ACTIVE --> PASSIVE
1. My father waters this flower every morning.
2. John invited fiona to his birthday party last night.
3. her mother is preparing the dinner in the kitchen.
4. We should clean our teeth twice a day.
5. our teachers have explained the English grammar.
6. some drunk divers caused the accident in this city.
ACTIVE --> PASSIVE
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 his birthday party by John 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 by us twice a day
5. our teachers have explained the English grammar.
=>the English grammar has been explained by our teachers
6. some drunk divers caused the accident in this city.
=>the accident was caused in this city by some drunk divers
