English verb conjugation
SHOULD CREASE

Regular verb: crease - creased - creased

Affirmation

Simple form	V-ing form
I should crease you should crease he should crease we should crease you should crease they should crease	I should be creasing you should be creasing he should be creasing we should be creasing you should be creasing they should be creasing
Perfect	V-ing perfect
I should have creased you should have creased he should have creased we should have creased you should have creased they should have creased	I should have been creasing you should have been creasing he should have been creasing we should have been creasing you should have been creasing they should have been creasing

Negation

Simple form	V-ing form
I should not crease you should not crease he should not crease we should not crease you should not crease they should not crease	I should not be creasing you should not be creasing he should not be creasing we should not be creasing you should not be creasing they should not be creasing
Perfect	V-ing perfect
I should not have creased you should not have creased he should not have creased we should not have creased you should not have creased they should not have creased	I should not have been creasing you should not have been creasing he should not have been creasing we should not have been creasing you should not have been creasing they should not have been creasing

Interrogative form

Simple form	V-ing form
should I crease? should you crease? should he crease? should we crease? should you crease? should they crease?	should I be creasing? should you be creasing? should he be creasing? should we be creasing? should you be creasing? should they be creasing?
Perfect	V-ing perfect
should I have creased? should you have creased? should he have creased? should we have creased? should you have creased? should they have creased?	should I have been creasing? should you have been creasing? should he have been creasing? should we have been creasing? should you have been creasing? should they have been creasing?

Interro-negative form

Simple form	V-ing form
should I not crease? should you not crease? should he not crease? should we not crease? should you not crease? should they not crease?	should I not be creasing? should you not be creasing? should he not be creasing? should we not be creasing? should you not be creasing? should they not be creasing?
Perfect	V-ing perfect
should I not have creased? should you not have creased? should he not have creased? should we not have creased? should you not have creased? should they not have creased?	should I not have been creasing? should you not have been creasing? should he not have been creasing? should we not have been creasing? should you not have been creasing? should they not have been creasing?