1. John invited Flona to his birthday party last night.

-> Flona was invited to John's birthday party by him last night.

2. Have the thieves stolen the most valuable painting in the national museum ?

-> Has the most valuable painting in the national museum been stolen by the thieves? 

1.My father waters this flower every morning.

.........................This flower is watered by my father every morning.....................................................

2.John invited Fiona to his birthday party last night.

.................................Fiona was invited to John's birthday party last night....................................................

3.Some drunk drivers caused the accident in this city.

..............................................The accident in this city was caused by some drunk drivers...........................................

4.The manager didn’t phone the secretary this morning.

...................................The secretary wasn't phoned by the manager this morning........................................................

5. Did Mary this beautiful dress?

...........................Was this beautiful dress ... by mary?.........................................................................

6.The German didn’t  build this factory during the Second World War.

......................................This factory wasn't built by the German during the SWW...........................................................................

7.How many languages do they speak in Canada?

.................................How many languages are spoke in Canada?..................................................................................

8.The waiter brings me this dish.

...................................................This dish is brought to me by the waiter.............................................................

9.Our friends send these postcards to us.

.....................................These postcards are sent to us by our friends.........................................................

10.Their grandmother told them this story when they visited her last week.

........................This story was told to them by their grandmother when they visited her last week............................................................................................

11.Tim ordered this train ticket for his mother.

..................................This train ticket was order for Tim's mother................................................................................

12.You didn’t show me the special cameras.

..................................The special cameras weren't shown to me..................................................................................

13.She showed her ticket to the airline agent.

...................................Her ticket was shown to the airline agent..............................................................................

14.He lends his friend his new shoes.

................................His friend is lent his new shoes.........................................................................................

John invited Mary to his birthday party last night.

=> Mary was invited to the birthday party by John last night.

#Riin

Refer:

1.My father waters this flower every morning.

=> this flower is watered by my father every morning

2.John invited Fiona to his birthday party last night.

=> Fiona was invited to John's birthday party last night

3.Her mother is preparing the dinner in the kitchen.

=> The dinner is being prepared in the kitchen by her mother

4.We should clean our teeth twice a day.

=>Our teeth should be cleaned twice a day

5.Our teachers have explained the English grammar.

The english grammar has been explained by our teachers

6.Some drunk drivers caused the accident in this city.

=> The accident was caused by some drunk drivers in this city

7.Tom will visit his parents next month.

=> Tom's parents will be visited next month

8.The manager didn’t phone the secretary this morning.

=> the secretary wasn't phoned by the manager this morning

9. This dish is brought to me by the waiter 

10. These postcards are sent to us by our friends

1. My father waters this flower every morning.

=> this flower is watered every morning by my father

2. John invited Fiona to his birthday party last night.

=> fiona was invited to his birthday party last night

3. Her mother is preparing the dinner in the kitchen.

=> the dinner is being prepared in the kitchen

4. We should clean our teeth twice a day.

=> our teeth should be cleaned twice a day

Fiona was  invited to John's birthday party last night by him

giúp mình vs

pls

1, Fiona was invited to John's birthday party by him last night

2, The E grammar has been explained by our teachers

3, The accident was caused in this city

1, Fiona was invited to John's birthday party by him last night

2, The E grammar has been explained by our teachers

3, The accident was caused in this city