例句:He help his mother clean the room.由此引发的两个问题!

学习 时间:2026-04-09 01:02:41 阅读:5319
例句:He help his mother clean the room.由此引发的两个问题!在过去式中,一个句子,不用连词连接,可以有两个过去式吗?例句该怎样改成过去式的呢?是只把help加ed,还是help和clean一起加ed?在一般现在时中,一个句子,是第三人称单数时,可以两个动词都加s吗?我知道句子中如果有does,另一个动词要原形,可是有两个动词了,该如何?是只把help加s,还是help和clean一起加s?我个人认为问题一和二的动词都是一个变形,一个原形,

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光亮的机器猫

安详的墨镜

2026-04-09 01:02:41

He helped his mother clean the room。he helps his mother clean the room help sb do sth 都只变一个

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  • 执着的斑马
    回复
    2026-04-09 01:02:41

    He helped his mother clean the room。he helps his mother clean the room help sb do sth 都只变一个

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