Помогите пожалуйста по-английскому

[Наталья3380]

Подчеркните в каждом из предложений глагол-сказуемое
и определите его видо-временную форму и залог.

1) The uses of metals are based upon their physical or chemical properties.
2) There are many properties that man has found useful in his application of
electromagnetic waves.
3) The energy sources of the world are decreasing while the energy needs of the
world are increasing.
4) The behaviour of metals is greatly affected by the changes in temperature.