如果是过去式怎么改主语?比如：I had finished my work before you came.用He做句子的主语如果是一般现在时呢 比如：I always enjoy a good film.

如果是过去式怎么改主语?比如：I had finished my work before you came.用He做句子的主语如果是一般现在时呢 比如：I always enjoy a good film.
如果是过去式怎么改主语?
比如：I had finished my work before you came.
用He做句子的主语
如果是一般现在时呢 比如：I always enjoy a good film.

如果是过去式怎么改主语?比如：I had finished my work before you came.用He做句子的主语如果是一般现在时呢 比如：I always enjoy a good film.
he had finished his work before you came
he always enjoys a good film

也是一样的，用had, my需要改为his
He had finished his work before you came

He ... his ... I ...