English verb conjugation
COULD SURVIVE

Regular verb: survive - survived - survived

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I could not survive you could not survive she could not survive we could not survive you could not survive they could not survive	I could not be surviving you could not be surviving she could not be surviving we could not be surviving you could not be surviving they could not be surviving
Perfect	V-ing perfect
I could not have survived you could not have survived she could not have survived we could not have survived you could not have survived they could not have survived	I could not have been surviving you could not have been surviving she could not have been surviving we could not have been surviving you could not have been surviving they could not have been surviving

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
could I not survive? could you not survive? could she not survive? could we not survive? could you not survive? could they not survive?	could I not be surviving? could you not be surviving? could she not be surviving? could we not be surviving? could you not be surviving? could they not be surviving?
Perfect	V-ing perfect
could I not have survived? could you not have survived? could she not have survived? could we not have survived? could you not have survived? could they not have survived?	could I not have been surviving? could you not have been surviving? could she not have been surviving? could we not have been surviving? could you not have been surviving? could they not have been surviving?