English verb conjugation
SHOULD PORTEND

Regular verb: portend - portended - portended

Affirmation

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

Negation

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