could doom
Verbo regular: doom - doomed- doomed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could doom
you could doom
she could doom
we could doom
you could doom
they could doom 	I could be dooming
you could be dooming
she could be dooming
we could be dooming
you could be dooming
they could be dooming	I could have doomed
you could have doomed
she could have doomed
we could have doomed
you could have doomed
they could have doomed	I could have been dooming
you could have been dooming
she could have been dooming
we could have been dooming
you could have been dooming
they could have been dooming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not doom
you could not doom
she could not doom
we could not doom
you could not doom
they could not doom 	I could not be dooming
you could not be dooming
she could not be dooming
we could not be dooming
you could not be dooming
they could not be dooming	I could not have doomed
you could not have doomed
she could not have doomed
we could not have doomed
you could not have doomed
they could not have doomed	I could not have been dooming
you could not have been dooming
she could not have been dooming
we could not have been dooming
you could not have been dooming
they could not have been dooming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I doom?
could you doom?
could she doom?
could we doom?
could you doom?
could they doom? 	could I be dooming?
could you be dooming?
could she be dooming?
could we be dooming?
could you be dooming?
could they be dooming? 	could I have doomed?
could you have doomed?
could she have doomed?
could we have doomed?
could you have doomed?
could they have doomed? 	could I have been dooming?
could you have been dooming?
could she have been dooming?
could we have been dooming?
could you have been dooming?
could they have been dooming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not doom?
could you not doom?
could she not doom?
could we not doom?
could you not doom?
could they not doom? 	could I not be dooming?
could you not be dooming?
could she not be dooming?
could we not be dooming?
could you not be dooming?
could they not be dooming? 	could I not have doomed?
could you not have doomed?
could she not have doomed?
could we not have doomed?
could you not have doomed?
could they not have doomed? 	could I not have been dooming?
could you not have been dooming?
could she not have been dooming?
could we not have been dooming?
could you not have been dooming?
could they not have been dooming?