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