I must spy you must spy he must spy we must spy you must spy they must spy
Forma com V-ing
I must be spying you must be spying he must be spying we must be spying you must be spying they must be spying
Perfeito
I must have spied you must have spied he must have spied we must have spied you must have spied they must have spied
Perfeito com V-ing
I must have been spying you must have been spying he must have been spying we must have been spying you must have been spying they must have been spying
Negação
Forma simple
I mustn't spy you mustn't spy he mustn't spy we mustn't spy you mustn't spy they mustn't spy
Forma com V-ing
I mustn't be spying you mustn't be spying he mustn't be spying we mustn't be spying you mustn't be spying they mustn't be spying
Perfeito
I mustn't have spied you mustn't have spied he mustn't have spied we mustn't have spied you mustn't have spied they mustn't have spied
Perfeito com V-ing
I mustn't have been spying you mustn't have been spying he mustn't have been spying we mustn't have been spying you mustn't have been spying they mustn't have been spying
Forma interrogativa
Forma simple
must I spy? must you spy? must he spy? must we spy? must you spy? must they spy?
Forma com V-ing
must I be spying? must you be spying? must he be spying? must we be spying? must you be spying? must they be spying?
Perfeito
must I have spied? must you have spied? must he have spied? must we have spied? must you have spied? must they have spied?
Perfeito com V-ing
must I have been spying? must you have been spying? must he have been spying? must we have been spying? must you have been spying? must they have been spying?
Forma interro-Negação
Forma simple
mustn't I spy? mustn't you spy? mustn't he spy? mustn't we spy? mustn't you spy? mustn't they spy?
Forma com V-ing
mustn't I be spying? mustn't you be spying? mustn't he be spying? mustn't we be spying? mustn't you be spying? mustn't they be spying?
Perfeito
mustn't I have spied? mustn't you have spied? mustn't he have spied? mustn't we have spied? mustn't you have spied? mustn't they have spied?
Perfeito com V-ing
mustn't I have been spying? mustn't you have been spying? mustn't he have been spying? mustn't we have been spying? mustn't you have been spying? mustn't they have been spying?