1. The tables are cleaned by my brother. 

⇒ S + be + V3 + by + O

2. He dog’s leg was broken by a car. 

⇒ S + was/were + V3 + by + O.

3. Now we are trying to pass the final exam. 

⇒ S + be + V-ing + O.

4. It’s 7 o’clock and the food is being cooked by my parents. 

⇒ S + be + being + V3 + by + O. 

5. Be quiet: you are talking so aloud, we didn’t hear what the teacher said. 

⇒ S + be + V-ing + O

6. My father’s car is being repaired due to a car to clean.

⇒  S + be + being + V3 + by/due to/because of/owing to…+ O

7. He is not working at his office. 

⇒ S + be not + V-ing + O.

1.are cleaned

-> BĐ - HTĐ : S + is / am / are + VpII ( by O )

=> You , We , They + are

2.were broken

-> BĐ - QKĐ : S + was / were + VpII ( by O ) ( 2 , 6 )

=> You , We , They + were

3.are trying

-> Thì HTTD : S + is / am / are + V-ing ( 3 , 5 )

=> You , We , They + are ( 3 , 5 )

-> DHNB : now

4.is being cooked

-> BĐ - HTTD : S + is / am / are + being + VpII ( by O )

=> He , She , It + is

5.are talking

-> DHNB : Be quiet !

6.was repaired

=> He , She , It + was

7.isn't working

-> Thì HTTD ( PĐ ) : S + isn't / am not / aren't + V-ing

=> He , She , It + isn't

\text{# TF}