English verb conjugation
MUST SINEW

Regular verb: sinew - sinewed - sinewed

Affirmation

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

Negation

Simple form	V-ing form
I mustn't sinew you mustn't sinew she mustn't sinew we mustn't sinew you mustn't sinew they mustn't sinew	I mustn't be sinewing you mustn't be sinewing she mustn't be sinewing we mustn't be sinewing you mustn't be sinewing they mustn't be sinewing
Perfect	V-ing perfect
I mustn't have sinewed you mustn't have sinewed she mustn't have sinewed we mustn't have sinewed you mustn't have sinewed they mustn't have sinewed	I mustn't have been sinewing you mustn't have been sinewing she mustn't have been sinewing we mustn't have been sinewing you mustn't have been sinewing they mustn't have been sinewing

Interrogative form

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

Interro-negative form

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