I may teleconference you may teleconference he may teleconference we may teleconference you may teleconference they may teleconference
V-ing form
I may be teleconferencing you may be teleconferencing he may be teleconferencing we may be teleconferencing you may be teleconferencing they may be teleconferencing
Perfect
I may have teleconferenced you may have teleconferenced he may have teleconferenced we may have teleconferenced you may have teleconferenced they may have teleconferenced
V-ing perfect
I may have been teleconferencing you may have been teleconferencing he may have been teleconferencing we may have been teleconferencing you may have been teleconferencing they may have been teleconferencing
Negation
Simple form
I mayn't teleconference you mayn't teleconference he mayn't teleconference we mayn't teleconference you mayn't teleconference they mayn't teleconference
V-ing form
I mayn't be teleconferencing you mayn't be teleconferencing he mayn't be teleconferencing we mayn't be teleconferencing you mayn't be teleconferencing they mayn't be teleconferencing
Perfect
I mayn't have teleconferenced you mayn't have teleconferenced he mayn't have teleconferenced we mayn't have teleconferenced you mayn't have teleconferenced they mayn't have teleconferenced
V-ing perfect
I mayn't have been teleconferencing you mayn't have been teleconferencing he mayn't have been teleconferencing we mayn't have been teleconferencing you mayn't have been teleconferencing they mayn't have been teleconferencing
Interrogative form
Simple form
may I teleconference? may you teleconference? may he teleconference? may we teleconference? may you teleconference? may they teleconference?
V-ing form
may I be teleconferencing? may you be teleconferencing? may he be teleconferencing? may we be teleconferencing? may you be teleconferencing? may they be teleconferencing?
Perfect
may I have teleconferenced? may you have teleconferenced? may he have teleconferenced? may we have teleconferenced? may you have teleconferenced? may they have teleconferenced?
V-ing perfect
may I have been teleconferencing? may you have been teleconferencing? may he have been teleconferencing? may we have been teleconferencing? may you have been teleconferencing? may they have been teleconferencing?
Interro-negative form
Simple form
mayn't I teleconference? mayn't you teleconference? mayn't he teleconference? mayn't we teleconference? mayn't you teleconference? mayn't they teleconference?
V-ing form
mayn't I be teleconferencing? mayn't you be teleconferencing? mayn't he be teleconferencing? mayn't we be teleconferencing? mayn't you be teleconferencing? mayn't they be teleconferencing?
Perfect
mayn't I have teleconferenced? mayn't you have teleconferenced? mayn't he have teleconferenced? mayn't we have teleconferenced? mayn't you have teleconferenced? mayn't they have teleconferenced?
V-ing perfect
mayn't I have been teleconferencing? mayn't you have been teleconferencing? mayn't he have been teleconferencing? mayn't we have been teleconferencing? mayn't you have been teleconferencing? mayn't they have been teleconferencing?