Помогите пожалуйста! Нужно подчеркнуть сказуемое (выделить можно крупным шрифтом) определить его время и залог.
1. The new device had been tested in action by the end of the last month.
2. Rails were. produced at a special electric welding shop.
3. This experimental work will have been completed by the beginning of the year.
4. The Sapsan trains fully comply with the Russian Federation safety standards.