Rút gọn mệnh đề quan hệ:

+) Dạng chủ động: thay động từ chính bằng V-ing (bỏ đại từ quan hệ, tobe)

+) Dạng bị động: thay động từ chính bằng Vpp (bỏ đại từ quan hệ, tobe)

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`1.` The actor acting in the film "Crazy Coconut" won the Oscar.

`2.` The old man going for a walk in the park is my stepfather with his dog.

`3.` The worker being seriously sick is in the hospital now.

`4.` The poems written by Han Mac Tu are my cousin's favorite poems.

`5.` The song composer giving me a surprising gift last night is a famous musician.

@ `Ly`

1. The actor who acted in the film " Crazy Coconut " won are Oscar.

⇒The actor acting in the film "Crazy Coconut"won the Oscar.

2. The old man who is going for a walk in the park is my stepfather with his dog.

⇒The old man going for a walk in the park is my stepmother with his dog.

3. The worker who was seriously sick is in the hospital now.

⇒The worker being seriously sick is in the hospital now.

4. The poems which were written by Han Mac Tu are my cousin favourite poems

 ⇒The poems written by Han Mac Tu are my cousin favourite poems

5. The song composer who gave me a surprising gift last night is a famous musician.

⇒The song composer giving me a surprising gift last night is a famous musician