be going to的肯定形式

e going to do sth (打算做/计划/将做.)本身就是肯定式.如：
I‘m going to visit the farm.
They were going to have a meeting when he came in.
再问： be going to的肯定形式是主语+be going to+其它吗？
再答： 对的！否定是在be后面加not
再问： be going to的疑问形式是be+主语+going to+其它吗？
再答： 是的