As a verb, the word think would be first and second person both singular and plural, but third person plural.
I think.
You think.
He thinks.
We think.
They think.
As a noun, it would be singular, however its use as a noun is very marginal.
I sat down and gave it a good think.
Unless you are trying to write the next Huckleberry Finn, don't use think as a noun.
The plural of think is think. We think, they think.
Singular Plural is caterpillars
The word crisis is singular. The plural form of crisis is crises.
Steroids is plural. The singular form of the word is steroid.
Association is singular. Associations is plural.
its singular there is no plural form of rendezvous
I think it's singular. Because if it was boots, it would be plural.
i think it's singular
The word team is singular; the plural form is teams.
These is plural, this is singular
Lance is singular. Lances is plural.
The word metastasis is singular, metastases is plural.
The word "louse" is singular. The plural form is "lice."
No, "think" is not singular. It is a verb that can be used with singular or plural subjects. For example, "I think" (singular) or "They think" (plural).
No, the word "list" is singular. The plural form of "list" is "lists."
Caveman is singular. Cavemen is plural.
It's singular. The plural is cafeterias.
Verbs cannot be singular or plural. Has is after singular nouns.