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 couldn't outstrive you couldn't outstrive she couldn't outstrive we couldn't outstrive you couldn't outstrive they couldn't outstrive	I couldn't be outstriving you couldn't be outstriving she couldn't be outstriving we couldn't be outstriving you couldn't be outstriving they couldn't be outstriving
Perfect	V-ing perfect
I couldn't have outstriven you couldn't have outstriven she couldn't have outstriven we couldn't have outstriven you couldn't have outstriven they couldn't have outstriven	I couldn't have been outstriving you couldn't have been outstriving she couldn't have been outstriving we couldn't have been outstriving you couldn't have been outstriving they couldn't 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
couldn't I outstrive? couldn't you outstrive? couldn't she outstrive? couldn't we outstrive? couldn't you outstrive? couldn't they outstrive?	couldn't I be outstriving? couldn't you be outstriving? couldn't she be outstriving? couldn't we be outstriving? couldn't you be outstriving? couldn't they be outstriving?
Perfect	V-ing perfect
couldn't I have outstriven? couldn't you have outstriven? couldn't she have outstriven? couldn't we have outstriven? couldn't you have outstriven? couldn't they have outstriven?	couldn't I have been outstriving? couldn't you have been outstriving? couldn't she have been outstriving? couldn't we have been outstriving? couldn't you have been outstriving? couldn't they have been outstriving?