keep后面加一般现在时时态，即动词的ing形式。

keep后面还可以跟名词或者形容词。keep：v.(使)保持，处于;继续，重复(做某事);使耽搁;使延误n.生活必需品;生活费用;城堡主楼 扩展资料I said I'd go just to keep him happy.我说过我要去只是为了让他高兴。It is important to keep in touch with the latest research.及时掌握最新研究情况很重要。Keep going like that ─ you're doing fine.就这样做下去——你做得蛮不错嘛。I said I'd go, just to keep him happy.我说过我要去只是为了让他高兴。I'm sure she's keeping something back from us.我肯定她有什么事瞒着我们。Some teachers find it difficult to keep their classes in order.有些教师觉得难以维持课堂秩序。