must suck
Verbo regolare: suck - sucked- sucked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must suck
you must suck
he must suck
we must suck
you must suck
they must suck 	I must be sucking
you must be sucking
he must be sucking
we must be sucking
you must be sucking
they must be sucking	I must have sucked
you must have sucked
he must have sucked
we must have sucked
you must have sucked
they must have sucked	I must have been sucking
you must have been sucking
he must have been sucking
we must have been sucking
you must have been sucking
they must have been sucking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't suck
you mustn't suck
he mustn't suck
we mustn't suck
you mustn't suck
they mustn't suck 	I mustn't be sucking
you mustn't be sucking
he mustn't be sucking
we mustn't be sucking
you mustn't be sucking
they mustn't be sucking	I mustn't have sucked
you mustn't have sucked
he mustn't have sucked
we mustn't have sucked
you mustn't have sucked
they mustn't have sucked	I mustn't have been sucking
you mustn't have been sucking
he mustn't have been sucking
we mustn't have been sucking
you mustn't have been sucking
they mustn't have been sucking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I suck?
must you suck?
must he suck?
must we suck?
must you suck?
must they suck? 	must I be sucking?
must you be sucking?
must he be sucking?
must we be sucking?
must you be sucking?
must they be sucking? 	must I have sucked?
must you have sucked?
must he have sucked?
must we have sucked?
must you have sucked?
must they have sucked? 	must I have been sucking?
must you have been sucking?
must he have been sucking?
must we have been sucking?
must you have been sucking?
must they have been sucking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I suck?
mustn't you suck?
mustn't he suck?
mustn't we suck?
mustn't you suck?
mustn't they suck? 	mustn't I be sucking?
mustn't you be sucking?
mustn't he be sucking?
mustn't we be sucking?
mustn't you be sucking?
mustn't they be sucking? 	mustn't I have sucked?
mustn't you have sucked?
mustn't he have sucked?
mustn't we have sucked?
mustn't you have sucked?
mustn't they have sucked? 	mustn't I have been sucking?
mustn't you have been sucking?
mustn't he have been sucking?
mustn't we have been sucking?
mustn't you have been sucking?
mustn't they have been sucking?