In this task you are given a sentence. You must judge whether subject of the main clause is singular or plural. Label the instances as "Singular" or "Plural" based on your judgment.

His thumbs were tracing patterns on my face, and it was hard to think or form coherent responses.
Plural

The monitor's beeping dove from a constant beep to deep electronic thuds.
Singular

That bastard would pay.

Singular