English verb conjugation
COULD OUTSTRIVE

Irregular verb: outstrive - outstrove - outstriven

Affirmation

Simple form	V-ing form
I could outstrive you could outstrive she could outstrive we could outstrive you could outstrive they could outstrive	I could be outstriving you could be outstriving she could be outstriving we could be outstriving you could be outstriving they could be outstriving
Perfect	V-ing perfect
I could have outstriven you could have outstriven she could have outstriven we could have outstriven you could have outstriven they could have outstriven	I could have been outstriving you could have been outstriving she could have been outstriving we could have been outstriving you could have been outstriving they could have been outstriving

Negation

Simple form	V-ing form
I could not outstrive you could not outstrive she could not outstrive we could not outstrive you could not outstrive they could not outstrive	I could not be outstriving you could not be outstriving she could not be outstriving we could not be outstriving you could not be outstriving they could not be outstriving
Perfect	V-ing perfect
I could not have outstriven you could not have outstriven she could not have outstriven we could not have outstriven you could not have outstriven they could not have outstriven	I could not have been outstriving you could not have been outstriving she could not have been outstriving we could not have been outstriving you could not have been outstriving they could not have been outstriving

Interrogative form

Simple form	V-ing form
could I outstrive? could you outstrive? could she outstrive? could we outstrive? could you outstrive? could they outstrive?	could I be outstriving? could you be outstriving? could she be outstriving? could we be outstriving? could you be outstriving? could they be outstriving?
Perfect	V-ing perfect
could I have outstriven? could you have outstriven? could she have outstriven? could we have outstriven? could you have outstriven? could they have outstriven?	could I have been outstriving? could you have been outstriving? could she have been outstriving? could we have been outstriving? could you have been outstriving? could they have been outstriving?

Interro-negative form

Simple form	V-ing form
could I not outstrive? could you not outstrive? could she not outstrive? could we not outstrive? could you not outstrive? could they not outstrive?	could I not be outstriving? could you not be outstriving? could she not be outstriving? could we not be outstriving? could you not be outstriving? could they not be outstriving?
Perfect	V-ing perfect
could I not have outstriven? could you not have outstriven? could she not have outstriven? could we not have outstriven? could you not have outstriven? could they not have outstriven?	could I not have been outstriving? could you not have been outstriving? could she not have been outstriving? could we not have been outstriving? could you not have been outstriving? could they not have been outstriving?