9, the man called the police his wallet was stolen
-> the man whose wallet was stolen called the police.
CT: N1(person, thing)+whose+N2: N2 thuộc sở hữu của N1.
10, the man is my new boss you are talking to him
-> the man who you are talking to is my new boss
CT: N(person)+who+V+O: who thay thế cho từ có vai trò là chủ ngữ hoặc tân ngữ
2, they will have to change the date of meeting
-> the date of meeting will have to be changed 
CT: will have to be VPII: bị động của will have to.
#XIN HAY NHẤT Ạ#
#CHÚC HỌC TỐT#

9,the man called the police his wallet was stolen

-> The man whose wallet was stolen called the police.

10, the man is my new boss you are talking to him

-> The man to whom you are talking is my new boss

2, the will have to chage the dak of meeting

-> The date of the meeting'll have to be changed

Chúc cậu học tốt nha. Xin câu trả lời hay nhất ạ