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