He can speak english,这句是第三人称单数为什么speak不加s?
问题描述:
He can speak english,这句是第三人称单数为什么speak不加s?
答
因为用了can啊~can should shall这种情态动词后面动词用原形
He can speak english,这句是第三人称单数为什么speak不加s?
因为用了can啊~can should shall这种情态动词后面动词用原形