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
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.
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.
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