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