English verb conjugation
TO INVALIDATE

Regular verb: invalidate - invalidated - invalidated

Indicative

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

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I invalidate? wouldn't you invalidate? wouldn't he invalidate? wouldn't we invalidate? wouldn't you invalidate? wouldn't they invalidate?	wouldn't I be invalidating? wouldn't you be invalidating? wouldn't he be invalidating? wouldn't we be invalidating? wouldn't you be invalidating? wouldn't they be invalidating?	wouldn't I have invalidated? wouldn't you have invalidated? wouldn't he have invalidated? wouldn't we have invalidated? wouldn't you have invalidated? wouldn't they have invalidated?	wouldn't I have been invalidating? wouldn't you have been invalidating? wouldn't he have been invalidating? wouldn't we have been invalidating? wouldn't you have been invalidating? wouldn't they have been invalidating?

Infinitive

Imperative

Infinitive		Imperative
to invalidate		- - -

Participle

Present	Past
invalidating	invalidated