English verb conjugation
SHOULD JOIN

Regular verb: join - joined - joined

Affirmation

Simple form	V-ing form
I should join you should join he should join we should join you should join they should join	I should be joining you should be joining he should be joining we should be joining you should be joining they should be joining
Perfect	V-ing perfect
I should have joined you should have joined he should have joined we should have joined you should have joined they should have joined	I should have been joining you should have been joining he should have been joining we should have been joining you should have been joining they should have been joining

Negation

Simple form	V-ing form
I should not join you should not join he should not join we should not join you should not join they should not join	I should not be joining you should not be joining he should not be joining we should not be joining you should not be joining they should not be joining
Perfect	V-ing perfect
I should not have joined you should not have joined he should not have joined we should not have joined you should not have joined they should not have joined	I should not have been joining you should not have been joining he should not have been joining we should not have been joining you should not have been joining they should not have been joining

Interrogative form

Simple form	V-ing form
should I join? should you join? should he join? should we join? should you join? should they join?	should I be joining? should you be joining? should he be joining? should we be joining? should you be joining? should they be joining?
Perfect	V-ing perfect
should I have joined? should you have joined? should he have joined? should we have joined? should you have joined? should they have joined?	should I have been joining? should you have been joining? should he have been joining? should we have been joining? should you have been joining? should they have been joining?

Interro-negative form

Simple form	V-ing form
should I not join? should you not join? should he not join? should we not join? should you not join? should they not join?	should I not be joining? should you not be joining? should he not be joining? should we not be joining? should you not be joining? should they not be joining?
Perfect	V-ing perfect
should I not have joined? should you not have joined? should he not have joined? should we not have joined? should you not have joined? should they not have joined?	should I not have been joining? should you not have been joining? should he not have been joining? should we not have been joining? should you not have been joining? should they not have been joining?