English verb conjugation
SHOULD EXTENUATE

Regular verb: extenuate - extenuated - extenuated

Affirmation

Simple form	V-ing form
I'd extenuate you'd extenuate he'd extenuate we'd extenuate you'd extenuate they'd extenuate	I'd be extenuating you'd be extenuating he'd be extenuating we'd be extenuating you'd be extenuating they'd be extenuating
Perfect	V-ing perfect
I should've extenuated you should've extenuated he should've extenuated we should've extenuated you should've extenuated they should've extenuated	I should've been extenuating you should've been extenuating he should've been extenuating we should've been extenuating you should've been extenuating they should've been extenuating

Negation

Simple form	V-ing form
I shouldn't extenuate you shouldn't extenuate he shouldn't extenuate we shouldn't extenuate you shouldn't extenuate they shouldn't extenuate	I shouldn't be extenuating you shouldn't be extenuating he shouldn't be extenuating we shouldn't be extenuating you shouldn't be extenuating they shouldn't be extenuating
Perfect	V-ing perfect
I shouldn't have extenuated you shouldn't have extenuated he shouldn't have extenuated we shouldn't have extenuated you shouldn't have extenuated they shouldn't have extenuated	I shouldn't have been extenuating you shouldn't have been extenuating he shouldn't have been extenuating we shouldn't have been extenuating you shouldn't have been extenuating they shouldn't have been extenuating

Interrogative form

Simple form	V-ing form
should I extenuate? should you extenuate? should he extenuate? should we extenuate? should you extenuate? should they extenuate?	should I be extenuating? should you be extenuating? should he be extenuating? should we be extenuating? should you be extenuating? should they be extenuating?
Perfect	V-ing perfect
should I have extenuated? should you have extenuated? should he have extenuated? should we have extenuated? should you have extenuated? should they have extenuated?	should I have been extenuating? should you have been extenuating? should he have been extenuating? should we have been extenuating? should you have been extenuating? should they have been extenuating?

Interro-negative form

Simple form	V-ing form
shouldn't I extenuate? shouldn't you extenuate? shouldn't he extenuate? shouldn't we extenuate? shouldn't you extenuate? shouldn't they extenuate?	shouldn't I be extenuating? shouldn't you be extenuating? shouldn't he be extenuating? shouldn't we be extenuating? shouldn't you be extenuating? shouldn't they be extenuating?
Perfect	V-ing perfect
shouldn't I have extenuated? shouldn't you have extenuated? shouldn't he have extenuated? shouldn't we have extenuated? shouldn't you have extenuated? shouldn't they have extenuated?	shouldn't I have been extenuating? shouldn't you have been extenuating? shouldn't he have been extenuating? shouldn't we have been extenuating? shouldn't you have been extenuating? shouldn't they have been extenuating?