One way to describe the subject of a sentence is to use a(n)infinitive. gerund. article. preposition.

Gerund

Explanation:

A gerund is a verb that becomes a noun after adding -ing. in fact a gerund is the word that is partly a verb and partly a noun, a gerund can act as a subject of a sentence or the object of a sentence. they are sometimes governed by preposition.

Examples of sentences that have gerunds are

1. Sleeping is her hubby

2. Running is his favorite sport

Sleeping and running in the above sentences denotes actions, they are subjects of verbs and are doing the work of a noun as well as subject of the sentence.

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