Question

Подчеркните сказуемое главного предложения и определите видо-временную форму и залог глагола . 1. Interesting results were obtained after a number of experiments. 2. searching for ore with plants started a new trend in geology 3. later generations will regard Antarctica as the natural storehouse of food . 4. modern science and inventions have made a great change in the techniques of exploration

Answer 1

1. Interesting results were obtained after a number of experiments.(Past Simple Passive)
2. Searching for ore with plants started a new trend in geology (Past Simple Active)
3. Later generations will regard Antarctica as the natural storehouse of food .(Future Simple Active)
4. Modern science and inventions have made a great change in the techniques of exploration (Present Perfect Active)

Answer 2

1. Interesting results were obtained after a number of experiments. Сказуемое: were obtained (пассивный залог, прошедшее время).

2. Searching for ore with plants started a new trend in geology. Сказуемое: started (активный залог, прошедшее время).

3. Later generations will regard Antarctica as the natural storehouse of food. Сказуемое: will regard (активный залог, будущее время).

4. Modern science and inventions have made a great change in the techniques of exploration. Сказуемое: have made (активный залог, настоящее время).