English verb conjugation
SHOULD RAVEL

Regular verb: ravel - ravelled - ravelled

Affirmation

Simple form	V-ing form
I should ravel you should ravel she should ravel we should ravel you should ravel they should ravel	I should be ravelling you should be ravelling she should be ravelling we should be ravelling you should be ravelling they should be ravelling
Perfect	V-ing perfect
I should have ravelled you should have ravelled she should have ravelled we should have ravelled you should have ravelled they should have ravelled	I should have been ravelling you should have been ravelling she should have been ravelling we should have been ravelling you should have been ravelling they should have been ravelling

Negation

Simple form	V-ing form
I should not ravel you should not ravel she should not ravel we should not ravel you should not ravel they should not ravel	I should not be ravelling you should not be ravelling she should not be ravelling we should not be ravelling you should not be ravelling they should not be ravelling
Perfect	V-ing perfect
I should not have ravelled you should not have ravelled she should not have ravelled we should not have ravelled you should not have ravelled they should not have ravelled	I should not have been ravelling you should not have been ravelling she should not have been ravelling we should not have been ravelling you should not have been ravelling they should not have been ravelling

Interrogative form

Simple form	V-ing form
should I ravel? should you ravel? should she ravel? should we ravel? should you ravel? should they ravel?	should I be ravelling? should you be ravelling? should she be ravelling? should we be ravelling? should you be ravelling? should they be ravelling?
Perfect	V-ing perfect
should I have ravelled? should you have ravelled? should she have ravelled? should we have ravelled? should you have ravelled? should they have ravelled?	should I have been ravelling? should you have been ravelling? should she have been ravelling? should we have been ravelling? should you have been ravelling? should they have been ravelling?

Interro-negative form

Simple form	V-ing form
should I not ravel? should you not ravel? should she not ravel? should we not ravel? should you not ravel? should they not ravel?	should I not be ravelling? should you not be ravelling? should she not be ravelling? should we not be ravelling? should you not be ravelling? should they not be ravelling?
Perfect	V-ing perfect
should I not have ravelled? should you not have ravelled? should she not have ravelled? should we not have ravelled? should you not have ravelled? should they not have ravelled?	should I not have been ravelling? should you not have been ravelling? should she not have been ravelling? should we not have been ravelling? should you not have been ravelling? should they not have been ravelling?