初中英语常见错误之K系列

　　keep

　　[误] She was keeping something to her father.

　　[正] She was keeping something from her father.

　　[析] 对某人隐瞒某事要用keep something from somebody句型。

　　[误] He kept to repeat the word again and again.

　　[正] He kept repeating the word again and again.

　　[析] keep doing something为连续不断地做某事。有时可以与keep on doing something互换。它们的区别在于keep doing something意为该动作一直不停地在进行中，如： When the train started, she kept waving her hand. 而keep on doing something则表示该动作可能停停顿顿但却一直在进行中，如： He kept on making the same mistakes in grammar.

　　[误] We must keep up the times.

　　[正] We must keep up with the times.

　　[析] 这句话意为我们必须赶上时代，keep up with是赶上之意，而keep up则是坚持下去的意思，如： Keep it up, dont stop now!

　　key

　　[误] I lost the key of the door.

　　[正] I lost the key to the door.

　　[析] 英语中讲某某的东西一般要用of，而key, entrance, answer则多用to，如：门的钥匙为key to the door, 高速公路入口为entrance to the highway, 问题的答案为the answer (key) to the question.

　　kind

　　[误] This kind of books are not good.

　　[正] This kind of books is not good.

　　[析] kind在这种句式中应作为主语，如果讲Those kinds of books are very good. 则是正确的。

　　kind sort type

　　kind和sort为同义词，意为种类，而type则为型号，如： What type of this car do you want(你想要这种车的什么型号)

　　knock

　　[误] Someone was knocking the door.

　　[正] Someone was knocking at the door.

　　[析] knock虽可以作及物动词，如： The car knocked a hole in the fence. 但作敲门讲一定要用作不及物动词： knock at (on) the door.

　　know

　　[误] I want to know to play this game.

　　[正] I want to know how to play this game.

　　[析] 要注意英语中在不定式前加疑问代词或疑问副词的用法。如：I want to know how to do it / what to do / when to do it / where to go.

　　know know of

　　I know him.为我很了解他。而I know of him. 则为我听说过他。同样的用法还有hear和hear of这一词组。