Подчеркнуть сказуемое, определить время и залог

1.this engine will have been installed in our workshop by the end of the month.
2.our specialists have made great progress in different fields of science.
3.electronics and television had found a wider application on railways by 2000.
4.the devices were fixed by the laboratory assistant.

1. This engine will have been installed in our workshop by the end of the month. (Future Perfect Passive)

2. Our specialists have made great progress in different fields of science.  (Present Perfect Active)

3. Electronics and television had found a wider application on railways by 2000. (Past Perfect Active)

4. The devices were fixed by the laboratory assistant.  (Past Simple Passive)