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Khi danh từ đứng trước who ,which,whom... là :
+ Danh từ riêng ,tên
Ha Noi, which ....
Mary, who is ...
+ Có this ,that ,these ,those đứng trước danh từ :
This book, which ....
+ Có sở hửu đứng trước danh từ :
My mother, who is ....
+ Là vật duy nhất ai cũng biết : Sun ( mặt trời ), moon ( mặt trăng )
The Sun, which ...
- Nếu mệnh đề quan hệ ở giữa thì dùng 2 dấu phẩy đặt ở đầu và cuối mệnh đề
My mother , who is a cook , cooks very well
- Nếu mệnh đề quan hệ ở cuối thì dùng một dấu phẩy đặt ở đầu mệnh đề ,cuối
mệnh đề dùng dấu chấm .
This is my mother, who is a cook .
- Khi nó làm tân ngữ và phía trước nó khơng có dấu phẩy ,khơng có giới từ
( whose khơng được bỏ )
This is the book which I buy.
-> This is the book I buy.
This is my book , which I bought 2 years ago.
Trước chữ which có dấu phẩy nên không thể bỏ được .
This is the house in which I live .
Trước which có giới từ in nên cũng không bỏ which đựơc .
This is the man who lives near my house.
Who là chủ từ ( của động từ lives ) nên khơng thể bỏ nó được .
- Khi phía trước nó có dấu phẩy hoặc giới từ :
This is the house in that I live .(sai) vì phía trước có giới từ in -> khơng được
dùng THAT mà phải dùng which
5. Khi nào bắt buộc dùng THAT
- Khi danh từ mà nó thay thế gồm 2 danh từ trở lên trong đó vừa có ngừơi vừa
có vật
The men and the horses that ....
That thay thế cho : người và ngựa
- Khi đầu câu là IT trong dạng nhấn mạnh (Cleft sentences)
eg: It is My father that made the table.
- Khi đứng trước đó là : all, both, each, many, most, neither, none, part,
someone, something, so sánh nhất
There is something that must be done
This the most beautiful girl that I've ever met
<b>* </b>Relative clauses (Active) : V.ing . . .
* Relative clauses (Passive) : V3 / ed . . .
* the only to verb . . . (active)
ordinal number (the first, the second, the third . . . ) + relative clauses :
superlative comparison to be + V3 / ed . . . (passive)
<i><b>Examples :</b></i>
1 . People who travel to work by bus often buy their tickets in advance.
People travelling to work by bus often buy their tickets in advance.
2 . The man who came to see me last night is standing overthere.
The man coming to see me last night is standing overthere.
3 . The man who was sentenced to 40 years in prison had taken part in the
bank robbery.
The man sentenced to 40 years in prison had taken part in the Great bank
robbery.
4 . The book which was bought by my father last week is on wild life.
The book bought by my father last week is on wild life.
He was the only person to survive the air crash.
6 . <b>The fifth</b> man who was interviewed was quite unsuitable.
<b>The fifth</b> man to be interviewed was quite unsuitable.
7 . This is <b>the largest</b> ship that was built in Vietnam.
This is <b>the largest</b> ship to be built in Vietnam.
<b>NOTE : </b>
o The boy who is sleeping on the floor is my son.
The boy sleeping on the floor is my son.
( on the floor is the modifier of the verb <i>sleeping</i>)
o The boy who is sleeping is my son.
The sleeping boy is my son.
(the verb <i>sleeping</i> has no modifier)
<b>B / whom / which / that ———> object</b>
* conveying the meaning of an obbligation
* conveying the meaning of a purpose : to verb . . .
<i><b>Examples :</b></i>
1 . I’ve got a lot of exercises that I have to finish before school.
I’ve got a lot of exercises to finish before school.
2 . I need a peg which I can hang my coat on.
I need a peg to hang my coat on.
<b>C / Relative Clause ———> Noun Phrase (an Apposition)</b>
1 . Ha Noi , which is the capital city of Viet Nam , is very ancient.
Ha Noi , the capital city of Viet Nam , is very ancient.