can fumble
Verbe régulier : fumble - fumbled- fumbled
Traduction française : tâtonner - manier gauchement ou maladroitement 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can fumble
you can fumble
he can fumble
we can fumble
you can fumble
they can fumble 	I can be fumbling
you can be fumbling
he can be fumbling
we can be fumbling
you can be fumbling
they can be fumbling	I can have fumbled
you can have fumbled
he can have fumbled
we can have fumbled
you can have fumbled
they can have fumbled	I can have been fumbling
you can have been fumbling
he can have been fumbling
we can have been fumbling
you can have been fumbling
they can have been fumbling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't fumble
you can't fumble
he can't fumble
we can't fumble
you can't fumble
they can't fumble 	I can't be fumbling
you can't be fumbling
he can't be fumbling
we can't be fumbling
you can't be fumbling
they can't be fumbling	I can't have fumbled
you can't have fumbled
he can't have fumbled
we can't have fumbled
you can't have fumbled
they can't have fumbled	I can't have been fumbling
you can't have been fumbling
he can't have been fumbling
we can't have been fumbling
you can't have been fumbling
they can't have been fumbling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I fumble?
can you fumble?
can he fumble?
can we fumble?
can you fumble?
can they fumble? 	can I be fumbling?
can you be fumbling?
can he be fumbling?
can we be fumbling?
can you be fumbling?
can they be fumbling? 	can I have fumbled?
can you have fumbled?
can he have fumbled?
can we have fumbled?
can you have fumbled?
can they have fumbled? 	can I have been fumbling?
can you have been fumbling?
can he have been fumbling?
can we have been fumbling?
can you have been fumbling?
can they have been fumbling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I fumble?
can't you fumble?
can't he fumble?
can't we fumble?
can't you fumble?
can't they fumble? 	can't I be fumbling?
can't you be fumbling?
can't he be fumbling?
can't we be fumbling?
can't you be fumbling?
can't they be fumbling? 	can't I have fumbled?
can't you have fumbled?
can't he have fumbled?
can't we have fumbled?
can't you have fumbled?
can't they have fumbled? 	can't I have been fumbling?
can't you have been fumbling?
can't he have been fumbling?
can't we have been fumbling?
can't you have been fumbling?
can't they have been fumbling?