English verb conjugation
SHOULD YOWL

Regular verb: yowl - yowled - yowled

Affirmation

Simple form	V-ing form
I should yowl you should yowl he should yowl we should yowl you should yowl they should yowl	I should be yowling you should be yowling he should be yowling we should be yowling you should be yowling they should be yowling
Perfect	V-ing perfect
I should have yowled you should have yowled he should have yowled we should have yowled you should have yowled they should have yowled	I should have been yowling you should have been yowling he should have been yowling we should have been yowling you should have been yowling they should have been yowling

Negation

Simple form	V-ing form
I should not yowl you should not yowl he should not yowl we should not yowl you should not yowl they should not yowl	I should not be yowling you should not be yowling he should not be yowling we should not be yowling you should not be yowling they should not be yowling
Perfect	V-ing perfect
I should not have yowled you should not have yowled he should not have yowled we should not have yowled you should not have yowled they should not have yowled	I should not have been yowling you should not have been yowling he should not have been yowling we should not have been yowling you should not have been yowling they should not have been yowling

Interrogative form

Simple form	V-ing form
should I yowl? should you yowl? should he yowl? should we yowl? should you yowl? should they yowl?	should I be yowling? should you be yowling? should he be yowling? should we be yowling? should you be yowling? should they be yowling?
Perfect	V-ing perfect
should I have yowled? should you have yowled? should he have yowled? should we have yowled? should you have yowled? should they have yowled?	should I have been yowling? should you have been yowling? should he have been yowling? should we have been yowling? should you have been yowling? should they have been yowling?

Interro-negative form

Simple form	V-ing form
should I not yowl? should you not yowl? should he not yowl? should we not yowl? should you not yowl? should they not yowl?	should I not be yowling? should you not be yowling? should he not be yowling? should we not be yowling? should you not be yowling? should they not be yowling?
Perfect	V-ing perfect
should I not have yowled? should you not have yowled? should he not have yowled? should we not have yowled? should you not have yowled? should they not have yowled?	should I not have been yowling? should you not have been yowling? should he not have been yowling? should we not have been yowling? should you not have been yowling? should they not have been yowling?