? 在什么情况下be going to 句型用is going to be will to be going to be about to do be to 有什么区别? be going to造句 be going to