must upswing
Verbo irregolare: upswing - upswung- upswung

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must upswing
you must upswing
he must upswing
we must upswing
you must upswing
they must upswing 	I must be upswinging
you must be upswinging
he must be upswinging
we must be upswinging
you must be upswinging
they must be upswinging	I must have upswung
you must have upswung
he must have upswung
we must have upswung
you must have upswung
they must have upswung	I must have been upswinging
you must have been upswinging
he must have been upswinging
we must have been upswinging
you must have been upswinging
they must have been upswinging	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not upswing
you must not upswing
he must not upswing
we must not upswing
you must not upswing
they must not upswing 	I must not be upswinging
you must not be upswinging
he must not be upswinging
we must not be upswinging
you must not be upswinging
they must not be upswinging	I must not have upswung
you must not have upswung
he must not have upswung
we must not have upswung
you must not have upswung
they must not have upswung	I must not have been upswinging
you must not have been upswinging
he must not have been upswinging
we must not have been upswinging
you must not have been upswinging
they must not have been upswinging	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I upswing?
must you upswing?
must he upswing?
must we upswing?
must you upswing?
must they upswing? 	must I be upswinging?
must you be upswinging?
must he be upswinging?
must we be upswinging?
must you be upswinging?
must they be upswinging? 	must I have upswung?
must you have upswung?
must he have upswung?
must we have upswung?
must you have upswung?
must they have upswung? 	must I have been upswinging?
must you have been upswinging?
must he have been upswinging?
must we have been upswinging?
must you have been upswinging?
must they have been upswinging? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not upswing?
must you not upswing?
must he not upswing?
must we not upswing?
must you not upswing?
must they not upswing? 	must I not be upswinging?
must you not be upswinging?
must he not be upswinging?
must we not be upswinging?
must you not be upswinging?
must they not be upswinging? 	must I not have upswung?
must you not have upswung?
must he not have upswung?
must we not have upswung?
must you not have upswung?
must they not have upswung? 	must I not have been upswinging?
must you not have been upswinging?
must he not have been upswinging?
must we not have been upswinging?
must you not have been upswinging?
must they not have been upswinging?