1. keep用作及物动词,意为“保存;保留;保持;保守;记(日记、帐等)”。
Could you keep these letters for me, please? 你能替我保存这些信吗?
Can you keep a secret? 你能保守秘密吗?
She keeps a diary every day. 她坚持每天记日记。
keep还有“使……保持(某种状态、位置或动作等)”的意思。这时要在keep的宾语后接补足语,构成复合宾语。其中宾语补足语通常由形容词、副词、介词短语、现在分词和过去分词等充当。
We should keep our classroom clean and tidy. 我们应保持教室整洁干净。
Youd better keep the child away from the fire. 你最好让孩子离火远一点。
2. keep用作连系动词。
构成系表结构:keep+表语,意为“保持,继续(处于某种状态)”。其中表语可用形容词、副词、介词短语等充当。
You must look after yourself and keep healthy. 你必须照顾好自己,保持身体健康。
Please keep silent in class. 课堂上请保持安静。
3. keep的常用句型。
(1) keep doing sth. 意为“继续做某事”,表示不间断地持续做某事。keep后不能接不定式或表示静止状态的V-ing形式,而必须接延续性的动词。
He kept working all day, because he wanted to finish the work on time. 他整天都在不停地工作,因为他想准时完成工作。
(2) keep on doing sth. 意为“持续做某事”。
The pupil kept on asking me the same question. 这个学生不断地问我同一个问题。
(3) keep sb. doing sth. 意为“让某人(不停地/一直)做某事”。
I kept them waiting at the gate. 我让他们在大门口等着。
(4) keep up 意为“保持;继续;跟上;不落后”。
She shook her head and started to walk on. He kept up with her. 她摇了摇头开始往前走。他跟了上去。
(5) keep up with 意为“赶得上;和……保持联系”。
Penny tended to work through her lunch hour in an effort to keep up with her work. 为了把活儿干完,彭妮常常午饭时间也要工作。
(6) keep in touch 意为“保持联络”。
Keep in touch with me. 随时跟我联系。
【典型题例】
If you keep ____ English, you can learn English well.
A. practising speak B. practising speaking C. practising to speak D. to practise spoken
【答案】 B
【解析】 keep doing sth. 意为“继续做某事”,speaking English意为“英语口语”,故选B。