5 oraciones De passive voice?

Present :

1 English is spoken in many countries.

2. Many accidents are caused by careless driving.

3. Christmas is celebrated on the 25 of December.

4. The park gates are locked at 7 : 00.

5. Cheese is made from milk.

Past

1.

This house was built in 1890.

2. This symphony was composed by Beethoven.

3. The Raven was written by E.

A. Poe.

4. All flights were canceled because of fog.

5. Two employees were fired by the company.

Present perfect

1.

My camera has been stolen.

2. A new school has been built in our city.

3. The concerts have been postponed.

4. I have never been bitten by a dog.

5. The cure for cancer hasn't been found yet.