A. LÝ THUYẾT
- Với các động từ đi kèm với giới từ, khi sử dụng mệnh đề quan hệ chúng ta sẽ đảo giới từ lên trước whom / Which
Ví dụ:
The man speaks English very well. I talked to him last night.
-> The man to whom I talked last night speaks English very well.
The house is for sale. I was born in it
-> The house in which I was born is for sale.
- Of which/ Of whom: thường sử dụng khi có các từ "all", "most"
Ví dụ:
Daisy has three brothers, All of them are teachers.
-> Daisy has three brothers, all of whom are teachers.
He asked me a lot of question. I couldn't answer most of them.
-> He asked me a lot of questions, most of which I couldn't answer.
Lưu ý: Không dùng that sau giới từ.
The house in that I was born is for sale.
- At which / in which: có ý nghĩa tương đương với "where". At which sử dụng cho các địa điểm nhỏ hơn làng (Ví dụ: Bookshop, Cinema,...), in which sử dụng cho các địa điểm lớn hơn làng (Ví dụ: Country, city,...)
Ví dụ:
I like the restaurant. Whe ate Indian food there last week.
-> I like the restaurant at which we ate Indian food last week.
We have been to London. Our friend lives there.
-> We have been to London in which our friend lives.
- On which: có ý nghĩa tương đương với when.
Ví dụ:
My favourite season is summer. We go to the beach at that time.
-> My favourite season is summer on which we go to the beach.
- For which: có ý nghĩa tương đương với why.
Ví dụ:
Tell me the reason. You are late for that reason.
-> Tell me the reason for which you are late.