to crumple
Regular verb: crumple - crumpled- crumpled

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I crumple
you crumple
she crumples
we crumple
you crumple
they crumple 	I'mcrumpling
you'recrumpling
she'scrumpling
we'recrumpling
you'recrumpling
they'recrumpling	I crumpled
you crumpled
she crumpled
we crumpled
you crumpled
they crumpled	Iwascrumpling
youwerecrumpling
shewascrumpling
wewerecrumpling
youwerecrumpling
theywerecrumpling	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've crumpled
you've crumpled
she's crumpled
we've crumpled
you've crumpled
they've crumpled	I'vebeen crumpling
you'vebeen crumpling
she'sbeen crumpling
we'vebeen crumpling
you'vebeen crumpling
they'vebeen crumpling	I'd crumpled
you'd crumpled
she'd crumpled
we'd crumpled
you'd crumpled
they'd crumpled	I'd been crumpling
you'd been crumpling
she'd been crumpling
we'd been crumpling
you'd been crumpling
they'd been crumpling	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll crumple
you'll crumple
she'll crumple
we'll crumple
you'll crumple
they'll crumple 	I'll be crumpling
you'll be crumpling
she'll be crumpling
we'll be crumpling
you'll be crumpling
they'll be crumpling	I'll have crumpled
you'll have crumpled
she'll have crumpled
we'll have crumpled
you'll have crumpled
they'll have crumpled	I'll have been crumpling
you'll have been crumpling
she'll have been crumpling
we'll have been crumpling
you'll have been crumpling
they'll have been crumpling	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd crumple
you'd crumple
she'd crumple
we'd crumple
you'd crumple
they'd crumple 	I'd be crumpling
you'd be crumpling
she'd be crumpling
we'd be crumpling
you'd be crumpling
they'd be crumpling	I'd have crumpled
you'd have crumpled
she'd have crumpled
we'd have crumpled
you'd have crumpled
they'd have crumpled	I'd have been crumpling
you'd have been crumpling
she'd have been crumpling
we'd have been crumpling
you'd have been crumpling
they'd have been crumpling	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to crumple 	 	crumple
Let's crumple
crumple 	 	

Participle 	
Present 	Past 	 	 	
crumpling	crumpled