be about to do 和be going to do的区别?

问题描述:

be about to do 和be going to do的区别?

be about to do 是马上要做某事.
be going to do是打算要做某事.
两者的差异主要在时间上.比如:我马上就要坐车走了,这时用be about to.我们打算三天后去野营,这时用be going to.