English verb conjugation
COULD OUTLAST

Regular verb: outlast - outlasted - outlasted

Affirmation

Simple form	V-ing form
I could outlast you could outlast she could outlast we could outlast you could outlast they could outlast	I could be outlasting you could be outlasting she could be outlasting we could be outlasting you could be outlasting they could be outlasting
Perfect	V-ing perfect
I could have outlasted you could have outlasted she could have outlasted we could have outlasted you could have outlasted they could have outlasted	I could have been outlasting you could have been outlasting she could have been outlasting we could have been outlasting you could have been outlasting they could have been outlasting

Negation

Simple form	V-ing form
I could not outlast you could not outlast she could not outlast we could not outlast you could not outlast they could not outlast	I could not be outlasting you could not be outlasting she could not be outlasting we could not be outlasting you could not be outlasting they could not be outlasting
Perfect	V-ing perfect
I could not have outlasted you could not have outlasted she could not have outlasted we could not have outlasted you could not have outlasted they could not have outlasted	I could not have been outlasting you could not have been outlasting she could not have been outlasting we could not have been outlasting you could not have been outlasting they could not have been outlasting

Interrogative form

Simple form	V-ing form
could I outlast? could you outlast? could she outlast? could we outlast? could you outlast? could they outlast?	could I be outlasting? could you be outlasting? could she be outlasting? could we be outlasting? could you be outlasting? could they be outlasting?
Perfect	V-ing perfect
could I have outlasted? could you have outlasted? could she have outlasted? could we have outlasted? could you have outlasted? could they have outlasted?	could I have been outlasting? could you have been outlasting? could she have been outlasting? could we have been outlasting? could you have been outlasting? could they have been outlasting?

Interro-negative form

Simple form	V-ing form
could I not outlast? could you not outlast? could she not outlast? could we not outlast? could you not outlast? could they not outlast?	could I not be outlasting? could you not be outlasting? could she not be outlasting? could we not be outlasting? could you not be outlasting? could they not be outlasting?
Perfect	V-ing perfect
could I not have outlasted? could you not have outlasted? could she not have outlasted? could we not have outlasted? could you not have outlasted? could they not have outlasted?	could I not have been outlasting? could you not have been outlasting? could she not have been outlasting? could we not have been outlasting? could you not have been outlasting? could they not have been outlasting?