No, infinitives are not inflected to agree with the subject. "Plays" is the present tense third person singular conjugation of "play". For more information on infinitives, see the related link below.
The verb takes the base form (infinitive) without any inflection or addition of a subject.
The inflection in "slept" is past tense simple inflection of the verb "sleep."
So is not an infinitive. An infinitive is [to + a verb].
"To be" is the infinitive form of are.
The infinitive form of "did" is "to do".
An infinitive is the basic form of a verb, without an inflection binding it to a particular subject or tense (e.g., see in we came to see, let him see ).
The verb takes the base form (infinitive) without any inflection or addition of a subject.
So is not an infinitive. An infinitive is [to + a verb].
"To be" is the infinitive form of are.
The infinitive form of "did" is "to do".
marrege
"To run" is an infinitive because it is the base form of the verb without any tense or subject attached to it. Infinitives are commonly used after certain verbs or as subjects, complements, or objects in a sentence.
The infinitive of this verb is "vouloir".
Infinite surd is a term used in mathematics. The definition of an infinite surd is a never ending irrational number with an exact value that would be left in square root form.
The word jogging is not simply an infinitive. An infinitive is [to + a verb]. To jog would be an infinitive.
The infinitive is a non-finite verb form that does not indicate tense by itself. It can be used with auxiliary verbs to express different tenses.
Infinitive is the basic form of a verb. "Let" is the infinitive in this case.