English verb conjugation
TO YACK

Regular verb: yack - yacked - yacked

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I yack? don't you yack? doesn't he yack? don't we yack? don't you yack? don't they yack?	am I not yacking? aren't you yacking? isn't he yacking? aren't we yacking? aren't you yacking? aren't they yacking?	didn't I yack? didn't you yack? didn't he yack? didn't we yack? didn't you yack? didn't they yack?	wasn't I yacking? weren't you yacking? wasn't he yacking? weren't we yacking? weren't you yacking? weren't they yacking?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I yacked? haven't you yacked? hasn't he yacked? haven't we yacked? haven't you yacked? haven't they yacked?	haven't I been yacking? haven't you been yacking? hasn't he been yacking? haven't we been yacking? haven't you been yacking? haven't they been yacking?	hadn't I yacked? hadn't you yacked? hadn't he yacked? hadn't we yacked? hadn't you yacked? hadn't they yacked?	hadn't I been yacking? hadn't you been yacking? hadn't he been yacking? hadn't we been yacking? hadn't you been yacking? hadn't they been yacking?
Future	Future continuous	Future perfect	Future perfect continuous
won't I yack? won't you yack? won't he yack? won't we yack? won't you yack? won't they yack?	won't I be yacking? won't you be yacking? won't he be yacking? won't we be yacking? won't you be yacking? won't they be yacking?	won't I have yacked? won't you have yacked? won't he have yacked? won't we have yacked? won't you have yacked? won't they have yacked?	won't I have been yacking? won't you have been yacking? won't he have been yacking? won't we have been yacking? won't you have been yacking? won't they have been yacking?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I yack? wouldn't you yack? wouldn't he yack? wouldn't we yack? wouldn't you yack? wouldn't they yack?	wouldn't I be yacking? wouldn't you be yacking? wouldn't he be yacking? wouldn't we be yacking? wouldn't you be yacking? wouldn't they be yacking?	wouldn't I have yacked? wouldn't you have yacked? wouldn't he have yacked? wouldn't we have yacked? wouldn't you have yacked? wouldn't they have yacked?	wouldn't I have been yacking? wouldn't you have been yacking? wouldn't he have been yacking? wouldn't we have been yacking? wouldn't you have been yacking? wouldn't they have been yacking?

Infinitive

Imperative

Infinitive		Imperative
to yack		- - -

Participle

Present	Past
yacking	yacked