English verb conjugation
SHOULD COW

Regular verb: cow - cowed - cowed

Affirmation

Simple form	V-ing form
I'd cow you'd cow he'd cow we'd cow you'd cow they'd cow	I'd be cowing you'd be cowing he'd be cowing we'd be cowing you'd be cowing they'd be cowing
Perfect	V-ing perfect
I should've cowed you should've cowed he should've cowed we should've cowed you should've cowed they should've cowed	I should've been cowing you should've been cowing he should've been cowing we should've been cowing you should've been cowing they should've been cowing

Negation

Simple form	V-ing form
I shouldn't cow you shouldn't cow he shouldn't cow we shouldn't cow you shouldn't cow they shouldn't cow	I shouldn't be cowing you shouldn't be cowing he shouldn't be cowing we shouldn't be cowing you shouldn't be cowing they shouldn't be cowing
Perfect	V-ing perfect
I shouldn't have cowed you shouldn't have cowed he shouldn't have cowed we shouldn't have cowed you shouldn't have cowed they shouldn't have cowed	I shouldn't have been cowing you shouldn't have been cowing he shouldn't have been cowing we shouldn't have been cowing you shouldn't have been cowing they shouldn't have been cowing

Interrogative form

Simple form	V-ing form
should I cow? should you cow? should he cow? should we cow? should you cow? should they cow?	should I be cowing? should you be cowing? should he be cowing? should we be cowing? should you be cowing? should they be cowing?
Perfect	V-ing perfect
should I have cowed? should you have cowed? should he have cowed? should we have cowed? should you have cowed? should they have cowed?	should I have been cowing? should you have been cowing? should he have been cowing? should we have been cowing? should you have been cowing? should they have been cowing?

Interro-negative form

Simple form	V-ing form
shouldn't I cow? shouldn't you cow? shouldn't he cow? shouldn't we cow? shouldn't you cow? shouldn't they cow?	shouldn't I be cowing? shouldn't you be cowing? shouldn't he be cowing? shouldn't we be cowing? shouldn't you be cowing? shouldn't they be cowing?
Perfect	V-ing perfect
shouldn't I have cowed? shouldn't you have cowed? shouldn't he have cowed? shouldn't we have cowed? shouldn't you have cowed? shouldn't they have cowed?	shouldn't I have been cowing? shouldn't you have been cowing? shouldn't he have been cowing? shouldn't we have been cowing? shouldn't you have been cowing? shouldn't they have been cowing?