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。
