Перепишите следующие предложения, подчеркните в их герундий и укажите его функцию:

Перепишите следующие предложения, подчеркните в них герундий и укажите его функцию:
1. The purpose of the experiment was producing hydrogen.
2. The scientist purifying the solution of the new substance.
3. The use of outerspace relays makes possible broadcasting to huge territories.
4. The best results have been achieved by splitting the atom of uranium.
5. His consulting the professor will help him greatly to improve the results.