English verb conjugation
TO CONCERN

Regular verb: concern - concerned - concerned

Indicative

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

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I concern? wouldn't you concern? wouldn't he concern? wouldn't we concern? wouldn't you concern? wouldn't they concern?	wouldn't I be concerning? wouldn't you be concerning? wouldn't he be concerning? wouldn't we be concerning? wouldn't you be concerning? wouldn't they be concerning?	wouldn't I have concerned? wouldn't you have concerned? wouldn't he have concerned? wouldn't we have concerned? wouldn't you have concerned? wouldn't they have concerned?	wouldn't I have been concerning? wouldn't you have been concerning? wouldn't he have been concerning? wouldn't we have been concerning? wouldn't you have been concerning? wouldn't they have been concerning?

Infinitive

Imperative

Infinitive		Imperative
to concern		- - -

Participle

Present	Past
concerning	concerned