I may contact you may contact he may contact we may contact you may contact they may contact
V-ing form
I may be contacting you may be contacting he may be contacting we may be contacting you may be contacting they may be contacting
Perfect
I may have contacted you may have contacted he may have contacted we may have contacted you may have contacted they may have contacted
V-ing perfect
I may have been contacting you may have been contacting he may have been contacting we may have been contacting you may have been contacting they may have been contacting
Negation
Simple form
I may not contact you may not contact he may not contact we may not contact you may not contact they may not contact
V-ing form
I may not be contacting you may not be contacting he may not be contacting we may not be contacting you may not be contacting they may not be contacting
Perfect
I may not have contacted you may not have contacted he may not have contacted we may not have contacted you may not have contacted they may not have contacted
V-ing perfect
I may not have been contacting you may not have been contacting he may not have been contacting we may not have been contacting you may not have been contacting they may not have been contacting
Interrogative form
Simple form
may I contact? may you contact? may he contact? may we contact? may you contact? may they contact?
V-ing form
may I be contacting? may you be contacting? may he be contacting? may we be contacting? may you be contacting? may they be contacting?
Perfect
may I have contacted? may you have contacted? may he have contacted? may we have contacted? may you have contacted? may they have contacted?
V-ing perfect
may I have been contacting? may you have been contacting? may he have been contacting? may we have been contacting? may you have been contacting? may they have been contacting?
Interro-negative form
Simple form
may I not contact? may you not contact? may he not contact? may we not contact? may you not contact? may they not contact?
V-ing form
may I not be contacting? may you not be contacting? may he not be contacting? may we not be contacting? may you not be contacting? may they not be contacting?
Perfect
may I not have contacted? may you not have contacted? may he not have contacted? may we not have contacted? may you not have contacted? may they not have contacted?
V-ing perfect
may I not have been contacting? may you not have been contacting? may he not have been contacting? may we not have been contacting? may you not have been contacting? may they not have been contacting?