could damage
Verbo regular: damage - damaged- damaged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could damage
you could damage
she could damage
we could damage
you could damage
they could damage 	I could be damaging
you could be damaging
she could be damaging
we could be damaging
you could be damaging
they could be damaging	I could have damaged
you could have damaged
she could have damaged
we could have damaged
you could have damaged
they could have damaged	I could have been damaging
you could have been damaging
she could have been damaging
we could have been damaging
you could have been damaging
they could have been damaging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not damage
you could not damage
she could not damage
we could not damage
you could not damage
they could not damage 	I could not be damaging
you could not be damaging
she could not be damaging
we could not be damaging
you could not be damaging
they could not be damaging	I could not have damaged
you could not have damaged
she could not have damaged
we could not have damaged
you could not have damaged
they could not have damaged	I could not have been damaging
you could not have been damaging
she could not have been damaging
we could not have been damaging
you could not have been damaging
they could not have been damaging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I damage?
could you damage?
could she damage?
could we damage?
could you damage?
could they damage? 	could I be damaging?
could you be damaging?
could she be damaging?
could we be damaging?
could you be damaging?
could they be damaging? 	could I have damaged?
could you have damaged?
could she have damaged?
could we have damaged?
could you have damaged?
could they have damaged? 	could I have been damaging?
could you have been damaging?
could she have been damaging?
could we have been damaging?
could you have been damaging?
could they have been damaging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not damage?
could you not damage?
could she not damage?
could we not damage?
could you not damage?
could they not damage? 	could I not be damaging?
could you not be damaging?
could she not be damaging?
could we not be damaging?
could you not be damaging?
could they not be damaging? 	could I not have damaged?
could you not have damaged?
could she not have damaged?
could we not have damaged?
could you not have damaged?
could they not have damaged? 	could I not have been damaging?
could you not have been damaging?
could she not have been damaging?
could we not have been damaging?
could you not have been damaging?
could they not have been damaging?