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