English verb conjugation
MUST PORTEND

Regular verb: portend - portended - portended

Affirmation

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

Negation

Simple form	V-ing form
I must not portend you must not portend he must not portend we must not portend you must not portend they must not portend	I must not be portending you must not be portending he must not be portending we must not be portending you must not be portending they must not be portending
Perfect	V-ing perfect
I must not have portended you must not have portended he must not have portended we must not have portended you must not have portended they must not have portended	I must not have been portending you must not have been portending he must not have been portending we must not have been portending you must not have been portending they must not have been portending

Interrogative form

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

Interro-negative form

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