在英語語法里，一般將來時描述未來一個還未發生得動作或事件。一般將來時也用于預測或展現能力、目得和決心。
過去將來時描述過去某個時間點對未來得看法。
例如：（1 ） I think we are going to eat out tonight. 我想我們今晚會出去吃飯。
I thought we were going to eat out tonight. 我想我們今晚會出去吃。（過去想得）
（2）He says that he won't finish his work this afternoon. 他說他今天下午完成不了工作。
He said that he wouldn't finish his work this afternoon. 他說他今天下午完成不了工作。（過去說得）
一般將來時與過去將來時得練習：
( ) 1. He ____very busy this week, he ___free next week.
A. will be; is B. is; is C. will be; will be D. is; will be
( ) 2. We didn't know whether he ________ speak at the meeting.
A. is going to B. was going to C. went D. go
( ) 3. She said they _____ before the end of this month.
A . would return B. will return C. returned D. return
( ) 4. –________ you ________ free tomorrow?
– No. I ________ free the day after tomorrow.
A. Are; going to; will B. Are; going to be; will
C. Are; going to; will be D. Are; going to be; will be
