Tom Sawyer paints the fence教案
knock
he knocked the fish on the head to kill it quickly.
the ship knocked herself against an iceberg.
knock at/on
i heard a knock at the door.
由who, that, which 引導的定語從句
一、 關系代詞who的用法。
1. this is the teacher who teaches us maths.
she is the girl who/ whom i met at the party.
she is the girl whom/who i met with there.
she is the girl with whom i went there.
2. who, that 在許多情況下可以通用，但有時只宜用who, 而不用that.
（1）先行詞是one, ones, anyone時宜用who
the ones who flatter me don’t please me.
don’t tell anyone about the news who oughtn’t to know it.
（2）先行詞為those 時，關系代詞宜用who
those who want to go to the great wall sign up here.
（3）當先行詞有較長的后置定語時
i met a foreigner in the street yesterday who could ask me questions in chinese.
（4）一個句子中帶有兩個定語從句，其中一個的關系代詞是that ，另一個宜用who
the boy that you met last night is the group leader who studies very hard.
（5）在there be 開頭的句子中
there is an old man who wants to see you.
二、關系代詞that的用法
1. （×） crusoe’s dog, that was now very old, because ill and died.
（√） crusoe’s dog, which was now very old, because ill and died.
2. 在限定性定語從句中，which和that在代替物時，一般可以通用
the money that/which is in the wallet is mine.
3. 有些情況下，只宜用that，而不宜用which
（1）先行詞是形容詞最高級或者它的前面有形容詞最高級時
this is the best that has been used against air pollution in cities.
（2）先行詞是序數詞，或它前面有一個序數詞時
it is the first american movie of this kind that i’ve ever seen.
（3）主句中已有疑問詞who或which時
which is the bike that you lost?
（4）先行詞既有人又有物，宜用that
do you know the things and persons that they are talking about?
（5）先行詞是all, much, little, something, everything, anything, nothing, none, the one等代詞時
you should hand in all that you have.
（6）先行詞前面有only, any, few, little, no, all, one of, the same, the very等詞修飾時
the only thing that we can do is to give you some money.
（7）有兩個定語從句，其中一個關系代詞已用which，另外一個宜用that
edison built up a factory which produced things that had never been seen before.
三、關系代詞which的用法
1. 在非限制性定語從句中，只宜用which,不能用that
beijing, which is the capital of china, is a very beautiful city.
2. （1）關系代詞前有介詞時
this is the hotel in which you will stay.
（2）如有兩個定語從句，一個關系詞是that,另一個用which.
let me show you the novel that i borrowed from the library which was newly open to us.