найти глаголы be и have и подписать время и число1) Then he attended the University of Cambridge and graduated from it

1) Then he attended the University of Cambridge and graduated from it in 1854.

2) At that time students could not even have such subjects as electricity or magnetism as there was no laboratory for the study of these subjects. — could not even have (Past Ind., plural) — was (Past Ind., Singular).

3) His most outstanding investigations, however, are in the field of the kinetic theory of gases and electricity. — are (Present Ind., plural).

4) It is in every object large or small; but large objects, such as earth, have a stronger pull than small ones. — is (Present Ind., singular) — have (Present Ind., plural).

5) Although the bigger object has the stronger attraction, all objects, in fact, have some attraction too but we do not notice the gravitational pull of a book because the pull of the earth is very much greater. — has (Present Ind., singular) — have (Present Ind., plural) — is (Present Ind., singular).

6) It was said that gravitation was the force which held all the atoms of a star together. — was (Past Ind., singular).