1. Many people are attracted by this well-known library
2. I was given a knife to cut this bread by him
3. John’s homework hasn't been finished by him
4. Our students will be assigned to different jobs by the State
5. Her own company is being run by her
QKĐ: S + was/ were + PP + (by O)
HTĐ: S + am/ is/ are + PP + (by O)
HTTD: S + am/ is/ are + being + PP + (by O)
HTHT: S + have/ has + been + PP+ (by O)
TLĐ: S + will be + PP + (by O)
TLG: S + is/ am/ are + going to + be + PP + (by O)
S + modal verb + be + PP + (by O)