must derogate
Verbo regular: derogate - derogated- derogated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must derogate
you must derogate
he must derogate
we must derogate
you must derogate
they must derogate 	I must be derogating
you must be derogating
he must be derogating
we must be derogating
you must be derogating
they must be derogating	I must have derogated
you must have derogated
he must have derogated
we must have derogated
you must have derogated
they must have derogated	I must have been derogating
you must have been derogating
he must have been derogating
we must have been derogating
you must have been derogating
they must have been derogating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't derogate
you mustn't derogate
he mustn't derogate
we mustn't derogate
you mustn't derogate
they mustn't derogate 	I mustn't be derogating
you mustn't be derogating
he mustn't be derogating
we mustn't be derogating
you mustn't be derogating
they mustn't be derogating	I mustn't have derogated
you mustn't have derogated
he mustn't have derogated
we mustn't have derogated
you mustn't have derogated
they mustn't have derogated	I mustn't have been derogating
you mustn't have been derogating
he mustn't have been derogating
we mustn't have been derogating
you mustn't have been derogating
they mustn't have been derogating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I derogate?
must you derogate?
must he derogate?
must we derogate?
must you derogate?
must they derogate? 	must I be derogating?
must you be derogating?
must he be derogating?
must we be derogating?
must you be derogating?
must they be derogating? 	must I have derogated?
must you have derogated?
must he have derogated?
must we have derogated?
must you have derogated?
must they have derogated? 	must I have been derogating?
must you have been derogating?
must he have been derogating?
must we have been derogating?
must you have been derogating?
must they have been derogating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I derogate?
mustn't you derogate?
mustn't he derogate?
mustn't we derogate?
mustn't you derogate?
mustn't they derogate? 	mustn't I be derogating?
mustn't you be derogating?
mustn't he be derogating?
mustn't we be derogating?
mustn't you be derogating?
mustn't they be derogating? 	mustn't I have derogated?
mustn't you have derogated?
mustn't he have derogated?
mustn't we have derogated?
mustn't you have derogated?
mustn't they have derogated? 	mustn't I have been derogating?
mustn't you have been derogating?
mustn't he have been derogating?
mustn't we have been derogating?
mustn't you have been derogating?
mustn't they have been derogating?