could survive
Verbo regular: survive - survived- survived

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could survive
you could survive
she could survive
we could survive
you could survive
they could survive 	I could be surviving
you could be surviving
she could be surviving
we could be surviving
you could be surviving
they could be surviving	I could have survived
you could have survived
she could have survived
we could have survived
you could have survived
they could have survived	I could have been surviving
you could have been surviving
she could have been surviving
we could have been surviving
you could have been surviving
they could have been surviving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't survive
you couldn't survive
she couldn't survive
we couldn't survive
you couldn't survive
they couldn't survive 	I couldn't be surviving
you couldn't be surviving
she couldn't be surviving
we couldn't be surviving
you couldn't be surviving
they couldn't be surviving	I couldn't have survived
you couldn't have survived
she couldn't have survived
we couldn't have survived
you couldn't have survived
they couldn't have survived	I couldn't have been surviving
you couldn't have been surviving
she couldn't have been surviving
we couldn't have been surviving
you couldn't have been surviving
they couldn't have been surviving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I survive?
could you survive?
could she survive?
could we survive?
could you survive?
could they survive? 	could I be surviving?
could you be surviving?
could she be surviving?
could we be surviving?
could you be surviving?
could they be surviving? 	could I have survived?
could you have survived?
could she have survived?
could we have survived?
could you have survived?
could they have survived? 	could I have been surviving?
could you have been surviving?
could she have been surviving?
could we have been surviving?
could you have been surviving?
could they have been surviving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I survive?
couldn't you survive?
couldn't she survive?
couldn't we survive?
couldn't you survive?
couldn't they survive? 	couldn't I be surviving?
couldn't you be surviving?
couldn't she be surviving?
couldn't we be surviving?
couldn't you be surviving?
couldn't they be surviving? 	couldn't I have survived?
couldn't you have survived?
couldn't she have survived?
couldn't we have survived?
couldn't you have survived?
couldn't they have survived? 	couldn't I have been surviving?
couldn't you have been surviving?
couldn't she have been surviving?
couldn't we have been surviving?
couldn't you have been surviving?
couldn't they have been surviving?