The film strated 15 minutes ago.(同一句转换)The film___ ___ ___ for 15minutes.

问题描述:

The film strated 15 minutes ago.(同一句转换)The film___ ___ ___ for 15minutes.

has been on
已经开始15分钟了
两种说法,取决于是过去时还是完成时
过去时第1种说法,完成时就用第2种(start/begin是瞬间动词,就是要开始不可能开始哪开始哪一直在开始,要说开始了15分钟,其实就是演了15分钟,用be on)

HAS BEEN ON

The film has been on for ten minutes.
懂了吗

has ,been ,on