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 must not contact
you must not contact
he must not contact
we must not contact
you must not contact
they must not contact 	I must not be contacting
you must not be contacting
he must not be contacting
we must not be contacting
you must not be contacting
they must not be contacting	I must not have contacted
you must not have contacted
he must not have contacted
we must not have contacted
you must not have contacted
they must not have contacted	I must not have been contacting
you must not have been contacting
he must not have been contacting
we must not have been contacting
you must not have been contacting
they must not 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 	
must I not contact?
must you not contact?
must he not contact?
must we not contact?
must you not contact?
must they not contact? 	must I not be contacting?
must you not be contacting?
must he not be contacting?
must we not be contacting?
must you not be contacting?
must they not be contacting? 	must I not have contacted?
must you not have contacted?
must he not have contacted?
must we not have contacted?
must you not have contacted?
must they not have contacted? 	must I not have been contacting?
must you not have been contacting?
must he not have been contacting?
must we not have been contacting?
must you not have been contacting?
must they not have been contacting?