English verb conjugation
SHOULD GROAN

Regular verb: groan - groaned - groaned

Affirmation

Simple form	V-ing form
I'd groan you'd groan she'd groan we'd groan you'd groan they'd groan	I'd be groaning you'd be groaning she'd be groaning we'd be groaning you'd be groaning they'd be groaning
Perfect	V-ing perfect
I should've groaned you should've groaned she should've groaned we should've groaned you should've groaned they should've groaned	I should've been groaning you should've been groaning she should've been groaning we should've been groaning you should've been groaning they should've been groaning

Negation

Simple form	V-ing form
I shouldn't groan you shouldn't groan she shouldn't groan we shouldn't groan you shouldn't groan they shouldn't groan	I shouldn't be groaning you shouldn't be groaning she shouldn't be groaning we shouldn't be groaning you shouldn't be groaning they shouldn't be groaning
Perfect	V-ing perfect
I shouldn't have groaned you shouldn't have groaned she shouldn't have groaned we shouldn't have groaned you shouldn't have groaned they shouldn't have groaned	I shouldn't have been groaning you shouldn't have been groaning she shouldn't have been groaning we shouldn't have been groaning you shouldn't have been groaning they shouldn't have been groaning

Interrogative form

Simple form	V-ing form
should I groan? should you groan? should she groan? should we groan? should you groan? should they groan?	should I be groaning? should you be groaning? should she be groaning? should we be groaning? should you be groaning? should they be groaning?
Perfect	V-ing perfect
should I have groaned? should you have groaned? should she have groaned? should we have groaned? should you have groaned? should they have groaned?	should I have been groaning? should you have been groaning? should she have been groaning? should we have been groaning? should you have been groaning? should they have been groaning?

Interro-negative form

Simple form	V-ing form
shouldn't I groan? shouldn't you groan? shouldn't she groan? shouldn't we groan? shouldn't you groan? shouldn't they groan?	shouldn't I be groaning? shouldn't you be groaning? shouldn't she be groaning? shouldn't we be groaning? shouldn't you be groaning? shouldn't they be groaning?
Perfect	V-ing perfect
shouldn't I have groaned? shouldn't you have groaned? shouldn't she have groaned? shouldn't we have groaned? shouldn't you have groaned? shouldn't they have groaned?	shouldn't I have been groaning? shouldn't you have been groaning? shouldn't she have been groaning? shouldn't we have been groaning? shouldn't you have been groaning? shouldn't they have been groaning?