was going to ,was about,was to 区别

题目

was going to ,was about,was to 区别
明天就要考语法了
是was going to was about to,was to 区别 上面少打了个to

答案

都是过去式be about to＋动词不定式表示“马上做某事”be about to 不能与tomorrow,next week 等表示明确将来时的时间状语连用.was about to do sth.表示将来马上要发生的事情或动作：We were about to start workin...