Neither. It is a form of the linking verb 'become' (is now).
The present perfect tense of a verb uses "has" or "have" as a helper verb.
No. Walk is a verb, or a noun (an action or a place). It cannot be a preposition.
No, "wrote" is not a preposition. It is a verb that indicates the action of writing.
No. Undo is a verb. It cannot be used as a preposition.
No. Wait cannot be a preposition. It is a verb or a noun.
No, it is not a preposition. The word do is a noun or verb or helper verb.
No. Walk is a verb, or a noun (an action or a place). It cannot be a preposition.
No, "wrote" is not a preposition. It is a verb that indicates the action of writing.
Along is not a verb. It is a preposition.
Preposition
No. In is a preposition.
No. Undo is a verb. It cannot be used as a preposition.
No. Wait cannot be a preposition. It is a verb or a noun.
No, it is not a preposition. The word do is a noun or verb or helper verb.
No, "poured" is not a preposition. It is a verb that describes the action of pouring.
No, the word "forget" is not a preposition. It is a verb used to describe the action of not remembering something.
No, it is not a preposition. The word move is a verb, or a noun.
"After" is a preposition, not an action verb. It is commonly used to indicate the time following an action or event.