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 may not portend you may not portend he may not portend we may not portend you may not portend they may not portend	I may not be portending you may not be portending he may not be portending we may not be portending you may not be portending they may not be portending
Perfect	V-ing perfect
I may not have portended you may not have portended he may not have portended we may not have portended you may not have portended they may not have portended	I may not have been portending you may not have been portending he may not have been portending we may not have been portending you may not have been portending they may not 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
may I not portend? may you not portend? may he not portend? may we not portend? may you not portend? may they not portend?	may I not be portending? may you not be portending? may he not be portending? may we not be portending? may you not be portending? may they not be portending?
Perfect	V-ing perfect
may I not have portended? may you not have portended? may he not have portended? may we not have portended? may you not have portended? may they not have portended?	may I not have been portending? may you not have been portending? may he not have been portending? may we not have been portending? may you not have been portending? may they not have been portending?