must sharp
Verbo regular: sharp - sharped- sharped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must sharp
you must sharp
she must sharp
we must sharp
you must sharp
they must sharp 	I must be sharping
you must be sharping
she must be sharping
we must be sharping
you must be sharping
they must be sharping	I must have sharped
you must have sharped
she must have sharped
we must have sharped
you must have sharped
they must have sharped	I must have been sharping
you must have been sharping
she must have been sharping
we must have been sharping
you must have been sharping
they must have been sharping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not sharp
you must not sharp
she must not sharp
we must not sharp
you must not sharp
they must not sharp 	I must not be sharping
you must not be sharping
she must not be sharping
we must not be sharping
you must not be sharping
they must not be sharping	I must not have sharped
you must not have sharped
she must not have sharped
we must not have sharped
you must not have sharped
they must not have sharped	I must not have been sharping
you must not have been sharping
she must not have been sharping
we must not have been sharping
you must not have been sharping
they must not have been sharping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I sharp?
must you sharp?
must she sharp?
must we sharp?
must you sharp?
must they sharp? 	must I be sharping?
must you be sharping?
must she be sharping?
must we be sharping?
must you be sharping?
must they be sharping? 	must I have sharped?
must you have sharped?
must she have sharped?
must we have sharped?
must you have sharped?
must they have sharped? 	must I have been sharping?
must you have been sharping?
must she have been sharping?
must we have been sharping?
must you have been sharping?
must they have been sharping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not sharp?
must you not sharp?
must she not sharp?
must we not sharp?
must you not sharp?
must they not sharp? 	must I not be sharping?
must you not be sharping?
must she not be sharping?
must we not be sharping?
must you not be sharping?
must they not be sharping? 	must I not have sharped?
must you not have sharped?
must she not have sharped?
must we not have sharped?
must you not have sharped?
must they not have sharped? 	must I not have been sharping?
must you not have been sharping?
must she not have been sharping?
must we not have been sharping?
must you not have been sharping?
must they not have been sharping?