must contact
Verbo regolare: contact - contacted- contacted

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must contact
you must contact
he must contact
we must contact
you must contact
they must contact 	I must be contacting
you must be contacting
he must be contacting
we must be contacting
you must be contacting
they must be contacting	I must have contacted
you must have contacted
he must have contacted
we must have contacted
you must have contacted
they must have contacted	I must have been contacting
you must have been contacting
he must have been contacting
we must have been contacting
you must have been contacting
they must have been contacting	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't contact
you mustn't contact
he mustn't contact
we mustn't contact
you mustn't contact
they mustn't contact 	I mustn't be contacting
you mustn't be contacting
he mustn't be contacting
we mustn't be contacting
you mustn't be contacting
they mustn't be contacting	I mustn't have contacted
you mustn't have contacted
he mustn't have contacted
we mustn't have contacted
you mustn't have contacted
they mustn't have contacted	I mustn't have been contacting
you mustn't have been contacting
he mustn't have been contacting
we mustn't have been contacting
you mustn't have been contacting
they mustn't have been contacting	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I contact?
must you contact?
must he contact?
must we contact?
must you contact?
must they contact? 	must I be contacting?
must you be contacting?
must he be contacting?
must we be contacting?
must you be contacting?
must they be contacting? 	must I have contacted?
must you have contacted?
must he have contacted?
must we have contacted?
must you have contacted?
must they have contacted? 	must I have been contacting?
must you have been contacting?
must he have been contacting?
must we have been contacting?
must you have been contacting?
must they have been contacting? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I contact?
mustn't you contact?
mustn't he contact?
mustn't we contact?
mustn't you contact?
mustn't they contact? 	mustn't I be contacting?
mustn't you be contacting?
mustn't he be contacting?
mustn't we be contacting?
mustn't you be contacting?
mustn't they be contacting? 	mustn't I have contacted?
mustn't you have contacted?
mustn't he have contacted?
mustn't we have contacted?
mustn't you have contacted?
mustn't they have contacted? 	mustn't I have been contacting?
mustn't you have been contacting?
mustn't he have been contacting?
mustn't we have been contacting?
mustn't you have been contacting?
mustn't they have been contacting?