English verb conjugation
SHOULD RAT

Regular verb: rat - ratted - ratted

Affirmation

Simple form	V-ing form
I should rat you should rat he should rat we should rat you should rat they should rat	I should be ratting you should be ratting he should be ratting we should be ratting you should be ratting they should be ratting
Perfect	V-ing perfect
I should have ratted you should have ratted he should have ratted we should have ratted you should have ratted they should have ratted	I should have been ratting you should have been ratting he should have been ratting we should have been ratting you should have been ratting they should have been ratting

Negation

Simple form	V-ing form
I should not rat you should not rat he should not rat we should not rat you should not rat they should not rat	I should not be ratting you should not be ratting he should not be ratting we should not be ratting you should not be ratting they should not be ratting
Perfect	V-ing perfect
I should not have ratted you should not have ratted he should not have ratted we should not have ratted you should not have ratted they should not have ratted	I should not have been ratting you should not have been ratting he should not have been ratting we should not have been ratting you should not have been ratting they should not have been ratting

Interrogative form

Simple form	V-ing form
should I rat? should you rat? should he rat? should we rat? should you rat? should they rat?	should I be ratting? should you be ratting? should he be ratting? should we be ratting? should you be ratting? should they be ratting?
Perfect	V-ing perfect
should I have ratted? should you have ratted? should he have ratted? should we have ratted? should you have ratted? should they have ratted?	should I have been ratting? should you have been ratting? should he have been ratting? should we have been ratting? should you have been ratting? should they have been ratting?

Interro-negative form

Simple form	V-ing form
should I not rat? should you not rat? should he not rat? should we not rat? should you not rat? should they not rat?	should I not be ratting? should you not be ratting? should he not be ratting? should we not be ratting? should you not be ratting? should they not be ratting?
Perfect	V-ing perfect
should I not have ratted? should you not have ratted? should he not have ratted? should we not have ratted? should you not have ratted? should they not have ratted?	should I not have been ratting? should you not have been ratting? should he not have been ratting? should we not have been ratting? should you not have been ratting? should they not have been ratting?