English verb conjugation
COULD SINEW

Regular verb: sinew - sinewed - sinewed

Affirmation

Simple form	V-ing form
I could sinew you could sinew she could sinew we could sinew you could sinew they could sinew	I could be sinewing you could be sinewing she could be sinewing we could be sinewing you could be sinewing they could be sinewing
Perfect	V-ing perfect
I could have sinewed you could have sinewed she could have sinewed we could have sinewed you could have sinewed they could have sinewed	I could have been sinewing you could have been sinewing she could have been sinewing we could have been sinewing you could have been sinewing they could have been sinewing

Negation

Simple form	V-ing form
I could not sinew you could not sinew she could not sinew we could not sinew you could not sinew they could not sinew	I could not be sinewing you could not be sinewing she could not be sinewing we could not be sinewing you could not be sinewing they could not be sinewing
Perfect	V-ing perfect
I could not have sinewed you could not have sinewed she could not have sinewed we could not have sinewed you could not have sinewed they could not have sinewed	I could not have been sinewing you could not have been sinewing she could not have been sinewing we could not have been sinewing you could not have been sinewing they could not have been sinewing

Interrogative form

Simple form	V-ing form
could I sinew? could you sinew? could she sinew? could we sinew? could you sinew? could they sinew?	could I be sinewing? could you be sinewing? could she be sinewing? could we be sinewing? could you be sinewing? could they be sinewing?
Perfect	V-ing perfect
could I have sinewed? could you have sinewed? could she have sinewed? could we have sinewed? could you have sinewed? could they have sinewed?	could I have been sinewing? could you have been sinewing? could she have been sinewing? could we have been sinewing? could you have been sinewing? could they have been sinewing?

Interro-negative form

Simple form	V-ing form
could I not sinew? could you not sinew? could she not sinew? could we not sinew? could you not sinew? could they not sinew?	could I not be sinewing? could you not be sinewing? could she not be sinewing? could we not be sinewing? could you not be sinewing? could they not be sinewing?
Perfect	V-ing perfect
could I not have sinewed? could you not have sinewed? could she not have sinewed? could we not have sinewed? could you not have sinewed? could they not have sinewed?	could I not have been sinewing? could you not have been sinewing? could she not have been sinewing? could we not have been sinewing? could you not have been sinewing? could they not have been sinewing?