Would they're you've weren't needn't and there'd be a verb pronoun or noun?

The contractions are varying combinations that all include a verb form:

• they're = they (pronoun) and are (verb or auxiliary verb)
• you've = you (pronoun) and have (verb or auxiliary verb)
• weren't = were (verb or auxiliary verb) and not (adverb)
• needn't = need (verb or auxiliary verb) and not (adverb)
• there'd = there (pronoun) and would (verb or auxiliary verb)