помогите пожайлуста ..... что нужно подчеркнуть ??
Перепишите предложения, найдите и подчеркните в них объектный и субъектный инфинитивные обороты. .

Glaciers proved to be the slowest accumulators of moisture.

We know every form of energy production to cause some damage to the surroundings.

Where the land is irrigated, in Western States, for example, 50 to 80 pounds of wheat are considered to be the best rate.

Sprinkler irrigation enables erosion to be controlled on steep land.

Everybody knows the depth of planting the seed to depend largely on the type of the soil and size of the seed.

Sufficient moisture should be present for wheat seed to germinate quickly and for young plants to grow well.

Объектный инфинитивный оборот- we know, are considered, everybody knows. Субъектный инфинитивный оборот - proved to be, to be controlled, should be present.