Verbo regular: lack lack - lack lacked - lack lacked
Cuidado, este verbo pode não existir, a conjugação é dada como exemplo.
Afirmação
Forma simple
I must lack lack you must lack lack she must lack lack we must lack lack you must lack lack they must lack lack
Forma com V-ing
I must be lack lacking you must be lack lacking she must be lack lacking we must be lack lacking you must be lack lacking they must be lack lacking
Perfeito
I must have lack lacked you must have lack lacked she must have lack lacked we must have lack lacked you must have lack lacked they must have lack lacked
Perfeito com V-ing
I must have been lack lacking you must have been lack lacking she must have been lack lacking we must have been lack lacking you must have been lack lacking they must have been lack lacking
Negação
Forma simple
I mustn't lack lack you mustn't lack lack she mustn't lack lack we mustn't lack lack you mustn't lack lack they mustn't lack lack
Forma com V-ing
I mustn't be lack lacking you mustn't be lack lacking she mustn't be lack lacking we mustn't be lack lacking you mustn't be lack lacking they mustn't be lack lacking
Perfeito
I mustn't have lack lacked you mustn't have lack lacked she mustn't have lack lacked we mustn't have lack lacked you mustn't have lack lacked they mustn't have lack lacked
Perfeito com V-ing
I mustn't have been lack lacking you mustn't have been lack lacking she mustn't have been lack lacking we mustn't have been lack lacking you mustn't have been lack lacking they mustn't have been lack lacking
Forma interrogativa
Forma simple
must I lack lack? must you lack lack? must she lack lack? must we lack lack? must you lack lack? must they lack lack?
Forma com V-ing
must I be lack lacking? must you be lack lacking? must she be lack lacking? must we be lack lacking? must you be lack lacking? must they be lack lacking?
Perfeito
must I have lack lacked? must you have lack lacked? must she have lack lacked? must we have lack lacked? must you have lack lacked? must they have lack lacked?
Perfeito com V-ing
must I have been lack lacking? must you have been lack lacking? must she have been lack lacking? must we have been lack lacking? must you have been lack lacking? must they have been lack lacking?
Forma interro-Negação
Forma simple
mustn't I lack lack? mustn't you lack lack? mustn't she lack lack? mustn't we lack lack? mustn't you lack lack? mustn't they lack lack?
Forma com V-ing
mustn't I be lack lacking? mustn't you be lack lacking? mustn't she be lack lacking? mustn't we be lack lacking? mustn't you be lack lacking? mustn't they be lack lacking?
Perfeito
mustn't I have lack lacked? mustn't you have lack lacked? mustn't she have lack lacked? mustn't we have lack lacked? mustn't you have lack lacked? mustn't they have lack lacked?
Perfeito com V-ing
mustn't I have been lack lacking? mustn't you have been lack lacking? mustn't she have been lack lacking? mustn't we have been lack lacking? mustn't you have been lack lacking? mustn't they have been lack lacking?