can crumble
Verbe régulier : crumble - crumbled- crumbled
Traduction française : émietter - s'émietter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can crumble
you can crumble
she can crumble
we can crumble
you can crumble
they can crumble 	I can be crumbling
you can be crumbling
she can be crumbling
we can be crumbling
you can be crumbling
they can be crumbling	I can have crumbled
you can have crumbled
she can have crumbled
we can have crumbled
you can have crumbled
they can have crumbled	I can have been crumbling
you can have been crumbling
she can have been crumbling
we can have been crumbling
you can have been crumbling
they can have been crumbling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot crumble
you cannot crumble
she cannot crumble
we cannot crumble
you cannot crumble
they cannot crumble 	I cannot be crumbling
you cannot be crumbling
she cannot be crumbling
we cannot be crumbling
you cannot be crumbling
they cannot be crumbling	I cannot have crumbled
you cannot have crumbled
she cannot have crumbled
we cannot have crumbled
you cannot have crumbled
they cannot have crumbled	I cannot have been crumbling
you cannot have been crumbling
she cannot have been crumbling
we cannot have been crumbling
you cannot have been crumbling
they cannot have been crumbling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I crumble?
can you crumble?
can she crumble?
can we crumble?
can you crumble?
can they crumble? 	can I be crumbling?
can you be crumbling?
can she be crumbling?
can we be crumbling?
can you be crumbling?
can they be crumbling? 	can I have crumbled?
can you have crumbled?
can she have crumbled?
can we have crumbled?
can you have crumbled?
can they have crumbled? 	can I have been crumbling?
can you have been crumbling?
can she have been crumbling?
can we have been crumbling?
can you have been crumbling?
can they have been crumbling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not crumble?
can you not crumble?
can she not crumble?
can we not crumble?
can you not crumble?
can they not crumble? 	can I not be crumbling?
can you not be crumbling?
can she not be crumbling?
can we not be crumbling?
can you not be crumbling?
can they not be crumbling? 	can I not have crumbled?
can you not have crumbled?
can she not have crumbled?
can we not have crumbled?
can you not have crumbled?
can they not have crumbled? 	can I not have been crumbling?
can you not have been crumbling?
can she not have been crumbling?
can we not have been crumbling?
can you not have been crumbling?
can they not have been crumbling?