must winter
Verbo regolare: winter - wintered- wintered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must winter
you must winter
she must winter
we must winter
you must winter
they must winter 	I must be wintering
you must be wintering
she must be wintering
we must be wintering
you must be wintering
they must be wintering	I must have wintered
you must have wintered
she must have wintered
we must have wintered
you must have wintered
they must have wintered	I must have been wintering
you must have been wintering
she must have been wintering
we must have been wintering
you must have been wintering
they must have been wintering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not winter
you must not winter
she must not winter
we must not winter
you must not winter
they must not winter 	I must not be wintering
you must not be wintering
she must not be wintering
we must not be wintering
you must not be wintering
they must not be wintering	I must not have wintered
you must not have wintered
she must not have wintered
we must not have wintered
you must not have wintered
they must not have wintered	I must not have been wintering
you must not have been wintering
she must not have been wintering
we must not have been wintering
you must not have been wintering
they must not have been wintering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I winter?
must you winter?
must she winter?
must we winter?
must you winter?
must they winter? 	must I be wintering?
must you be wintering?
must she be wintering?
must we be wintering?
must you be wintering?
must they be wintering? 	must I have wintered?
must you have wintered?
must she have wintered?
must we have wintered?
must you have wintered?
must they have wintered? 	must I have been wintering?
must you have been wintering?
must she have been wintering?
must we have been wintering?
must you have been wintering?
must they have been wintering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not winter?
must you not winter?
must she not winter?
must we not winter?
must you not winter?
must they not winter? 	must I not be wintering?
must you not be wintering?
must she not be wintering?
must we not be wintering?
must you not be wintering?
must they not be wintering? 	must I not have wintered?
must you not have wintered?
must she not have wintered?
must we not have wintered?
must you not have wintered?
must they not have wintered? 	must I not have been wintering?
must you not have been wintering?
must she not have been wintering?
must we not have been wintering?
must you not have been wintering?
must they not have been wintering?