I must article you must article she must article we must article you must article they must article
Forma con V-ing
I must be articling you must be articling she must be articling we must be articling you must be articling they must be articling
Perfecto
I must have articled you must have articled she must have articled we must have articled you must have articled they must have articled
Perfecto con V-ing
I must have been articling you must have been articling she must have been articling we must have been articling you must have been articling they must have been articling
Negación
Forma simple
I mustn't article you mustn't article she mustn't article we mustn't article you mustn't article they mustn't article
Forma con V-ing
I mustn't be articling you mustn't be articling she mustn't be articling we mustn't be articling you mustn't be articling they mustn't be articling
Perfecto
I mustn't have articled you mustn't have articled she mustn't have articled we mustn't have articled you mustn't have articled they mustn't have articled
Perfecto con V-ing
I mustn't have been articling you mustn't have been articling she mustn't have been articling we mustn't have been articling you mustn't have been articling they mustn't have been articling
Forma interrogativa
Forma simple
must I article? must you article? must she article? must we article? must you article? must they article?
Forma con V-ing
must I be articling? must you be articling? must she be articling? must we be articling? must you be articling? must they be articling?
Perfecto
must I have articled? must you have articled? must she have articled? must we have articled? must you have articled? must they have articled?
Perfecto con V-ing
must I have been articling? must you have been articling? must she have been articling? must we have been articling? must you have been articling? must they have been articling?
Forma interro-negativa
Forma simple
mustn't I article? mustn't you article? mustn't she article? mustn't we article? mustn't you article? mustn't they article?
Forma con V-ing
mustn't I be articling? mustn't you be articling? mustn't she be articling? mustn't we be articling? mustn't you be articling? mustn't they be articling?
Perfecto
mustn't I have articled? mustn't you have articled? mustn't she have articled? mustn't we have articled? mustn't you have articled? mustn't they have articled?
Perfecto con V-ing
mustn't I have been articling? mustn't you have been articling? mustn't she have been articling? mustn't we have been articling? mustn't you have been articling? mustn't they have been articling?