Source: https://idus.us.es/bitstream/handle/11441/128137/Touri%C3%B1o%20Fern%C3%A1ndez%2C%20Teresa%20-%20Le%20g%C3%A9rondif%20fran%C3%A7ais%20et%20le%20gerundio%20espa%C3%B1ol%2C%20%C3%A9tude%20contrastive.pdf