could derogate
Verbo regular: derogate - derogated- derogated

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

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

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

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