to crumble
Regular verb: crumble - crumbled- crumbled

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 don't I crumble?
don't you crumble?
doesn't he crumble?
don't we crumble?
don't you crumble?
don't they crumble? 	amI not crumbling?
aren't you crumbling?
isn't he crumbling?
aren't we crumbling?
aren't you crumbling?
aren't they crumbling? 	didn't I crumble?
didn't you crumble?
didn't he crumble?
didn't we crumble?
didn't you crumble?
didn't they crumble? 	wasn't I crumbling?
weren't you crumbling?
wasn't he crumbling?
weren't we crumbling?
weren't you crumbling?
weren't they crumbling? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
haven't I crumbled?
haven't you crumbled?
hasn't he crumbled?
haven't we crumbled?
haven't you crumbled?
haven't they crumbled? 	haven't I been crumbling?
haven't you been crumbling?
hasn't he been crumbling?
haven't we been crumbling?
haven't you been crumbling?
haven't they been crumbling? 	hadn't I crumbled?
hadn't you crumbled?
hadn't he crumbled?
hadn't we crumbled?
hadn't you crumbled?
hadn't they crumbled? 	hadn't I been crumbling?
hadn't you been crumbling?
hadn't he been crumbling?
hadn't we been crumbling?
hadn't you been crumbling?
hadn't they been crumbling? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
won't I crumble?
won't you crumble?
won't he crumble?
won't we crumble?
won't you crumble?
won't they crumble? 	won't I be crumbling?
won't you be crumbling?
won't he be crumbling?
won't we be crumbling?
won't you be crumbling?
won't they be crumbling? 	won't I have crumbled?
won't you have crumbled?
won't he have crumbled?
won't we have crumbled?
won't you have crumbled?
won't they have crumbled? 	won't I have been crumbling?
won't you have been crumbling?
won't he have been crumbling?
won't we have been crumbling?
won't you have been crumbling?
won't they have been crumbling? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I crumble?
wouldn't you crumble?
wouldn't he crumble?
wouldn't we crumble?
wouldn't you crumble?
wouldn't they crumble? 	wouldn't I be crumbling?
wouldn't you be crumbling?
wouldn't he be crumbling?
wouldn't we be crumbling?
wouldn't you be crumbling?
wouldn't they be crumbling? 	wouldn't I have crumbled?
wouldn't you have crumbled?
wouldn't he have crumbled?
wouldn't we have crumbled?
wouldn't you have crumbled?
wouldn't they have crumbled? 	wouldn't I have been crumbling?
wouldn't you have been crumbling?
wouldn't he have been crumbling?
wouldn't we have been crumbling?
wouldn't you have been crumbling?
wouldn't they have been crumbling? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to crumble 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
crumbling	crumbled