为什么有时候要在is going to后面加be?为何句子：I’m going to be a basketball player like him.going to后面要加be?又为何句子：She is going to take part in the high jump and the long jump 后面又不加be?

为什么有时候要在is going to后面加be?为何句子：I’m going to be a basketball player like him.going to后面要加be?又为何句子：She is going to take part in the high jump and the long jump 后面又不加be? Nothing is ever going to stop them from talking.中为什么要用is going to to go和going有什么区别有时候好像可以互相调换.有时候又不能.还有要怎样决定介词to和for在什么地方用? be going to do 的特殊疑问句what make are you going to buy?我有两点不懂1：make为什么在what后,不能写成 what are you going to buy make?2：以上翻译为你要买什么牌子,那问的人不是只有一个,为什么不用is用are? not的用法 为什么not有时候在be动词以及助动词,情态动词后,而有时候直接在动词后如,try not to... 急用 is going to be /will going to be /are going to be 应该用在哪 What city is Cheng Han going to move to?为什么要用move to she is going shopping和she is going to the shops的区别为什么shop要加ing? david is looking forward to going to universty这里为什么要用going而不用go?求解!谢谢! gone going to go这些都不是动词啊 为什么在句子中要按照动词的规定来做 好像 Going to Beijing is hisdream 这里的to为什么不可以省略啊 gone going to go这些都不是动词啊 为什么在句子中要按照动词的规定来做 好像 Going to Beijing is hisdream 这里的to为什么不可以省略啊 为什么在这句话中不加on?:kay is going to the doctor Saturday morning. There is going to be a sports meetThere is going to be a sports meet next weekend.为什么句子要用be going to be 而不用be going to have? is going to enter junior high school 为什么要加 is He with his friend is going to 为什么用is here is a letter ______your motherfor or to ,why有时候可以用for,有时候用to,为什么 ---what is he going to do?---He is () A.going to birdwaching B.Going birdwaching 选什么,为什么? 关于一般将来时的用法He is going to visit there.It is going rain.为什么第一句有to,不是在两个动词中才加to吗?为什么第一句有to,第二句没有to