Question

the doctor saved the old man.The old man is 80 years old（改为定语从句句）两种方法

Answer 1

(1) The doctor saved the old man, who is 80 years old.
非限制性定语从句，意为“医生救了那位老人，这位老人80岁。
(2) The doctor saved the old man who is 80 years old.
限制性定语从句，意为“医生救了那位80岁的老人。”
(3) The old man the doctor saved is 80 years old.
限制性定语从句，意为“医生救的那位老人（今年）80岁。”
你们今天讲的应该是：（2）（3）两种，对吧？

Answer 2

1.The doctor saved the old man who was 80 years old.
2.The old man who was saved by the doctor is 80 years old.

Answer 3

1. The doctor saved the old man who is 80 years old.
2. The old man that the doctor saved is 80 years old.

Answer 4

The doctor saved the old man who is 80 years old.
The old man who was saved by the doctor is 80 years old.

Answer 5

The doctor saved the/an old man who/that is 80 years old.
The old man (whom/who/that) the doctor saved is 80 years old.