English verb conjugation
MAY INTERFACE

Regular verb: interface - interfaced - interfaced

Affirmation

Simple form	V-ing form
I may interface you may interface he may interface we may interface you may interface they may interface	I may be interfacing you may be interfacing he may be interfacing we may be interfacing you may be interfacing they may be interfacing
Perfect	V-ing perfect
I may have interfaced you may have interfaced he may have interfaced we may have interfaced you may have interfaced they may have interfaced	I may have been interfacing you may have been interfacing he may have been interfacing we may have been interfacing you may have been interfacing they may have been interfacing

Negation

Simple form	V-ing form
I mayn't interface you mayn't interface he mayn't interface we mayn't interface you mayn't interface they mayn't interface	I mayn't be interfacing you mayn't be interfacing he mayn't be interfacing we mayn't be interfacing you mayn't be interfacing they mayn't be interfacing
Perfect	V-ing perfect
I mayn't have interfaced you mayn't have interfaced he mayn't have interfaced we mayn't have interfaced you mayn't have interfaced they mayn't have interfaced	I mayn't have been interfacing you mayn't have been interfacing he mayn't have been interfacing we mayn't have been interfacing you mayn't have been interfacing they mayn't have been interfacing

Interrogative form

Simple form	V-ing form
may I interface? may you interface? may he interface? may we interface? may you interface? may they interface?	may I be interfacing? may you be interfacing? may he be interfacing? may we be interfacing? may you be interfacing? may they be interfacing?
Perfect	V-ing perfect
may I have interfaced? may you have interfaced? may he have interfaced? may we have interfaced? may you have interfaced? may they have interfaced?	may I have been interfacing? may you have been interfacing? may he have been interfacing? may we have been interfacing? may you have been interfacing? may they have been interfacing?

Interro-negative form

Simple form	V-ing form
mayn't I interface? mayn't you interface? mayn't he interface? mayn't we interface? mayn't you interface? mayn't they interface?	mayn't I be interfacing? mayn't you be interfacing? mayn't he be interfacing? mayn't we be interfacing? mayn't you be interfacing? mayn't they be interfacing?
Perfect	V-ing perfect
mayn't I have interfaced? mayn't you have interfaced? mayn't he have interfaced? mayn't we have interfaced? mayn't you have interfaced? mayn't they have interfaced?	mayn't I have been interfacing? mayn't you have been interfacing? mayn't he have been interfacing? mayn't we have been interfacing? mayn't you have been interfacing? mayn't they have been interfacing?