must sinew
Verbo regular: sinew - sinewed- sinewed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not sinew
you must not sinew
she must not sinew
we must not sinew
you must not sinew
they must not sinew 	I must not be sinewing
you must not be sinewing
she must not be sinewing
we must not be sinewing
you must not be sinewing
they must not be sinewing	I must not have sinewed
you must not have sinewed
she must not have sinewed
we must not have sinewed
you must not have sinewed
they must not have sinewed	I must not have been sinewing
you must not have been sinewing
she must not have been sinewing
we must not have been sinewing
you must not have been sinewing
they must not have been sinewing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not sinew?
must you not sinew?
must she not sinew?
must we not sinew?
must you not sinew?
must they not sinew? 	must I not be sinewing?
must you not be sinewing?
must she not be sinewing?
must we not be sinewing?
must you not be sinewing?
must they not be sinewing? 	must I not have sinewed?
must you not have sinewed?
must she not have sinewed?
must we not have sinewed?
must you not have sinewed?
must they not have sinewed? 	must I not have been sinewing?
must you not have been sinewing?
must she not have been sinewing?
must we not have been sinewing?
must you not have been sinewing?
must they not have been sinewing?