Swimming is fun (V-ing as subject)
Swimming is fun (V-ing as subject) means “The -ing form as the subject of a sentence: Swimming is good exercise”. An activity can be the subject of a sentence in its -ing form: Swimming is good exercise. Formation: V-ing + is/was ...
The -ing form as the subject of a sentence: Swimming is good exercise
A2Formation
V-ing + is/was ...
Explanation
An activity can be the subject of a sentence in its -ing form: Swimming is good exercise. Learning a new language takes time. The -ing subject counts as singular, so the verb is singular: Reading books is fun (not are). It means the same as It is fun to read books.
Examples
Note
The verb stays singular even if a plural noun follows the -ing word: Learning new words is fun — the subject is Learning, not words.
FAQ
Swimming is fun (V-ing as subject) — what does it mean and how is it used?
The -ing form as the subject of a sentence: Swimming is good exercise. An activity can be the subject of a sentence in its -ing form: Swimming is good exercise. Learning a new language takes time. The -ing subject counts as singular, so the verb is singular: Reading books is fun (not are). It means the same as It is fun to read books.
Swimming is fun (V-ing as subject) — how do you form it?
V-ing + is/was ...
Swimming is fun (V-ing as subject) — any usage notes?
The verb stays singular even if a plural noun follows the -ing word: Learning new words is fun — the subject is Learning, not words.