A very basic question that I should not ask but I ask anyway :) Why we say "To be verbs" when it is actually "an infinitive". I think if it was a verb, then it mustn't have forms such as (am, is, are). This must actually be an infinitive with the base verb "be" and other forms based on different tenses. I mean we should say "be" verb instead of "to be" verbs. Also, if "to be" was a verb, it's meaning should be similar based on each subject. Take the example of "to walk". We say it's an infinitive with "walk" as a base verb. And the meaning of "walk" is intact based on the subjects. But, for "to be" it seems it is reverse.