Conjugation of the verb strengthen

Indicative
Present
Istrengthen
youstrengthen
he/she/itstrengthens
westrengthen
youstrengthen
theystrengthen
Present Progressive
Iam strengthening
youare strengthening
he/she/itis strengthening
weare strengthening
youare strengthening
theyare strengthening
Past
Istrengthened
youstrengthened
he/she/itstrengthened
westrengthened
youstrengthened
theystrengthened
Past Progressive
Iwas strengthening
youwere strengthening
he/she/itwas strengthening
wewere strengthening
youwere strengthening
theywere strengthening
Perfect
Ihave strengthened
youhave strengthened
he/she/ithas strengthened
wehave strengthened
youhave strengthened
theyhave strengthened
Perfect Progressive
Ihave been strengthening
youhave been strengthening
he/she/ithas been strengthening
wehave been strengthening
youhave been strengthening
theyhave been strengthening
Pluperfect I
Ihad strengthened
youhad strengthened
he/she/ithad strengthened
wehad strengthened
youhad strengthened
theyhad strengthened
Pluperfect II
Ihad strengthened
youhad strengthened
he/she/ithad strengthened
wehad strengthened
youhad strengthened
theyhad strengthened
Future I
Iwill strengthen
youwill strengthen
he/she/itwill strengthen
wewill strengthen
youwill strengthen
theywill strengthen
Future II
Iam going to strengthen
youare going to strengthen
he/she/itis going to strengthen
weare going to strengthen
youare going to strengthen
theyare going to strengthen
Future Progressive
Iwill be strengthening
youwill be strengthening
he/she/itwill be strengthening
wewill be strengthening
youwill be strengthening
theywill be strengthening
Future Perfect
Iwill have strengthened
youwill have strengthened
he/she/itwill have strengthened
wewill have strengthened
youwill have strengthened
theywill have strengthened
Conditional
Present
Iwould strengthen
youwould strengthen
he/she/itwould strengthen
wewould strengthen
youwould strengthen
theywould strengthen
Progressive
Iwould be strengthening
youwould be strengthening
he/she/itwould be strengthening
wewould be strengthening
youwould be strengthening
theywould be strengthening
Past Progressive
Iwould have been strengthening
youwould have been strengthening
he/she/itwould have been strengthening
wewould have been strengthening
youwould have been strengthening
theywould have been strengthening
Subjunctive
Present
Istrengthen
youstrengthen
he/she/itstrengthens
westrengthen
youstrengthen
theystrengthen
Present Perfect
Ihave strengthened
youhave strengthened
he/she/ithas strengthened
wehave strengthened
youhave strengthened
theyhave strengthened
Past
Istrengthened
youstrengthened
he/she/itstrengthened
westrengthened
youstrengthened
theystrengthened
Pluperfect I
Ihad strengthened
youhad strengthened
he/she/ithad strengthened
wehad strengthened
youhad strengthened
theyhad strengthened
Past
Istrengthened
youstrengthened
he/she/itstrengthened
westrengthened
youstrengthened
theystrengthened
Pluperfect II
Ihad strengthened
youhad strengthened
he/she/ithad strengthened
wehad strengthened
youhad strengthened
theyhad strengthened
Imperative
Imperative
youstrengthen
he/she/itstrengthen
welet us strengthen
youstrengthen
theystrengthen
Negative Imperative
youdo not strengthen
he/she/itdo not strengthen
welet us not strengthen
youdo not strengthen
theydo not strengthen