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