English verb conjugation
TO THUMBTACK

Regular verb: thumbtack - thumbtacked - thumbtacked

Indicative

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

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I thumbtack? wouldn't you thumbtack? wouldn't he thumbtack? wouldn't we thumbtack? wouldn't you thumbtack? wouldn't they thumbtack?	wouldn't I be thumbtacking? wouldn't you be thumbtacking? wouldn't he be thumbtacking? wouldn't we be thumbtacking? wouldn't you be thumbtacking? wouldn't they be thumbtacking?	wouldn't I have thumbtacked? wouldn't you have thumbtacked? wouldn't he have thumbtacked? wouldn't we have thumbtacked? wouldn't you have thumbtacked? wouldn't they have thumbtacked?	wouldn't I have been thumbtacking? wouldn't you have been thumbtacking? wouldn't he have been thumbtacking? wouldn't we have been thumbtacking? wouldn't you have been thumbtacking? wouldn't they have been thumbtacking?

Infinitive

Imperative

Infinitive		Imperative
to thumbtack		- - -

Participle

Present	Past
thumbtacking	thumbtacked