English verb conjugation
MAY PORTEND

Regular verb: portend - portended - portended

Affirmation

Simple form	V-ing form
I may portend you may portend he may portend we may portend you may portend they may portend	I may be portending you may be portending he may be portending we may be portending you may be portending they may be portending
Perfect	V-ing perfect
I may have portended you may have portended he may have portended we may have portended you may have portended they may have portended	I may have been portending you may have been portending he may have been portending we may have been portending you may have been portending they may have been portending

Negation

Simple form	V-ing form
I mayn't portend you mayn't portend he mayn't portend we mayn't portend you mayn't portend they mayn't portend	I mayn't be portending you mayn't be portending he mayn't be portending we mayn't be portending you mayn't be portending they mayn't be portending
Perfect	V-ing perfect
I mayn't have portended you mayn't have portended he mayn't have portended we mayn't have portended you mayn't have portended they mayn't have portended	I mayn't have been portending you mayn't have been portending he mayn't have been portending we mayn't have been portending you mayn't have been portending they mayn't have been portending

Interrogative form

Simple form	V-ing form
may I portend? may you portend? may he portend? may we portend? may you portend? may they portend?	may I be portending? may you be portending? may he be portending? may we be portending? may you be portending? may they be portending?
Perfect	V-ing perfect
may I have portended? may you have portended? may he have portended? may we have portended? may you have portended? may they have portended?	may I have been portending? may you have been portending? may he have been portending? may we have been portending? may you have been portending? may they have been portending?

Interro-negative form

Simple form	V-ing form
mayn't I portend? mayn't you portend? mayn't he portend? mayn't we portend? mayn't you portend? mayn't they portend?	mayn't I be portending? mayn't you be portending? mayn't he be portending? mayn't we be portending? mayn't you be portending? mayn't they be portending?
Perfect	V-ing perfect
mayn't I have portended? mayn't you have portended? mayn't he have portended? mayn't we have portended? mayn't you have portended? mayn't they have portended?	mayn't I have been portending? mayn't you have been portending? mayn't he have been portending? mayn't we have been portending? mayn't you have been portending? mayn't they have been portending?