Подчеркните сказуемое и определите видовременную форму и залог глагола

1. Scientists have produced a stable chemical compound to store the energy.
2. A large energy drop can be dealt with in the first pressure stage of the im-pulse turbine.
3. They will be making the experiment the whole day long.
4. It took us two hours to complete the experiment.
5. The Sun energy 61 days in a crystal has been managed to store by Japan.
6. Unless he asks do not press on him.
7. The choice of material for condenser tubes is influenced by cooling water corrosive in nature.
8. By that time they had already sent their timetable.

Определите формы и функции герундия. 1.By subjecting air to very great pressure and cooling it is possible to transform it to the liquid state.
2.His offering new temperature conditions for the system will give greater efficiency.
3.We know of silver and copper being very good conductors of electricity.
4.One of the main problems of a driver on the road is keeping the speed constant and watching the cars ahead.
5.A new device for monitoring and adjusting air pressure in tires has recently been developed.

из них модальный глагол или его эквивалент.
1. In this figure you can see a diagram of temperature changes.
2. He must work hard to finish the experiment.
3. You may find all the necessary material in the library.
4. The consumer has to solve the problem of choice.