can fumble
Verbo regular: fumble - fumbled- fumbled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can fumble
you can fumble
she can fumble
we can fumble
you can fumble
they can fumble 	I can be fumbling
you can be fumbling
she can be fumbling
we can be fumbling
you can be fumbling
they can be fumbling	I can have fumbled
you can have fumbled
she 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
she can have been fumbling
we can have been fumbling
you can have been fumbling
they can have been fumbling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot fumble
you cannot fumble
she cannot fumble
we cannot fumble
you cannot fumble
they cannot fumble 	I cannot be fumbling
you cannot be fumbling
she cannot be fumbling
we cannot be fumbling
you cannot be fumbling
they cannot be fumbling	I cannot have fumbled
you cannot have fumbled
she cannot have fumbled
we cannot have fumbled
you cannot have fumbled
they cannot have fumbled	I cannot have been fumbling
you cannot have been fumbling
she cannot have been fumbling
we cannot have been fumbling
you cannot have been fumbling
they cannot have been fumbling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I fumble?
can you fumble?
can she fumble?
can we fumble?
can you fumble?
can they fumble? 	can I be fumbling?
can you be fumbling?
can she be fumbling?
can we be fumbling?
can you be fumbling?
can they be fumbling? 	can I have fumbled?
can you have fumbled?
can she 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 she have been fumbling?
can we have been fumbling?
can you have been fumbling?
can they have been fumbling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not fumble?
can you not fumble?
can she not fumble?
can we not fumble?
can you not fumble?
can they not fumble? 	can I not be fumbling?
can you not be fumbling?
can she not be fumbling?
can we not be fumbling?
can you not be fumbling?
can they not be fumbling? 	can I not have fumbled?
can you not have fumbled?
can she not have fumbled?
can we not have fumbled?
can you not have fumbled?
can they not have fumbled? 	can I not have been fumbling?
can you not have been fumbling?
can she not have been fumbling?
can we not have been fumbling?
can you not have been fumbling?
can they not have been fumbling?