English verb conjugation
SHOULD PORTEND

Regular verb: portend - portended - portended

Affirmation

Simple form	V-ing form
I'd portend you'd portend he'd portend we'd portend you'd portend they'd portend	I'd be portending you'd be portending he'd be portending we'd be portending you'd be portending they'd be portending
Perfect	V-ing perfect
I should've portended you should've portended he should've portended we should've portended you should've portended they should've portended	I should've been portending you should've been portending he should've been portending we should've been portending you should've been portending they should've been portending

Negation

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

Interrogative form

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

Interro-negative form

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