1、從過去的觀點來看未來，常用在賓語從句中或間接引語中
Last week he (promise) that (come) today, but he (not arrive) yet.
(promised / would come / hasn’t arrived )
2、過去將來時的其它主要形式
was / were going to
was / were about to
We were just going to ( about to ) leave when Tom fell and hurt his ankle
Last week he (promise) that (come) today, but he (not arrive) yet.
(promised / would come / hasn’t arrived )
2、過去將來時的其它主要形式
was / were going to
was / were about to
We were just going to ( about to ) leave when Tom fell and hurt his ankle