http://www.ToLearnEnglish.com - Resources to learn/teach English (courses, games, grammar, daily page...)
The present participle is formed by adding the ending "--ing" to the infinitive (dropping any silent "e" at the end of the infinitive):
sing --> singing
A. The present participle may often function as an adjective:
an interesting book.
is good exercise.
myself lost, I gave up all hope.
finished dinner while watching television.
spent all his money, he returned home.
A) Find the gerund: 1. to give | 2. to walk | 3. to sit | 4. to help
B) Fill in the blanks with BY or WHILE + a present participle. Une one of these verbs: to look, to watch, to work
passed his exam __________________ very hard.
1. giving | 2. walking | 3. sitting | 4. helping