Conjugation of the verb concern

Indicative
Present
Iconcern
youconcern
he/she/itconcerns
weconcern
youconcern
theyconcern
Present Progressive
Iam concerning
youare concerning
he/she/itis concerning
weare concerning
youare concerning
theyare concerning
Past
Iconcerned
youconcerned
he/she/itconcerned
weconcerned
youconcerned
theyconcerned
Past Progressive
Iwas concerning
youwere concerning
he/she/itwas concerning
wewere concerning
youwere concerning
theywere concerning
Perfect
Ihave concerned
youhave concerned
he/she/ithas concerned
wehave concerned
youhave concerned
theyhave concerned
Perfect Progressive
Ihave been concerning
youhave been concerning
he/she/ithas been concerning
wehave been concerning
youhave been concerning
theyhave been concerning
Pluperfect I
Ihad concerned
youhad concerned
he/she/ithad concerned
wehad concerned
youhad concerned
theyhad concerned
Pluperfect II
Ihad concerned
youhad concerned
he/she/ithad concerned
wehad concerned
youhad concerned
theyhad concerned
Future I
Iwill concern
youwill concern
he/she/itwill concern
wewill concern
youwill concern
theywill concern
Future II
Iam going to concern
youare going to concern
he/she/itis going to concern
weare going to concern
youare going to concern
theyare going to concern
Future Progressive
Iwill be concerning
youwill be concerning
he/she/itwill be concerning
wewill be concerning
youwill be concerning
theywill be concerning
Future Perfect
Iwill have concerned
youwill have concerned
he/she/itwill have concerned
wewill have concerned
youwill have concerned
theywill have concerned
Conditional
Present
Iwould concern
youwould concern
he/she/itwould concern
wewould concern
youwould concern
theywould concern
Progressive
Iwould be concerning
youwould be concerning
he/she/itwould be concerning
wewould be concerning
youwould be concerning
theywould be concerning
Past Progressive
Iwould have been concerning
youwould have been concerning
he/she/itwould have been concerning
wewould have been concerning
youwould have been concerning
theywould have been concerning
Subjunctive
Present
Iconcern
youconcern
he/she/itconcerns
weconcern
youconcern
theyconcern
Present Perfect
Ihave concerned
youhave concerned
he/she/ithas concerned
wehave concerned
youhave concerned
theyhave concerned
Past
Iconcerned
youconcerned
he/she/itconcerned
weconcerned
youconcerned
theyconcerned
Pluperfect I
Ihad concerned
youhad concerned
he/she/ithad concerned
wehad concerned
youhad concerned
theyhad concerned
Past
Iconcerned
youconcerned
he/she/itconcerned
weconcerned
youconcerned
theyconcerned
Pluperfect II
Ihad concerned
youhad concerned
he/she/ithad concerned
wehad concerned
youhad concerned
theyhad concerned
Imperative
Imperative
youconcern
he/she/itconcern
welet us concern
youconcern
theyconcern
Negative Imperative
youdo not concern
he/she/itdo not concern
welet us not concern
youdo not concern
theydo not concern