English verb conjugation
SHOULD FROG

Regular verb: frog - froged - froged

Affirmation

Simple form	V-ing form
I should frog you should frog she should frog we should frog you should frog they should frog	I should be froging you should be froging she should be froging we should be froging you should be froging they should be froging
Perfect	V-ing perfect
I should have froged you should have froged she should have froged we should have froged you should have froged they should have froged	I should have been froging you should have been froging she should have been froging we should have been froging you should have been froging they should have been froging

Negation

Simple form	V-ing form
I should not frog you should not frog she should not frog we should not frog you should not frog they should not frog	I should not be froging you should not be froging she should not be froging we should not be froging you should not be froging they should not be froging
Perfect	V-ing perfect
I should not have froged you should not have froged she should not have froged we should not have froged you should not have froged they should not have froged	I should not have been froging you should not have been froging she should not have been froging we should not have been froging you should not have been froging they should not have been froging

Interrogative form

Simple form	V-ing form
should I frog? should you frog? should she frog? should we frog? should you frog? should they frog?	should I be froging? should you be froging? should she be froging? should we be froging? should you be froging? should they be froging?
Perfect	V-ing perfect
should I have froged? should you have froged? should she have froged? should we have froged? should you have froged? should they have froged?	should I have been froging? should you have been froging? should she have been froging? should we have been froging? should you have been froging? should they have been froging?

Interro-negative form

Simple form	V-ing form
should I not frog? should you not frog? should she not frog? should we not frog? should you not frog? should they not frog?	should I not be froging? should you not be froging? should she not be froging? should we not be froging? should you not be froging? should they not be froging?
Perfect	V-ing perfect
should I not have froged? should you not have froged? should she not have froged? should we not have froged? should you not have froged? should they not have froged?	should I not have been froging? should you not have been froging? should she not have been froging? should we not have been froging? should you not have been froging? should they not have been froging?