must intercross
Verbo regular: intercross - intercrossed- intercrossed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must intercross
you must intercross
she must intercross
we must intercross
you must intercross
they must intercross 	I must be intercrossing
you must be intercrossing
she must be intercrossing
we must be intercrossing
you must be intercrossing
they must be intercrossing	I must have intercrossed
you must have intercrossed
she must have intercrossed
we must have intercrossed
you must have intercrossed
they must have intercrossed	I must have been intercrossing
you must have been intercrossing
she must have been intercrossing
we must have been intercrossing
you must have been intercrossing
they must have been intercrossing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not intercross
you must not intercross
she must not intercross
we must not intercross
you must not intercross
they must not intercross 	I must not be intercrossing
you must not be intercrossing
she must not be intercrossing
we must not be intercrossing
you must not be intercrossing
they must not be intercrossing	I must not have intercrossed
you must not have intercrossed
she must not have intercrossed
we must not have intercrossed
you must not have intercrossed
they must not have intercrossed	I must not have been intercrossing
you must not have been intercrossing
she must not have been intercrossing
we must not have been intercrossing
you must not have been intercrossing
they must not have been intercrossing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I intercross?
must you intercross?
must she intercross?
must we intercross?
must you intercross?
must they intercross? 	must I be intercrossing?
must you be intercrossing?
must she be intercrossing?
must we be intercrossing?
must you be intercrossing?
must they be intercrossing? 	must I have intercrossed?
must you have intercrossed?
must she have intercrossed?
must we have intercrossed?
must you have intercrossed?
must they have intercrossed? 	must I have been intercrossing?
must you have been intercrossing?
must she have been intercrossing?
must we have been intercrossing?
must you have been intercrossing?
must they have been intercrossing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not intercross?
must you not intercross?
must she not intercross?
must we not intercross?
must you not intercross?
must they not intercross? 	must I not be intercrossing?
must you not be intercrossing?
must she not be intercrossing?
must we not be intercrossing?
must you not be intercrossing?
must they not be intercrossing? 	must I not have intercrossed?
must you not have intercrossed?
must she not have intercrossed?
must we not have intercrossed?
must you not have intercrossed?
must they not have intercrossed? 	must I not have been intercrossing?
must you not have been intercrossing?
must she not have been intercrossing?
must we not have been intercrossing?
must you not have been intercrossing?
must they not have been intercrossing?