The infinitive form of "said" is "to say".
infinitive: say past: said past participle: said
The infinitive form of "am" is "to be," the infinitive form of "is" is "to be," and the infinitive form of "was" is "to be."
"To be" is the infinitive form of are.
The infinitive form of had and has is to have.
The infinitive form of "was" and "were" is "to be." The infinitive form of "are" is also "to be."
To say
as a noun: número . As a verb: Numerar (Infinitive)
infinitive: say past: said past participle: said
The infinitive form of "am" is "to be," the infinitive form of "is" is "to be," and the infinitive form of "was" is "to be."
you are derives from the infinitive of to be. The infinitive that belongs to 'you are' is 'to be'.
The infinitive form of had and has is to have.
"To be" is the infinitive form of are.
The word jogging is not simply an infinitive. An infinitive is [to + a verb]. To jog would be an infinitive.
The infinitive "to read" is a bare infinitive.
The infinitive form of "was" and "were" is "to be." The infinitive form of "are" is also "to be."
So is not an infinitive. An infinitive is [to + a verb].
The infinitive form of "is am are" is "to be."