English verb conjugation
SHOULD UNDERACT

Regular verb: underact - underacted - underacted

Affirmation

Simple form	V-ing form
I'd underact you'd underact he'd underact we'd underact you'd underact they'd underact	I'd be underacting you'd be underacting he'd be underacting we'd be underacting you'd be underacting they'd be underacting
Perfect	V-ing perfect
I should've underacted you should've underacted he should've underacted we should've underacted you should've underacted they should've underacted	I should've been underacting you should've been underacting he should've been underacting we should've been underacting you should've been underacting they should've been underacting

Negation

Simple form	V-ing form
I shouldn't underact you shouldn't underact he shouldn't underact we shouldn't underact you shouldn't underact they shouldn't underact	I shouldn't be underacting you shouldn't be underacting he shouldn't be underacting we shouldn't be underacting you shouldn't be underacting they shouldn't be underacting
Perfect	V-ing perfect
I shouldn't have underacted you shouldn't have underacted he shouldn't have underacted we shouldn't have underacted you shouldn't have underacted they shouldn't have underacted	I shouldn't have been underacting you shouldn't have been underacting he shouldn't have been underacting we shouldn't have been underacting you shouldn't have been underacting they shouldn't have been underacting

Interrogative form

Simple form	V-ing form
should I underact? should you underact? should he underact? should we underact? should you underact? should they underact?	should I be underacting? should you be underacting? should he be underacting? should we be underacting? should you be underacting? should they be underacting?
Perfect	V-ing perfect
should I have underacted? should you have underacted? should he have underacted? should we have underacted? should you have underacted? should they have underacted?	should I have been underacting? should you have been underacting? should he have been underacting? should we have been underacting? should you have been underacting? should they have been underacting?

Interro-negative form

Simple form	V-ing form
shouldn't I underact? shouldn't you underact? shouldn't he underact? shouldn't we underact? shouldn't you underact? shouldn't they underact?	shouldn't I be underacting? shouldn't you be underacting? shouldn't he be underacting? shouldn't we be underacting? shouldn't you be underacting? shouldn't they be underacting?
Perfect	V-ing perfect
shouldn't I have underacted? shouldn't you have underacted? shouldn't he have underacted? shouldn't we have underacted? shouldn't you have underacted? shouldn't they have underacted?	shouldn't I have been underacting? shouldn't you have been underacting? shouldn't he have been underacting? shouldn't we have been underacting? shouldn't you have been underacting? shouldn't they have been underacting?