English verb conjugation
TO WARN

Regular verb: warn - warned - warned

Indicative

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

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I warn? wouldn't you warn? wouldn't he warn? wouldn't we warn? wouldn't you warn? wouldn't they warn?	wouldn't I be warning? wouldn't you be warning? wouldn't he be warning? wouldn't we be warning? wouldn't you be warning? wouldn't they be warning?	wouldn't I have warned? wouldn't you have warned? wouldn't he have warned? wouldn't we have warned? wouldn't you have warned? wouldn't they have warned?	wouldn't I have been warning? wouldn't you have been warning? wouldn't he have been warning? wouldn't we have been warning? wouldn't you have been warning? wouldn't they have been warning?

Infinitive

Imperative

Infinitive		Imperative
to warn		- - -

Participle

Present	Past
warning	warned