I must couple you must couple she must couple we must couple you must couple they must couple
Forma con V-ing
I must be coupling you must be coupling she must be coupling we must be coupling you must be coupling they must be coupling
Perfetto
I must have coupled you must have coupled she must have coupled we must have coupled you must have coupled they must have coupled
Perfetto con V-ing
I must have been coupling you must have been coupling she must have been coupling we must have been coupling you must have been coupling they must have been coupling
Negazione
Forma semplice
I mustn't couple you mustn't couple she mustn't couple we mustn't couple you mustn't couple they mustn't couple
Forma con V-ing
I mustn't be coupling you mustn't be coupling she mustn't be coupling we mustn't be coupling you mustn't be coupling they mustn't be coupling
Perfetto
I mustn't have coupled you mustn't have coupled she mustn't have coupled we mustn't have coupled you mustn't have coupled they mustn't have coupled
Perfetto con V-ing
I mustn't have been coupling you mustn't have been coupling she mustn't have been coupling we mustn't have been coupling you mustn't have been coupling they mustn't have been coupling
Forma interrogativa
Forma semplice
must I couple? must you couple? must she couple? must we couple? must you couple? must they couple?
Forma con V-ing
must I be coupling? must you be coupling? must she be coupling? must we be coupling? must you be coupling? must they be coupling?
Perfetto
must I have coupled? must you have coupled? must she have coupled? must we have coupled? must you have coupled? must they have coupled?
Perfetto con V-ing
must I have been coupling? must you have been coupling? must she have been coupling? must we have been coupling? must you have been coupling? must they have been coupling?
Forma interro-negativa
Forma semplice
mustn't I couple? mustn't you couple? mustn't she couple? mustn't we couple? mustn't you couple? mustn't they couple?
Forma con V-ing
mustn't I be coupling? mustn't you be coupling? mustn't she be coupling? mustn't we be coupling? mustn't you be coupling? mustn't they be coupling?
Perfetto
mustn't I have coupled? mustn't you have coupled? mustn't she have coupled? mustn't we have coupled? mustn't you have coupled? mustn't they have coupled?
Perfetto con V-ing
mustn't I have been coupling? mustn't you have been coupling? mustn't she have been coupling? mustn't we have been coupling? mustn't you have been coupling? mustn't they have been coupling?