Conjugation of the verb understand

Indicative
Present
Iunderstand
youunderstand
he/she/itunderstands
weunderstand
youunderstand
theyunderstand
Present Progressive
Iam understanding
youare understanding
he/she/itis understanding
weare understanding
youare understanding
theyare understanding
Past
Iunderstood
youunderstood
he/she/itunderstood
weunderstood
youunderstood
theyunderstood
Past Progressive
Iwas understanding
youwere understanding
he/she/itwas understanding
wewere understanding
youwere understanding
theywere understanding
Perfect
Ihave understood
youhave understood
he/she/ithas understood
wehave understood
youhave understood
theyhave understood
Perfect Progressive
Ihave been understanding
youhave been understanding
he/she/ithas been understanding
wehave been understanding
youhave been understanding
theyhave been understanding
Pluperfect I
Ihad understood
youhad understood
he/she/ithad understood
wehad understood
youhad understood
theyhad understood
Pluperfect II
Ihad understood
youhad understood
he/she/ithad understood
wehad understood
youhad understood
theyhad understood
Future I
Iwill understand
youwill understand
he/she/itwill understand
wewill understand
youwill understand
theywill understand
Future II
Iam going to understand
youare going to understand
he/she/itis going to understand
weare going to understand
youare going to understand
theyare going to understand
Future Progressive
Iwill be understanding
youwill be understanding
he/she/itwill be understanding
wewill be understanding
youwill be understanding
theywill be understanding
Future Perfect
Iwill have understood
youwill have understood
he/she/itwill have understood
wewill have understood
youwill have understood
theywill have understood
Conditional
Present
Iwould understand
youwould understand
he/she/itwould understand
wewould understand
youwould understand
theywould understand
Progressive
Iwould be understanding
youwould be understanding
he/she/itwould be understanding
wewould be understanding
youwould be understanding
theywould be understanding
Past Progressive
Iwould have been understanding
youwould have been understanding
he/she/itwould have been understanding
wewould have been understanding
youwould have been understanding
theywould have been understanding
Subjunctive
Present
Iunderstand
youunderstand
he/she/itunderstands
weunderstand
youunderstand
theyunderstand
Present Perfect
Ihave understood
youhave understood
he/she/ithas understood
wehave understood
youhave understood
theyhave understood
Past
Iunderstood
youunderstood
he/she/itunderstood
weunderstood
youunderstood
theyunderstood
Pluperfect I
Ihad understood
youhad understood
he/she/ithad understood
wehad understood
youhad understood
theyhad understood
Past
Iunderstood
youunderstood
he/she/itunderstood
weunderstood
youunderstood
theyunderstood
Pluperfect II
Ihad understood
youhad understood
he/she/ithad understood
wehad understood
youhad understood
theyhad understood
Imperative
Imperative
youunderstand
he/she/itunderstand
welet us understand
youunderstand
theyunderstand
Negative Imperative
youdo not understand
he/she/itdo not understand
welet us not understand
youdo not understand
theydo not understand