these Verbs singing "With the Ukulele"
More about these verbs ending in "ing".
When acts as a name can be the star of the sentence.
In that case is the subject: Flying is fun.
It may also be information about other verb.
In that case it is a complement: My friend enjoys flying.
When acts as verb always is part of a continuous verb form.
Present, Past and Future Continuous: The balloon was flying.
GERUND OR INFINITIVE from Leonel Sevillano on Vimeo.