Verbo regular: biff - biffed - biffed
Forma simple | Forma con V-ing |
I must biff you must biff she must biff we must biff you must biff they must biff | I must be biffing you must be biffing she must be biffing we must be biffing you must be biffing they must be biffing |
Perfecto | Perfecto con V-ing |
I must have biffed you must have biffed she must have biffed we must have biffed you must have biffed they must have biffed | I must have been biffing you must have been biffing she must have been biffing we must have been biffing you must have been biffing they must have been biffing |
Forma simple | Forma con V-ing |
I mustn't biff you mustn't biff she mustn't biff we mustn't biff you mustn't biff they mustn't biff | I mustn't be biffing you mustn't be biffing she mustn't be biffing we mustn't be biffing you mustn't be biffing they mustn't be biffing |
Perfecto | Perfecto con V-ing |
I mustn't have biffed you mustn't have biffed she mustn't have biffed we mustn't have biffed you mustn't have biffed they mustn't have biffed | I mustn't have been biffing you mustn't have been biffing she mustn't have been biffing we mustn't have been biffing you mustn't have been biffing they mustn't have been biffing |
Forma simple | Forma con V-ing |
must I biff? must you biff? must she biff? must we biff? must you biff? must they biff? | must I be biffing? must you be biffing? must she be biffing? must we be biffing? must you be biffing? must they be biffing? |
Perfecto | Perfecto con V-ing |
must I have biffed? must you have biffed? must she have biffed? must we have biffed? must you have biffed? must they have biffed? | must I have been biffing? must you have been biffing? must she have been biffing? must we have been biffing? must you have been biffing? must they have been biffing? |
Forma simple | Forma con V-ing |
mustn't I biff? mustn't you biff? mustn't she biff? mustn't we biff? mustn't you biff? mustn't they biff? | mustn't I be biffing? mustn't you be biffing? mustn't she be biffing? mustn't we be biffing? mustn't you be biffing? mustn't they be biffing? |
Perfecto | Perfecto con V-ing |
mustn't I have biffed? mustn't you have biffed? mustn't she have biffed? mustn't we have biffed? mustn't you have biffed? mustn't they have biffed? | mustn't I have been biffing? mustn't you have been biffing? mustn't she have been biffing? mustn't we have been biffing? mustn't you have been biffing? mustn't they have been biffing? |