to crumble
Regular verb: crumble - crumbled- crumbled

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 do I crumble?
do you crumble?
doesshe crumble?
do we crumble?
do you crumble?
do they crumble? 	amI crumbling?
areyou crumbling?
isshe crumbling?
arewe crumbling?
areyou crumbling?
arethey crumbling? 	did I crumble?
did you crumble?
did she crumble?
did we crumble?
did you crumble?
did they crumble? 	wasI crumbling?
wereyou crumbling?
wasshe crumbling?
werewe crumbling?
wereyou crumbling?
werethey crumbling? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
 have I crumbled?
have you crumbled?
hasshe crumbled?
have we crumbled?
have you crumbled?
have they crumbled? 	 have I been crumbling?
have you been crumbling?
hasshe been crumbling?
have we been crumbling?
have you been crumbling?
have they been crumbling? 	had I crumbled?
had you crumbled?
had she crumbled?
had we crumbled?
had you crumbled?
had they crumbled? 	had I been crumbling?
had you been crumbling?
had she been crumbling?
had we been crumbling?
had you been crumbling?
had they been crumbling? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
 will I crumble?
 will you crumble?
 will she crumble?
 will we crumble?
 will you crumble?
 will they crumble? 	 will I be crumbling?
 will you be crumbling?
 will she be crumbling?
 will we be crumbling?
 will you be crumbling?
 will they be crumbling? 	 will I have crumbled?
 will you have crumbled?
 will she have crumbled?
 will we have crumbled?
 will you have crumbled?
 will they have crumbled? 	 will I have been crumbling?
 will you have been crumbling?
 will she have been crumbling?
 will we have been crumbling?
 will you have been crumbling?
 will they have been crumbling? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
 would I crumble?
 would you crumble?
 would she crumble?
 would we crumble?
 would you crumble?
 would they crumble? 	 would I be crumbling?
 would you be crumbling?
 would she be crumbling?
 would we be crumbling?
 would you be crumbling?
 would they be crumbling? 	 would I have crumbled?
 would you have crumbled?
 would she have crumbled?
 would we have crumbled?
 would you have crumbled?
 would they have crumbled? 	 would I have been crumbling?
 would you have been crumbling?
 would she have been crumbling?
 would we have been crumbling?
 would you have been crumbling?
 would they have been crumbling? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to crumble 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
crumbling	crumbled