Conjugation of the verb sustain

Indicative
Present
Isustain
yousustain
he/she/itsustains
wesustain
yousustain
theysustain
Present Progressive
Iam sustaining
youare sustaining
he/she/itis sustaining
weare sustaining
youare sustaining
theyare sustaining
Past
Isustained
yousustained
he/she/itsustained
wesustained
yousustained
theysustained
Past Progressive
Iwas sustaining
youwere sustaining
he/she/itwas sustaining
wewere sustaining
youwere sustaining
theywere sustaining
Perfect
Ihave sustained
youhave sustained
he/she/ithas sustained
wehave sustained
youhave sustained
theyhave sustained
Perfect Progressive
Ihave been sustaining
youhave been sustaining
he/she/ithas been sustaining
wehave been sustaining
youhave been sustaining
theyhave been sustaining
Pluperfect I
Ihad sustained
youhad sustained
he/she/ithad sustained
wehad sustained
youhad sustained
theyhad sustained
Pluperfect II
Ihad sustained
youhad sustained
he/she/ithad sustained
wehad sustained
youhad sustained
theyhad sustained
Future I
Iwill sustain
youwill sustain
he/she/itwill sustain
wewill sustain
youwill sustain
theywill sustain
Future II
Iam going to sustain
youare going to sustain
he/she/itis going to sustain
weare going to sustain
youare going to sustain
theyare going to sustain
Future Progressive
Iwill be sustaining
youwill be sustaining
he/she/itwill be sustaining
wewill be sustaining
youwill be sustaining
theywill be sustaining
Future Perfect
Iwill have sustained
youwill have sustained
he/she/itwill have sustained
wewill have sustained
youwill have sustained
theywill have sustained
Conditional
Present
Iwould sustain
youwould sustain
he/she/itwould sustain
wewould sustain
youwould sustain
theywould sustain
Progressive
Iwould be sustaining
youwould be sustaining
he/she/itwould be sustaining
wewould be sustaining
youwould be sustaining
theywould be sustaining
Past Progressive
Iwould have been sustaining
youwould have been sustaining
he/she/itwould have been sustaining
wewould have been sustaining
youwould have been sustaining
theywould have been sustaining
Subjunctive
Present
Isustain
yousustain
he/she/itsustains
wesustain
yousustain
theysustain
Present Perfect
Ihave sustained
youhave sustained
he/she/ithas sustained
wehave sustained
youhave sustained
theyhave sustained
Past
Isustained
yousustained
he/she/itsustained
wesustained
yousustained
theysustained
Pluperfect I
Ihad sustained
youhad sustained
he/she/ithad sustained
wehad sustained
youhad sustained
theyhad sustained
Past
Isustained
yousustained
he/she/itsustained
wesustained
yousustained
theysustained
Pluperfect II
Ihad sustained
youhad sustained
he/she/ithad sustained
wehad sustained
youhad sustained
theyhad sustained
Imperative
Imperative
yousustain
he/she/itsustain
welet us sustain
yousustain
theysustain
Negative Imperative
youdo not sustain
he/she/itdo not sustain
welet us not sustain
youdo not sustain
theydo not sustain