A contraction. I is a noun/subject of a sentence. Am (the 'm) is a verb.
A contraction is not one of the parts of speech.
Were is a verb. It is a past tense of the verb "be."I wasWe wereYou wereHe/She/It wasThey were
"Wasn't" is not traditionally a part of speech at all, because it is a contraction for "was not"; the "was" part of this contraction is a verb, singular past tense of "to be"; "not" is an adverb.
The word hadn't is a contraction. A contraction is a merging of two words (usually with not or is) with an apostrophe identifying the splitting point between both words.
A noun of the abstract type.
A contraction is not one of the parts of speech.
The word haven't is a contraction. It is a contraction of the words have and not.
"Did not" or "didn't" is a contraction of the auxiliary verb "did" and the adverb "not," forming a negative past tense construction in English.
"That'll" is not a part of speech at all; it is a contraction for "that will", in which "that" is a pronoun and "will" an auxiliary verb.
Doesn't is a contraction for does not, a verb.
"There's" is a contraction of "there is" or "there has," so it can function as either a contraction of a verb (is or has) or as a pronoun combined with a verb. In this case, it acts as a subject followed by a verb.
object pronoun
It'll is a contraction of two parts of speech, it (pronoun) and will (verb).
This'll is a contraction of two parts of speech, this (pronoun) and will (verb).
We'll is a contraction of two parts of speech, we (pronoun) and (will) verb.
"Hadn't" is a contraction of "had not" and is a verb phrase.
He'll is a contraction of two parts of speech, he (pronoun) and will (auxiliary verb).