Помогите пожалуйста)) Преобразуйте следующие предложения в предложения со сказуемым в страдательном залоге. 1. Watt started engine manufacturing in 1870. 2. The scientist named his device steam governor. 3. In 1781 Watt produced a rotary-motion steam engine. 4. Watt compared his device to a horse.

The engine manufacturing was started by Watt in 1870
2. Device was named as steam governor by scientist 
3. A rotary motion engine was produced by Watt in 1781
4. Device was compared to a horse by Watt