can backfit
Verbo irregular: backfit - backfit, backfitted- backfit, backfitted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can backfit
you can backfit
she can backfit
we can backfit
you can backfit
they can backfit 	I can be backfiting
you can be backfiting
she can be backfiting
we can be backfiting
you can be backfiting
they can be backfiting	I can have backfit, backfitted
you can have backfit, backfitted
she can have backfit, backfitted
we can have backfit, backfitted
you can have backfit, backfitted
they can have backfit, backfitted	I can have been backfiting
you can have been backfiting
she can have been backfiting
we can have been backfiting
you can have been backfiting
they can have been backfiting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot backfit
you cannot backfit
she cannot backfit
we cannot backfit
you cannot backfit
they cannot backfit 	I cannot be backfiting
you cannot be backfiting
she cannot be backfiting
we cannot be backfiting
you cannot be backfiting
they cannot be backfiting	I cannot have backfit, backfitted
you cannot have backfit, backfitted
she cannot have backfit, backfitted
we cannot have backfit, backfitted
you cannot have backfit, backfitted
they cannot have backfit, backfitted	I cannot have been backfiting
you cannot have been backfiting
she cannot have been backfiting
we cannot have been backfiting
you cannot have been backfiting
they cannot have been backfiting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I backfit?
can you backfit?
can she backfit?
can we backfit?
can you backfit?
can they backfit? 	can I be backfiting?
can you be backfiting?
can she be backfiting?
can we be backfiting?
can you be backfiting?
can they be backfiting? 	can I have backfit, backfitted?
can you have backfit, backfitted?
can she have backfit, backfitted?
can we have backfit, backfitted?
can you have backfit, backfitted?
can they have backfit, backfitted? 	can I have been backfiting?
can you have been backfiting?
can she have been backfiting?
can we have been backfiting?
can you have been backfiting?
can they have been backfiting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not backfit?
can you not backfit?
can she not backfit?
can we not backfit?
can you not backfit?
can they not backfit? 	can I not be backfiting?
can you not be backfiting?
can she not be backfiting?
can we not be backfiting?
can you not be backfiting?
can they not be backfiting? 	can I not have backfit, backfitted?
can you not have backfit, backfitted?
can she not have backfit, backfitted?
can we not have backfit, backfitted?
can you not have backfit, backfitted?
can they not have backfit, backfitted? 	can I not have been backfiting?
can you not have been backfiting?
can she not have been backfiting?
can we not have been backfiting?
can you not have been backfiting?
can they not have been backfiting?