could decide
Verbo regular: decide - decided- decided

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could decide
you could decide
he could decide
we could decide
you could decide
they could decide 	I could be deciding
you could be deciding
he could be deciding
we could be deciding
you could be deciding
they could be deciding	I could have decided
you could have decided
he could have decided
we could have decided
you could have decided
they could have decided	I could have been deciding
you could have been deciding
he could have been deciding
we could have been deciding
you could have been deciding
they could have been deciding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't decide
you couldn't decide
he couldn't decide
we couldn't decide
you couldn't decide
they couldn't decide 	I couldn't be deciding
you couldn't be deciding
he couldn't be deciding
we couldn't be deciding
you couldn't be deciding
they couldn't be deciding	I couldn't have decided
you couldn't have decided
he couldn't have decided
we couldn't have decided
you couldn't have decided
they couldn't have decided	I couldn't have been deciding
you couldn't have been deciding
he couldn't have been deciding
we couldn't have been deciding
you couldn't have been deciding
they couldn't have been deciding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I decide?
could you decide?
could he decide?
could we decide?
could you decide?
could they decide? 	could I be deciding?
could you be deciding?
could he be deciding?
could we be deciding?
could you be deciding?
could they be deciding? 	could I have decided?
could you have decided?
could he have decided?
could we have decided?
could you have decided?
could they have decided? 	could I have been deciding?
could you have been deciding?
could he have been deciding?
could we have been deciding?
could you have been deciding?
could they have been deciding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I decide?
couldn't you decide?
couldn't he decide?
couldn't we decide?
couldn't you decide?
couldn't they decide? 	couldn't I be deciding?
couldn't you be deciding?
couldn't he be deciding?
couldn't we be deciding?
couldn't you be deciding?
couldn't they be deciding? 	couldn't I have decided?
couldn't you have decided?
couldn't he have decided?
couldn't we have decided?
couldn't you have decided?
couldn't they have decided? 	couldn't I have been deciding?
couldn't you have been deciding?
couldn't he have been deciding?
couldn't we have been deciding?
couldn't you have been deciding?
couldn't they have been deciding?