English verb conjugation
SHOULD FORM

Regular verb: form - formed - formed

Affirmation

Simple form	V-ing form
I should form you should form he should form we should form you should form they should form	I should be forming you should be forming he should be forming we should be forming you should be forming they should be forming
Perfect	V-ing perfect
I should have formed you should have formed he should have formed we should have formed you should have formed they should have formed	I should have been forming you should have been forming he should have been forming we should have been forming you should have been forming they should have been forming

Negation

Simple form	V-ing form
I should not form you should not form he should not form we should not form you should not form they should not form	I should not be forming you should not be forming he should not be forming we should not be forming you should not be forming they should not be forming
Perfect	V-ing perfect
I should not have formed you should not have formed he should not have formed we should not have formed you should not have formed they should not have formed	I should not have been forming you should not have been forming he should not have been forming we should not have been forming you should not have been forming they should not have been forming

Interrogative form

Simple form	V-ing form
should I form? should you form? should he form? should we form? should you form? should they form?	should I be forming? should you be forming? should he be forming? should we be forming? should you be forming? should they be forming?
Perfect	V-ing perfect
should I have formed? should you have formed? should he have formed? should we have formed? should you have formed? should they have formed?	should I have been forming? should you have been forming? should he have been forming? should we have been forming? should you have been forming? should they have been forming?

Interro-negative form

Simple form	V-ing form
should I not form? should you not form? should he not form? should we not form? should you not form? should they not form?	should I not be forming? should you not be forming? should he not be forming? should we not be forming? should you not be forming? should they not be forming?
Perfect	V-ing perfect
should I not have formed? should you not have formed? should he not have formed? should we not have formed? should you not have formed? should they not have formed?	should I not have been forming? should you not have been forming? should he not have been forming? should we not have been forming? should you not have been forming? should they not have been forming?