Emily Dickinson Lexicon

have (had, had'st, has, hast, hath, having, hav'nt), v². [OE habban; auxiliary or modal.] (webplay: befall, esteem, fall, hastily, power, seize, take).

1. [Present perfect.]
2. [Have (present perfect) + infinitive] needs; is obligated.
3. [Subjunctive] if.
4. [Past perfect.]
5. [Subjunctive possessive.]
6. [Had (past perfect) + infinitive] needed; was obligated.
7. Phrase. “Have to” [periphrastic modal]: must; should; ought to.
8. Phrase. “Hav'nt You”: have you not? [negated tag question for affirmative emphasis] surely; certainly you have.