could perfume
Verbo regular: perfume - perfumed- perfumed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could perfume
you could perfume
she could perfume
we could perfume
you could perfume
they could perfume 	I could be perfuming
you could be perfuming
she could be perfuming
we could be perfuming
you could be perfuming
they could be perfuming	I could have perfumed
you could have perfumed
she could have perfumed
we could have perfumed
you could have perfumed
they could have perfumed	I could have been perfuming
you could have been perfuming
she could have been perfuming
we could have been perfuming
you could have been perfuming
they could have been perfuming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not perfume
you could not perfume
she could not perfume
we could not perfume
you could not perfume
they could not perfume 	I could not be perfuming
you could not be perfuming
she could not be perfuming
we could not be perfuming
you could not be perfuming
they could not be perfuming	I could not have perfumed
you could not have perfumed
she could not have perfumed
we could not have perfumed
you could not have perfumed
they could not have perfumed	I could not have been perfuming
you could not have been perfuming
she could not have been perfuming
we could not have been perfuming
you could not have been perfuming
they could not have been perfuming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I perfume?
could you perfume?
could she perfume?
could we perfume?
could you perfume?
could they perfume? 	could I be perfuming?
could you be perfuming?
could she be perfuming?
could we be perfuming?
could you be perfuming?
could they be perfuming? 	could I have perfumed?
could you have perfumed?
could she have perfumed?
could we have perfumed?
could you have perfumed?
could they have perfumed? 	could I have been perfuming?
could you have been perfuming?
could she have been perfuming?
could we have been perfuming?
could you have been perfuming?
could they have been perfuming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not perfume?
could you not perfume?
could she not perfume?
could we not perfume?
could you not perfume?
could they not perfume? 	could I not be perfuming?
could you not be perfuming?
could she not be perfuming?
could we not be perfuming?
could you not be perfuming?
could they not be perfuming? 	could I not have perfumed?
could you not have perfumed?
could she not have perfumed?
could we not have perfumed?
could you not have perfumed?
could they not have perfumed? 	could I not have been perfuming?
could you not have been perfuming?
could she not have been perfuming?
could we not have been perfuming?
could you not have been perfuming?
could they not have been perfuming?