keep for of ab. to do

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keep,ab,do

拓展keep的用法 1. 用作及物动词

意为"保存;保留;保持;保守"。如:

Could you keep these letters for me, please? 你能替我保存这些信吗? 意为"遵守;维护"。如:

Everyone must keep the rules. 人人必须遵守规章制度。 The teacher is keeping order in class.老师正在课堂上维持秩序。

意为"使……保持某种(状态、位置或动作等)"。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。如:

例:We should keep our classroom clean and tidy.(形容词)

我们应保持教室整洁干净。

You'd better keep the child away from the fire.(副词)你最好让孩子离火远一点。

The bad weather keeps us inside the house.(介词短语)坏天气使我们不能出门。

Don't keep me waiting for long.(现在分词)别让我等太久。

The other students in the class keep their eyes closed.(过去分词) 班上其他同学都闭着眼睛。 2. 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。如:

例:You must look after yourself and keep healthy.(形容词)

你必须照顾好自己,保持身体健康。 Keep off the grass.(副词)请勿践踏草地。

Traffic in Britain keeps to the left.(介词短语)英国的交通是靠左边行驶的。 注意:一般情况下,keep后接形容词较为多见。再如: She knew she must keep calm.她知道她必须保持镇静。 Please keep silent in class.课堂上请保持安静。

3. keep doing sth. 意为"继续干某事",表示不间断地持续干某事,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。 例: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。

Keep passing the ball to each other, and you'll be OK.坚持互相传球,你们就


行。

keep on doing sth. 意为"反复做某事"。如: 例:The pupil kept on asking me the same question.

这个学生不断地问我同一个问题。

I kept on thinking about the match in the afternoon.我总是想起下午的那场比赛。

keep...from doing sth.意为"阻止/防止……做某事"。如: The heavy snow kept us from going out. 大雪使我们不能出去。

Unit2 Hair care —— Language

“形容词 + for sb + 动词不定式”与“形容词 + of + sb +动词不定式” 1. “形容词 + for sb + 动词不定式”与“形容词 + of + sb +动词不定式”

“形容词 + for sb + 动词不定式”与“形容词 + of + sb +动词不定式”这两个矩形的结构形式是一样的,用for还是用of取决于它前面的形容词。

若形容词是表示事物的客观特征,不是对不定式的发出者的品格进行评价的,如:difficult, easy, hard, important, dangerous, possible, impossible等,用for

例:It’s very dangerous for children to cross the busy street.

对孩子们来说,穿过繁忙的街道很危险。

②若形容词是描述不定式的发出者的性格、品质的,如:kind, good, nice, right, wrong, clever, careless, polite, foolish等,用of : It’s very kind of you to help me. 你能帮我,真好

It’s clever of you to work out the maths question. 你真聪明,解出了这道数学题。

of sb. 矩形通常都可以改为用of后的宾语作主语的句子,但for sb. 句型不可以。

It’s very nice of you to offer me a seat. = You are nice to offer me a seat.

It is careless of him to lose so many things. = He is careless to lose so many things.

2. 形容词 + enough + 动词不定式

“形容词 + enough + 动词不定式”这一结构表示“足够, enough是副词,修饰前+enough +”so…that…”结构改写。


John is strong enough to carry the box. = John is so strong that he can carry the box.

The magazines are______ easy that the children can read them well.




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