一般现在时:主语+动词原形+宾语+其他成分(主语为单数第三人称是,谓语动词需加s)
I have two bikes to be repaired.
He helps his mother do some housework.
现在进行时:主语+be doing+宾语+其他成分
i'm doing my homework now.
He is making models.
一般过去时:主语+动词的过去式+宾语+其他成分
一般将来时:主语+will do/be going to /be about to /be to do+宾语+其他成分
现在完成时:主语+have + 动词的过去分词+宾语+其他成分
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