Yes it is because have is a verb so haven't is a verb too
"Had" is a verb. It is the past tense of the verb "have."
Examples of words ending in -tch with their corresponding parts of speech:batch = verb, nounblotch = verb, nouncatch = verb, nounclutch = verb, noun, adjectivecrutch = nounditch = verb, nounDutch = noun, adjectivedutch = adverbfetch = verb, nounglitch = verb, nounhatch = verb, nounhutch = nounitch = verb, nounlatch = verb, nounmatch = verb, nounpatch = verb, nounpitch = verb, nounscratch = verb, noun, adjectivesketch = verb, nounstitch = verb, nounstretch = verb, noun, adjectiveswitch = verb, nounthatch = verb, nountwitch = verb, nounwatch = verb, nounwitch = verb, noun
The verb 'be' can function as both a linking verb and a helping verb. As a linking verb, it connects the subject with a subject complement that describes or renames it. As a helping verb, 'be' is used in progressive tenses and passive voice constructions to indicate the tense of the main verb.
verb
Helping verb.
they havent. they havent.
they havent
she havent got it
no i havent!!
Havent: Contraction for "Have Not"
no she havent
i dontnow cause i havent done it i dontnow cause i havent done it
They do, as long as u havent downloaded the game yet and havent seen the activation code. Contact cust. Servce.
havent got any right now actualy. havent got any right now actualy.
Periods come and go, I wouldn't worry to much :)
they havent
no they havent