Conjugation of the verb crumble

Indicative
Present
Icrumble
youcrumble
he/she/itcrumbles
wecrumble
youcrumble
theycrumble
Present Progressive
Iam crumbling
youare crumbling
he/she/itis crumbling
weare crumbling
youare crumbling
theyare crumbling
Past
Icrumbled
youcrumbled
he/she/itcrumbled
wecrumbled
youcrumbled
theycrumbled
Past Progressive
Iwas crumbling
youwere crumbling
he/she/itwas crumbling
wewere crumbling
youwere crumbling
theywere crumbling
Perfect
Ihave crumbled
youhave crumbled
he/she/ithas crumbled
wehave crumbled
youhave crumbled
theyhave crumbled
Perfect Progressive
Ihave been crumbling
youhave been crumbling
he/she/ithas been crumbling
wehave been crumbling
youhave been crumbling
theyhave been crumbling
Pluperfect I
Ihad crumbled
youhad crumbled
he/she/ithad crumbled
wehad crumbled
youhad crumbled
theyhad crumbled
Pluperfect II
Ihad crumbled
youhad crumbled
he/she/ithad crumbled
wehad crumbled
youhad crumbled
theyhad crumbled
Future I
Iwill crumble
youwill crumble
he/she/itwill crumble
wewill crumble
youwill crumble
theywill crumble
Future II
Iam going to crumble
youare going to crumble
he/she/itis going to crumble
weare going to crumble
youare going to crumble
theyare going to crumble
Future Progressive
Iwill be crumbling
youwill be crumbling
he/she/itwill be crumbling
wewill be crumbling
youwill be crumbling
theywill be crumbling
Future Perfect
Iwill have crumbled
youwill have crumbled
he/she/itwill have crumbled
wewill have crumbled
youwill have crumbled
theywill have crumbled
Conditional
Present
Iwould crumble
youwould crumble
he/she/itwould crumble
wewould crumble
youwould crumble
theywould crumble
Progressive
Iwould be crumbling
youwould be crumbling
he/she/itwould be crumbling
wewould be crumbling
youwould be crumbling
theywould be crumbling
Past Progressive
Iwould have been crumbling
youwould have been crumbling
he/she/itwould have been crumbling
wewould have been crumbling
youwould have been crumbling
theywould have been crumbling
Subjunctive
Present
Icrumble
youcrumble
he/she/itcrumbles
wecrumble
youcrumble
theycrumble
Present Perfect
Ihave crumbled
youhave crumbled
he/she/ithas crumbled
wehave crumbled
youhave crumbled
theyhave crumbled
Past
Icrumbled
youcrumbled
he/she/itcrumbled
wecrumbled
youcrumbled
theycrumbled
Pluperfect I
Ihad crumbled
youhad crumbled
he/she/ithad crumbled
wehad crumbled
youhad crumbled
theyhad crumbled
Past
Icrumbled
youcrumbled
he/she/itcrumbled
wecrumbled
youcrumbled
theycrumbled
Pluperfect II
Ihad crumbled
youhad crumbled
he/she/ithad crumbled
wehad crumbled
youhad crumbled
theyhad crumbled
Imperative
Imperative
youcrumble
he/she/itcrumble
welet us crumble
youcrumble
theycrumble
Negative Imperative
youdo not crumble
he/she/itdo not crumble
welet us not crumble
youdo not crumble
theydo not crumble