A finite clause contains a verb, subject, and context that clearly present the tense.
...
Finite clauses contain finite verbs: verbs in the present tense or past tense form.
Finite clauses must contain a verb that shows tense.
Finite clauses can be main clauses or subordinate clauses
A finite clause contains an explicit subject in the form of a noun phrase (for example, students, the software engineer, or a computer that they purchased)
A finite clause contains an explicit subject in the form of apronoun (for example, we, she, they).
....
The finite subordinate clauses of English can be divided into three major types on a rational basis with a justification stemming from their internal syntactic structure.
The three main kinds of subordinate clauses in English are the relative clause, the comparative clause, and the content clause.
......
Non-finite verbs are not limited by subject, person, number, or tense