English verb conjugation
SHOULD SCOWL

Regular verb: scowl - scowled - scowled

Affirmation

Simple form	V-ing form
I should scowl you should scowl he should scowl we should scowl you should scowl they should scowl	I should be scowling you should be scowling he should be scowling we should be scowling you should be scowling they should be scowling
Perfect	V-ing perfect
I should have scowled you should have scowled he should have scowled we should have scowled you should have scowled they should have scowled	I should have been scowling you should have been scowling he should have been scowling we should have been scowling you should have been scowling they should have been scowling

Negation

Simple form	V-ing form
I should not scowl you should not scowl he should not scowl we should not scowl you should not scowl they should not scowl	I should not be scowling you should not be scowling he should not be scowling we should not be scowling you should not be scowling they should not be scowling
Perfect	V-ing perfect
I should not have scowled you should not have scowled he should not have scowled we should not have scowled you should not have scowled they should not have scowled	I should not have been scowling you should not have been scowling he should not have been scowling we should not have been scowling you should not have been scowling they should not have been scowling

Interrogative form

Simple form	V-ing form
should I scowl? should you scowl? should he scowl? should we scowl? should you scowl? should they scowl?	should I be scowling? should you be scowling? should he be scowling? should we be scowling? should you be scowling? should they be scowling?
Perfect	V-ing perfect
should I have scowled? should you have scowled? should he have scowled? should we have scowled? should you have scowled? should they have scowled?	should I have been scowling? should you have been scowling? should he have been scowling? should we have been scowling? should you have been scowling? should they have been scowling?

Interro-negative form

Simple form	V-ing form
should I not scowl? should you not scowl? should he not scowl? should we not scowl? should you not scowl? should they not scowl?	should I not be scowling? should you not be scowling? should he not be scowling? should we not be scowling? should you not be scowling? should they not be scowling?
Perfect	V-ing perfect
should I not have scowled? should you not have scowled? should he not have scowled? should we not have scowled? should you not have scowled? should they not have scowled?	should I not have been scowling? should you not have been scowling? should he not have been scowling? should we not have been scowling? should you not have been scowling? should they not have been scowling?