must zag
Verbo regular: zag - zaged- zaged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must zag
you must zag
he must zag
we must zag
you must zag
they must zag 	I must be zaging
you must be zaging
he must be zaging
we must be zaging
you must be zaging
they must be zaging	I must have zaged
you must have zaged
he must have zaged
we must have zaged
you must have zaged
they must have zaged	I must have been zaging
you must have been zaging
he must have been zaging
we must have been zaging
you must have been zaging
they must have been zaging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not zag
you must not zag
he must not zag
we must not zag
you must not zag
they must not zag 	I must not be zaging
you must not be zaging
he must not be zaging
we must not be zaging
you must not be zaging
they must not be zaging	I must not have zaged
you must not have zaged
he must not have zaged
we must not have zaged
you must not have zaged
they must not have zaged	I must not have been zaging
you must not have been zaging
he must not have been zaging
we must not have been zaging
you must not have been zaging
they must not have been zaging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I zag?
must you zag?
must he zag?
must we zag?
must you zag?
must they zag? 	must I be zaging?
must you be zaging?
must he be zaging?
must we be zaging?
must you be zaging?
must they be zaging? 	must I have zaged?
must you have zaged?
must he have zaged?
must we have zaged?
must you have zaged?
must they have zaged? 	must I have been zaging?
must you have been zaging?
must he have been zaging?
must we have been zaging?
must you have been zaging?
must they have been zaging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not zag?
must you not zag?
must he not zag?
must we not zag?
must you not zag?
must they not zag? 	must I not be zaging?
must you not be zaging?
must he not be zaging?
must we not be zaging?
must you not be zaging?
must they not be zaging? 	must I not have zaged?
must you not have zaged?
must he not have zaged?
must we not have zaged?
must you not have zaged?
must they not have zaged? 	must I not have been zaging?
must you not have been zaging?
must he not have been zaging?
must we not have been zaging?
must you not have been zaging?
must they not have been zaging?