Verbo irregular: backfit - backfit, backfitted - backfit, backfitted
Forma simple | Forma con V-ing |
I must backfit you must backfit she must backfit we must backfit you must backfit they must backfit | I must be backfiting you must be backfiting she must be backfiting we must be backfiting you must be backfiting they must be backfiting |
Perfecto | Perfecto con V-ing |
I must have backfit, backfitted you must have backfit, backfitted she must have backfit, backfitted we must have backfit, backfitted you must have backfit, backfitted they must have backfit, backfitted | I must have been backfiting you must have been backfiting she must have been backfiting we must have been backfiting you must have been backfiting they must have been backfiting |
Forma simple | Forma con V-ing |
I mustn't backfit you mustn't backfit she mustn't backfit we mustn't backfit you mustn't backfit they mustn't backfit | I mustn't be backfiting you mustn't be backfiting she mustn't be backfiting we mustn't be backfiting you mustn't be backfiting they mustn't be backfiting |
Perfecto | Perfecto con V-ing |
I mustn't have backfit, backfitted you mustn't have backfit, backfitted she mustn't have backfit, backfitted we mustn't have backfit, backfitted you mustn't have backfit, backfitted they mustn't have backfit, backfitted | I mustn't have been backfiting you mustn't have been backfiting she mustn't have been backfiting we mustn't have been backfiting you mustn't have been backfiting they mustn't have been backfiting |
Forma simple | Forma con V-ing |
must I backfit? must you backfit? must she backfit? must we backfit? must you backfit? must they backfit? | must I be backfiting? must you be backfiting? must she be backfiting? must we be backfiting? must you be backfiting? must they be backfiting? |
Perfecto | Perfecto con V-ing |
must I have backfit, backfitted? must you have backfit, backfitted? must she have backfit, backfitted? must we have backfit, backfitted? must you have backfit, backfitted? must they have backfit, backfitted? | must I have been backfiting? must you have been backfiting? must she have been backfiting? must we have been backfiting? must you have been backfiting? must they have been backfiting? |
Forma simple | Forma con V-ing |
mustn't I backfit? mustn't you backfit? mustn't she backfit? mustn't we backfit? mustn't you backfit? mustn't they backfit? | mustn't I be backfiting? mustn't you be backfiting? mustn't she be backfiting? mustn't we be backfiting? mustn't you be backfiting? mustn't they be backfiting? |
Perfecto | Perfecto con V-ing |
mustn't I have backfit, backfitted? mustn't you have backfit, backfitted? mustn't she have backfit, backfitted? mustn't we have backfit, backfitted? mustn't you have backfit, backfitted? mustn't they have backfit, backfitted? | mustn't I have been backfiting? mustn't you have been backfiting? mustn't she have been backfiting? mustn't we have been backfiting? mustn't you have been backfiting? mustn't they have been backfiting? |