English verb conjugation
MUST PORTEND

Regular verb: portend - portended - portended

Affirmation

Simple form	V-ing form
I must portend you must portend she must portend we must portend you must portend they must portend	I must be portending you must be portending she 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 she 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 she 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 she 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 she 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 she 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 she 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 she portend? must we portend? must you portend? must they portend?	must I be portending? must you be portending? must she 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 she 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 she 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 she 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 she 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 she 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 she have been portending? mustn't we have been portending? mustn't you have been portending? mustn't they have been portending?