could keep
Verbo irregular: keep - kept- kept

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could keep
you could keep
he could keep
we could keep
you could keep
they could keep 	I could be keeping
you could be keeping
he could be keeping
we could be keeping
you could be keeping
they could be keeping	I could have kept
you could have kept
he could have kept
we could have kept
you could have kept
they could have kept	I could have been keeping
you could have been keeping
he could have been keeping
we could have been keeping
you could have been keeping
they could have been keeping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't keep
you couldn't keep
he couldn't keep
we couldn't keep
you couldn't keep
they couldn't keep 	I couldn't be keeping
you couldn't be keeping
he couldn't be keeping
we couldn't be keeping
you couldn't be keeping
they couldn't be keeping	I couldn't have kept
you couldn't have kept
he couldn't have kept
we couldn't have kept
you couldn't have kept
they couldn't have kept	I couldn't have been keeping
you couldn't have been keeping
he couldn't have been keeping
we couldn't have been keeping
you couldn't have been keeping
they couldn't have been keeping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I keep?
could you keep?
could he keep?
could we keep?
could you keep?
could they keep? 	could I be keeping?
could you be keeping?
could he be keeping?
could we be keeping?
could you be keeping?
could they be keeping? 	could I have kept?
could you have kept?
could he have kept?
could we have kept?
could you have kept?
could they have kept? 	could I have been keeping?
could you have been keeping?
could he have been keeping?
could we have been keeping?
could you have been keeping?
could they have been keeping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I keep?
couldn't you keep?
couldn't he keep?
couldn't we keep?
couldn't you keep?
couldn't they keep? 	couldn't I be keeping?
couldn't you be keeping?
couldn't he be keeping?
couldn't we be keeping?
couldn't you be keeping?
couldn't they be keeping? 	couldn't I have kept?
couldn't you have kept?
couldn't he have kept?
couldn't we have kept?
couldn't you have kept?
couldn't they have kept? 	couldn't I have been keeping?
couldn't you have been keeping?
couldn't he have been keeping?
couldn't we have been keeping?
couldn't you have been keeping?
couldn't they have been keeping?