English verb conjugation
SHOULD GRUMP

Regular verb: grump - grumped - grumped

Affirmation

Simple form	V-ing form
I should grump you should grump he should grump we should grump you should grump they should grump	I should be grumping you should be grumping he should be grumping we should be grumping you should be grumping they should be grumping
Perfect	V-ing perfect
I should have grumped you should have grumped he should have grumped we should have grumped you should have grumped they should have grumped	I should have been grumping you should have been grumping he should have been grumping we should have been grumping you should have been grumping they should have been grumping

Negation

Simple form	V-ing form
I should not grump you should not grump he should not grump we should not grump you should not grump they should not grump	I should not be grumping you should not be grumping he should not be grumping we should not be grumping you should not be grumping they should not be grumping
Perfect	V-ing perfect
I should not have grumped you should not have grumped he should not have grumped we should not have grumped you should not have grumped they should not have grumped	I should not have been grumping you should not have been grumping he should not have been grumping we should not have been grumping you should not have been grumping they should not have been grumping

Interrogative form

Simple form	V-ing form
should I grump? should you grump? should he grump? should we grump? should you grump? should they grump?	should I be grumping? should you be grumping? should he be grumping? should we be grumping? should you be grumping? should they be grumping?
Perfect	V-ing perfect
should I have grumped? should you have grumped? should he have grumped? should we have grumped? should you have grumped? should they have grumped?	should I have been grumping? should you have been grumping? should he have been grumping? should we have been grumping? should you have been grumping? should they have been grumping?

Interro-negative form

Simple form	V-ing form
should I not grump? should you not grump? should he not grump? should we not grump? should you not grump? should they not grump?	should I not be grumping? should you not be grumping? should he not be grumping? should we not be grumping? should you not be grumping? should they not be grumping?
Perfect	V-ing perfect
should I not have grumped? should you not have grumped? should he not have grumped? should we not have grumped? should you not have grumped? should they not have grumped?	should I not have been grumping? should you not have been grumping? should he not have been grumping? should we not have been grumping? should you not have been grumping? should they not have been grumping?