Conjugación del verbo inglés
COULD BACKFIT

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

Afirmación

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

Negación

Forma simple	Forma con V-ing
I couldn't backfit you couldn't backfit she couldn't backfit we couldn't backfit you couldn't backfit they couldn't backfit	I couldn't be backfiting you couldn't be backfiting she couldn't be backfiting we couldn't be backfiting you couldn't be backfiting they couldn't be backfiting
Perfecto	Perfecto con V-ing
I couldn't have backfit, backfitted you couldn't have backfit, backfitted she couldn't have backfit, backfitted we couldn't have backfit, backfitted you couldn't have backfit, backfitted they couldn't have backfit, backfitted	I couldn't have been backfiting you couldn't have been backfiting she couldn't have been backfiting we couldn't have been backfiting you couldn't have been backfiting they couldn't have been backfiting

Forma interrogativa

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

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I backfit? couldn't you backfit? couldn't she backfit? couldn't we backfit? couldn't you backfit? couldn't they backfit?	couldn't I be backfiting? couldn't you be backfiting? couldn't she be backfiting? couldn't we be backfiting? couldn't you be backfiting? couldn't they be backfiting?
Perfecto	Perfecto con V-ing
couldn't I have backfit, backfitted? couldn't you have backfit, backfitted? couldn't she have backfit, backfitted? couldn't we have backfit, backfitted? couldn't you have backfit, backfitted? couldn't they have backfit, backfitted?	couldn't I have been backfiting? couldn't you have been backfiting? couldn't she have been backfiting? couldn't we have been backfiting? couldn't you have been backfiting? couldn't they have been backfiting?