English verb conjugation
SHOULD GRAIN

Regular verb: grain - grained - grained

Affirmation

Simple form	V-ing form
I should grain you should grain he should grain we should grain you should grain they should grain	I should be graining you should be graining he should be graining we should be graining you should be graining they should be graining
Perfect	V-ing perfect
I should have grained you should have grained he should have grained we should have grained you should have grained they should have grained	I should have been graining you should have been graining he should have been graining we should have been graining you should have been graining they should have been graining

Negation

Simple form	V-ing form
I should not grain you should not grain he should not grain we should not grain you should not grain they should not grain	I should not be graining you should not be graining he should not be graining we should not be graining you should not be graining they should not be graining
Perfect	V-ing perfect
I should not have grained you should not have grained he should not have grained we should not have grained you should not have grained they should not have grained	I should not have been graining you should not have been graining he should not have been graining we should not have been graining you should not have been graining they should not have been graining

Interrogative form

Simple form	V-ing form
should I grain? should you grain? should he grain? should we grain? should you grain? should they grain?	should I be graining? should you be graining? should he be graining? should we be graining? should you be graining? should they be graining?
Perfect	V-ing perfect
should I have grained? should you have grained? should he have grained? should we have grained? should you have grained? should they have grained?	should I have been graining? should you have been graining? should he have been graining? should we have been graining? should you have been graining? should they have been graining?

Interro-negative form

Simple form	V-ing form
should I not grain? should you not grain? should he not grain? should we not grain? should you not grain? should they not grain?	should I not be graining? should you not be graining? should he not be graining? should we not be graining? should you not be graining? should they not be graining?
Perfect	V-ing perfect
should I not have grained? should you not have grained? should he not have grained? should we not have grained? should you not have grained? should they not have grained?	should I not have been graining? should you not have been graining? should he not have been graining? should we not have been graining? should you not have been graining? should they not have been graining?