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 couldn't sinew you couldn't sinew she couldn't sinew we couldn't sinew you couldn't sinew they couldn't sinew	I couldn't be sinewing you couldn't be sinewing she couldn't be sinewing we couldn't be sinewing you couldn't be sinewing they couldn't be sinewing
Perfect	V-ing perfect
I couldn't have sinewed you couldn't have sinewed she couldn't have sinewed we couldn't have sinewed you couldn't have sinewed they couldn't have sinewed	I couldn't have been sinewing you couldn't have been sinewing she couldn't have been sinewing we couldn't have been sinewing you couldn't have been sinewing they couldn't 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
couldn't I sinew? couldn't you sinew? couldn't she sinew? couldn't we sinew? couldn't you sinew? couldn't they sinew?	couldn't I be sinewing? couldn't you be sinewing? couldn't she be sinewing? couldn't we be sinewing? couldn't you be sinewing? couldn't they be sinewing?
Perfect	V-ing perfect
couldn't I have sinewed? couldn't you have sinewed? couldn't she have sinewed? couldn't we have sinewed? couldn't you have sinewed? couldn't they have sinewed?	couldn't I have been sinewing? couldn't you have been sinewing? couldn't she have been sinewing? couldn't we have been sinewing? couldn't you have been sinewing? couldn't they have been sinewing?