`-` Which là ĐTQH dùng để thay thế cho DT chỉ vật

`-` Who là ĐTQH dùng để thay thế cho DT chỉ người

`-` Whom là ĐTQH dùng để thay thế cho Tân ngữ 

`-` Whose + N : Dùng để chỉ về đồ vật của ai đó

`1`.The house has been built in the forest which doesn't have electricity

`->` Which `=` The house

`2`.Do you know the man who is coming towards us ?

`->` Who `=` the man

`3`.I sent my parents some postcards which weren't so expensive

`->` Which `=` some postcards 

`4`.I come from a city which is located by the sea

`->` Which `=` a city

`5`.The house which I had for lunch was so delicious

`->` Which `=` The house

`6`.The man whom you met last week is her father

`->` Whom `=` The man

`7`.Zoe likes the blue T-shirt which my sister is wearing

`->` Which `=` the blue T-shirt 

`8`.Show me the new hats which you bought them last night

`->` Which `=` the new hats

`9`.Jane has a sister whose name is Juma

`->` Whose + N `=` Her name

`\text{# TF}`