English verb conjugation
COULD OUTTHIEVE

Regular verb: outthieve - outthieved - outthieved

Affirmation

Simple form	V-ing form
I could outthieve you could outthieve he could outthieve we could outthieve you could outthieve they could outthieve	I could be outthieving you could be outthieving he could be outthieving we could be outthieving you could be outthieving they could be outthieving
Perfect	V-ing perfect
I could have outthieved you could have outthieved he could have outthieved we could have outthieved you could have outthieved they could have outthieved	I could have been outthieving you could have been outthieving he could have been outthieving we could have been outthieving you could have been outthieving they could have been outthieving

Negation

Simple form	V-ing form
I could not outthieve you could not outthieve he could not outthieve we could not outthieve you could not outthieve they could not outthieve	I could not be outthieving you could not be outthieving he could not be outthieving we could not be outthieving you could not be outthieving they could not be outthieving
Perfect	V-ing perfect
I could not have outthieved you could not have outthieved he could not have outthieved we could not have outthieved you could not have outthieved they could not have outthieved	I could not have been outthieving you could not have been outthieving he could not have been outthieving we could not have been outthieving you could not have been outthieving they could not have been outthieving

Interrogative form

Simple form	V-ing form
could I outthieve? could you outthieve? could he outthieve? could we outthieve? could you outthieve? could they outthieve?	could I be outthieving? could you be outthieving? could he be outthieving? could we be outthieving? could you be outthieving? could they be outthieving?
Perfect	V-ing perfect
could I have outthieved? could you have outthieved? could he have outthieved? could we have outthieved? could you have outthieved? could they have outthieved?	could I have been outthieving? could you have been outthieving? could he have been outthieving? could we have been outthieving? could you have been outthieving? could they have been outthieving?

Interro-negative form

Simple form	V-ing form
could I not outthieve? could you not outthieve? could he not outthieve? could we not outthieve? could you not outthieve? could they not outthieve?	could I not be outthieving? could you not be outthieving? could he not be outthieving? could we not be outthieving? could you not be outthieving? could they not be outthieving?
Perfect	V-ing perfect
could I not have outthieved? could you not have outthieved? could he not have outthieved? could we not have outthieved? could you not have outthieved? could they not have outthieved?	could I not have been outthieving? could you not have been outthieving? could he not have been outthieving? could we not have been outthieving? could you not have been outthieving? could they not have been outthieving?