I must sneak you must sneak she must sneak we must sneak you must sneak they must sneak
Forma com V-ing
I must be sneaking you must be sneaking she must be sneaking we must be sneaking you must be sneaking they must be sneaking
Perfeito
I must have snuck you must have snuck she must have snuck we must have snuck you must have snuck they must have snuck
Perfeito com V-ing
I must have been sneaking you must have been sneaking she must have been sneaking we must have been sneaking you must have been sneaking they must have been sneaking
Negação
Forma simple
I must not sneak you must not sneak she must not sneak we must not sneak you must not sneak they must not sneak
Forma com V-ing
I must not be sneaking you must not be sneaking she must not be sneaking we must not be sneaking you must not be sneaking they must not be sneaking
Perfeito
I must not have snuck you must not have snuck she must not have snuck we must not have snuck you must not have snuck they must not have snuck
Perfeito com V-ing
I must not have been sneaking you must not have been sneaking she must not have been sneaking we must not have been sneaking you must not have been sneaking they must not have been sneaking
Forma interrogativa
Forma simple
must I sneak? must you sneak? must she sneak? must we sneak? must you sneak? must they sneak?
Forma com V-ing
must I be sneaking? must you be sneaking? must she be sneaking? must we be sneaking? must you be sneaking? must they be sneaking?
Perfeito
must I have snuck? must you have snuck? must she have snuck? must we have snuck? must you have snuck? must they have snuck?
Perfeito com V-ing
must I have been sneaking? must you have been sneaking? must she have been sneaking? must we have been sneaking? must you have been sneaking? must they have been sneaking?
Forma interro-Negação
Forma simple
must I not sneak? must you not sneak? must she not sneak? must we not sneak? must you not sneak? must they not sneak?
Forma com V-ing
must I not be sneaking? must you not be sneaking? must she not be sneaking? must we not be sneaking? must you not be sneaking? must they not be sneaking?
Perfeito
must I not have snuck? must you not have snuck? must she not have snuck? must we not have snuck? must you not have snuck? must they not have snuck?
Perfeito com V-ing
must I not have been sneaking? must you not have been sneaking? must she not have been sneaking? must we not have been sneaking? must you not have been sneaking? must they not have been sneaking?