1. Mike's father designed this house

⇒This house was designed by Mike's father

2.they are building a new school in my village

⇒A new school is being built in my village

3.Someone has warned us not to go out alone.

⇒We have been warned not to go out alone

4.to day, people grow coffee in 50 different countries

⇒Today, coffee is grown in 50 different countries

5.my students are studying english

⇒ English is being studied by students

6.tom has just bought a dictionary

⇒A dictionary has just been bought by Tom

1. This house was designed by Mike's father

2. A new school is being built in my village

3. We have been warned not to go out alone

4.Today, coffee is grown in 50 different countries

5. English is being studied by students

6. A dictionary has just been bought by Tom