20 . герундий
choose the correct form of the gerund. translate the sentences.
2. i remember (having been attended, attending) his lectures on history.
3. we were informed of new results (obtaining, being obtained) at the laboratory.
7. (having heated, being heated) to high temperature the substance considerably
expanded.
8. we heard of the experiment (being started, having been started) last week.
9. we know of newton’s (having developed, having been developed) the principles of mechanics.
10. on (coming, being come) to the laboratory he began a new experiment.