Переделайте предложения из действительного в страдательный залог

Помогите пожалуйста буду благодарна! Переделайте предложения из действительного в страдательный залог; определите в каждом из них видовременную форму глагола-сказуемого.

1. An actor killed President Abraham Lincoln.
2. He was preparing report all day yesterday.
3. They make Volkswagen cars in Germany.
4. The French government gave the Statue of Liberty to the American People.
5. They are maintaining constant temperature in the tube.
6. They have already applied new methods in their research.

President Abraham Lincoln was killed by an actor

1. President Abraham Lincoln was killed by an actor. (Past Simple)
2. The report was being prepared by him all day yesterday. (Past Continuous)
3. Volkswagen cars are made in Germany. (Present Simple)
4. The Statue of Liberty was given to the American People by the French government. (Past Simple)
5. Constant temperature is being maintained in the tube. (Present Continuous)
6. New methods have been applied in their research. (Present Perfect)

Do you know how to speak English?

President Abraham Lincoln was killed by an actor. — Past Simple
Report was being prepared all day yesterday. — Past Continuous
Volkswagen cars are made in Germany. — Present Simple
The Statue of Liberty was given to the American People by the French government. — Past Simple
Constant temperature is being maintained in the tube. — Present Continuous
New methods have already been applied in their research. — Present Perfect

1. Abraham Lincoln was killed by an actor (past simple)
2. The report was being prepared by him all day yesterday (past continuous)
3. Volkswagen cars are made by them in Germany (present simple)
4. The Statue of Liberty was given to the American People by the French government. (past simple)
5. Constant temperature in the tube are being maintained by them. (present contionuous)
6. New methods have been already applied by them in their research. (present perfect)

President Abraham Lincoln was killed by an actor. Report was being prepaired by him all day yesterday. Volkswagen cars are made in Germany by them. The Statue of Liberty was given to the American People by the French government. Constant temperature in the tube is being maintained by them. New methods in their research have been already applied by them.

1. President Abraham Lincoln was killed by an actor -Past Simple
2. The report was being prepared all day yesterday- Past Progressive
3. Volkswagen cars are made in Germany — Present Simple
4. The Statue of Liberty was given to the American people by the French government- Past Simple
5. Constant temperature is being maintained in the tube- Present Progressive
6. New methods have been applied in their research — Present Perfect