The occasional need for “effect” as a verb arises when the narrow meaning “to cause or to bring about” is appropriate. These rare occasions often occur in some form of the expression “to effect a change” or, in police jargon, “to effect an arrest” (to cause or make an arrest happen).

What is the verb form of effect?

effect. verb. effected; effecting; effects.

What is the verb of affect?

Affect is usually a verb. Affect means "to influence" or "to produce a change in." Example of affect in a sentence. Since affect means "to influence" or "produce a change in" in this sentence, it is the correct word to use here.