English verb conjugation
COULD OUTLAST

Regular verb: outlast - outlasted - outlasted

Affirmation

Simple form	V-ing form
I could outlast you could outlast he could outlast we could outlast you could outlast they could outlast	I could be outlasting you could be outlasting he 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 he 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 he 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 couldn't outlast you couldn't outlast he couldn't outlast we couldn't outlast you couldn't outlast they couldn't outlast	I couldn't be outlasting you couldn't be outlasting he couldn't be outlasting we couldn't be outlasting you couldn't be outlasting they couldn't be outlasting
Perfect	V-ing perfect
I couldn't have outlasted you couldn't have outlasted he couldn't have outlasted we couldn't have outlasted you couldn't have outlasted they couldn't have outlasted	I couldn't have been outlasting you couldn't have been outlasting he couldn't have been outlasting we couldn't have been outlasting you couldn't have been outlasting they couldn't have been outlasting

Interrogative form

Simple form	V-ing form
could I outlast? could you outlast? could he outlast? could we outlast? could you outlast? could they outlast?	could I be outlasting? could you be outlasting? could he 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 he 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 he 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
couldn't I outlast? couldn't you outlast? couldn't he outlast? couldn't we outlast? couldn't you outlast? couldn't they outlast?	couldn't I be outlasting? couldn't you be outlasting? couldn't he be outlasting? couldn't we be outlasting? couldn't you be outlasting? couldn't they be outlasting?
Perfect	V-ing perfect
couldn't I have outlasted? couldn't you have outlasted? couldn't he have outlasted? couldn't we have outlasted? couldn't you have outlasted? couldn't they have outlasted?	couldn't I have been outlasting? couldn't you have been outlasting? couldn't he have been outlasting? couldn't we have been outlasting? couldn't you have been outlasting? couldn't they have been outlasting?