В следующих предложениях найдите неличные формы глагола в функции the Subject:

Adding
heat to a substance does not always cause a rise of its temperature.
Altering the temperature we change the conditions of the experiment.
Starting a car engine after a cold night can be rather a difficult task.
To examine the sample the biologist used a powerful microscope.
To move electrons from the cathode to the plate requires the heating of the cathode.
To understand this phenomenon is to understand the structure of atoms.
Translating the text the student used several dictionaries.
Walking, riding and flying are examples of motion.

К сожалению, у нас пока нет статистики ответов на данный вопрос, но мы работаем над этим.