English verb conjugation
SHOULD FURROW

Regular verb: furrow - furrowed - furrowed

Affirmation

Simple form	V-ing form
I should furrow you should furrow he should furrow we should furrow you should furrow they should furrow	I should be furrowing you should be furrowing he should be furrowing we should be furrowing you should be furrowing they should be furrowing
Perfect	V-ing perfect
I should have furrowed you should have furrowed he should have furrowed we should have furrowed you should have furrowed they should have furrowed	I should have been furrowing you should have been furrowing he should have been furrowing we should have been furrowing you should have been furrowing they should have been furrowing

Negation

Simple form	V-ing form
I should not furrow you should not furrow he should not furrow we should not furrow you should not furrow they should not furrow	I should not be furrowing you should not be furrowing he should not be furrowing we should not be furrowing you should not be furrowing they should not be furrowing
Perfect	V-ing perfect
I should not have furrowed you should not have furrowed he should not have furrowed we should not have furrowed you should not have furrowed they should not have furrowed	I should not have been furrowing you should not have been furrowing he should not have been furrowing we should not have been furrowing you should not have been furrowing they should not have been furrowing

Interrogative form

Simple form	V-ing form
should I furrow? should you furrow? should he furrow? should we furrow? should you furrow? should they furrow?	should I be furrowing? should you be furrowing? should he be furrowing? should we be furrowing? should you be furrowing? should they be furrowing?
Perfect	V-ing perfect
should I have furrowed? should you have furrowed? should he have furrowed? should we have furrowed? should you have furrowed? should they have furrowed?	should I have been furrowing? should you have been furrowing? should he have been furrowing? should we have been furrowing? should you have been furrowing? should they have been furrowing?

Interro-negative form

Simple form	V-ing form
should I not furrow? should you not furrow? should he not furrow? should we not furrow? should you not furrow? should they not furrow?	should I not be furrowing? should you not be furrowing? should he not be furrowing? should we not be furrowing? should you not be furrowing? should they not be furrowing?
Perfect	V-ing perfect
should I not have furrowed? should you not have furrowed? should he not have furrowed? should we not have furrowed? should you not have furrowed? should they not have furrowed?	should I not have been furrowing? should you not have been furrowing? should he not have been furrowing? should we not have been furrowing? should you not have been furrowing? should they not have been furrowing?