English verb conjugation
SHOULD FABLE

Regular verb: fable - fabled - fabled

Affirmation

Simple form	V-ing form
I should fable you should fable he should fable we should fable you should fable they should fable	I should be fabling you should be fabling he should be fabling we should be fabling you should be fabling they should be fabling
Perfect	V-ing perfect
I should have fabled you should have fabled he should have fabled we should have fabled you should have fabled they should have fabled	I should have been fabling you should have been fabling he should have been fabling we should have been fabling you should have been fabling they should have been fabling

Negation

Simple form	V-ing form
I should not fable you should not fable he should not fable we should not fable you should not fable they should not fable	I should not be fabling you should not be fabling he should not be fabling we should not be fabling you should not be fabling they should not be fabling
Perfect	V-ing perfect
I should not have fabled you should not have fabled he should not have fabled we should not have fabled you should not have fabled they should not have fabled	I should not have been fabling you should not have been fabling he should not have been fabling we should not have been fabling you should not have been fabling they should not have been fabling

Interrogative form

Simple form	V-ing form
should I fable? should you fable? should he fable? should we fable? should you fable? should they fable?	should I be fabling? should you be fabling? should he be fabling? should we be fabling? should you be fabling? should they be fabling?
Perfect	V-ing perfect
should I have fabled? should you have fabled? should he have fabled? should we have fabled? should you have fabled? should they have fabled?	should I have been fabling? should you have been fabling? should he have been fabling? should we have been fabling? should you have been fabling? should they have been fabling?

Interro-negative form

Simple form	V-ing form
should I not fable? should you not fable? should he not fable? should we not fable? should you not fable? should they not fable?	should I not be fabling? should you not be fabling? should he not be fabling? should we not be fabling? should you not be fabling? should they not be fabling?
Perfect	V-ing perfect
should I not have fabled? should you not have fabled? should he not have fabled? should we not have fabled? should you not have fabled? should they not have fabled?	should I not have been fabling? should you not have been fabling? should he not have been fabling? should we not have been fabling? should you not have been fabling? should they not have been fabling?