Anything vs. Anyone
'Anything' and 'anyone' are two indefinite pronouns that have somehow similar spelling but they refer to different things. Let's see their differences.
What Is Their Main Difference?
Anything
'Anything' can refer to whatever thing no matter what it is. It's usually used in negative sentences. When you do not care what a thing is, you can use 'anything'.
We didn't know
We can't do
'Anything' in Questions and Conditionals
'Anything' can be used in questions and conditional sentences to ask or talk about whether something is present or happening.
Is
If there's
Anyone
'Anyone' is the singular indefinite pronoun that refers to an unspecific person (any person).
Use Singular Verbs for Both
'Anyone' and 'anything' are both used with a singular verb.