English verb conjugation
SHOULD COWL

Regular verb: cowl - cowled - cowled

Affirmation

Simple form	V-ing form
I'd cowl you'd cowl he'd cowl we'd cowl you'd cowl they'd cowl	I'd be cowling you'd be cowling he'd be cowling we'd be cowling you'd be cowling they'd be cowling
Perfect	V-ing perfect
I should've cowled you should've cowled he should've cowled we should've cowled you should've cowled they should've cowled	I should've been cowling you should've been cowling he should've been cowling we should've been cowling you should've been cowling they should've been cowling

Negation

Simple form	V-ing form
I shouldn't cowl you shouldn't cowl he shouldn't cowl we shouldn't cowl you shouldn't cowl they shouldn't cowl	I shouldn't be cowling you shouldn't be cowling he shouldn't be cowling we shouldn't be cowling you shouldn't be cowling they shouldn't be cowling
Perfect	V-ing perfect
I shouldn't have cowled you shouldn't have cowled he shouldn't have cowled we shouldn't have cowled you shouldn't have cowled they shouldn't have cowled	I shouldn't have been cowling you shouldn't have been cowling he shouldn't have been cowling we shouldn't have been cowling you shouldn't have been cowling they shouldn't have been cowling

Interrogative form

Simple form	V-ing form
should I cowl? should you cowl? should he cowl? should we cowl? should you cowl? should they cowl?	should I be cowling? should you be cowling? should he be cowling? should we be cowling? should you be cowling? should they be cowling?
Perfect	V-ing perfect
should I have cowled? should you have cowled? should he have cowled? should we have cowled? should you have cowled? should they have cowled?	should I have been cowling? should you have been cowling? should he have been cowling? should we have been cowling? should you have been cowling? should they have been cowling?

Interro-negative form

Simple form	V-ing form
shouldn't I cowl? shouldn't you cowl? shouldn't he cowl? shouldn't we cowl? shouldn't you cowl? shouldn't they cowl?	shouldn't I be cowling? shouldn't you be cowling? shouldn't he be cowling? shouldn't we be cowling? shouldn't you be cowling? shouldn't they be cowling?
Perfect	V-ing perfect
shouldn't I have cowled? shouldn't you have cowled? shouldn't he have cowled? shouldn't we have cowled? shouldn't you have cowled? shouldn't they have cowled?	shouldn't I have been cowling? shouldn't you have been cowling? shouldn't he have been cowling? shouldn't we have been cowling? shouldn't you have been cowling? shouldn't they have been cowling?