could simmer
Verbo regular: simmer - simmered- simmered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could simmer
you could simmer
she could simmer
we could simmer
you could simmer
they could simmer 	I could be simmering
you could be simmering
she could be simmering
we could be simmering
you could be simmering
they could be simmering	I could have simmered
you could have simmered
she could have simmered
we could have simmered
you could have simmered
they could have simmered	I could have been simmering
you could have been simmering
she could have been simmering
we could have been simmering
you could have been simmering
they could have been simmering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not simmer
you could not simmer
she could not simmer
we could not simmer
you could not simmer
they could not simmer 	I could not be simmering
you could not be simmering
she could not be simmering
we could not be simmering
you could not be simmering
they could not be simmering	I could not have simmered
you could not have simmered
she could not have simmered
we could not have simmered
you could not have simmered
they could not have simmered	I could not have been simmering
you could not have been simmering
she could not have been simmering
we could not have been simmering
you could not have been simmering
they could not have been simmering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I simmer?
could you simmer?
could she simmer?
could we simmer?
could you simmer?
could they simmer? 	could I be simmering?
could you be simmering?
could she be simmering?
could we be simmering?
could you be simmering?
could they be simmering? 	could I have simmered?
could you have simmered?
could she have simmered?
could we have simmered?
could you have simmered?
could they have simmered? 	could I have been simmering?
could you have been simmering?
could she have been simmering?
could we have been simmering?
could you have been simmering?
could they have been simmering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not simmer?
could you not simmer?
could she not simmer?
could we not simmer?
could you not simmer?
could they not simmer? 	could I not be simmering?
could you not be simmering?
could she not be simmering?
could we not be simmering?
could you not be simmering?
could they not be simmering? 	could I not have simmered?
could you not have simmered?
could she not have simmered?
could we not have simmered?
could you not have simmered?
could they not have simmered? 	could I not have been simmering?
could you not have been simmering?
could she not have been simmering?
could we not have been simmering?
could you not have been simmering?
could they not have been simmering?