English verb conjugation
SHOULD PREPLAN

Regular verb: preplan - preplaned - preplaned

Affirmation

Simple form	V-ing form
I should preplan you should preplan she should preplan we should preplan you should preplan they should preplan	I should be preplaning you should be preplaning she should be preplaning we should be preplaning you should be preplaning they should be preplaning
Perfect	V-ing perfect
I should have preplaned you should have preplaned she should have preplaned we should have preplaned you should have preplaned they should have preplaned	I should have been preplaning you should have been preplaning she should have been preplaning we should have been preplaning you should have been preplaning they should have been preplaning

Negation

Simple form	V-ing form
I should not preplan you should not preplan she should not preplan we should not preplan you should not preplan they should not preplan	I should not be preplaning you should not be preplaning she should not be preplaning we should not be preplaning you should not be preplaning they should not be preplaning
Perfect	V-ing perfect
I should not have preplaned you should not have preplaned she should not have preplaned we should not have preplaned you should not have preplaned they should not have preplaned	I should not have been preplaning you should not have been preplaning she should not have been preplaning we should not have been preplaning you should not have been preplaning they should not have been preplaning

Interrogative form

Simple form	V-ing form
should I preplan? should you preplan? should she preplan? should we preplan? should you preplan? should they preplan?	should I be preplaning? should you be preplaning? should she be preplaning? should we be preplaning? should you be preplaning? should they be preplaning?
Perfect	V-ing perfect
should I have preplaned? should you have preplaned? should she have preplaned? should we have preplaned? should you have preplaned? should they have preplaned?	should I have been preplaning? should you have been preplaning? should she have been preplaning? should we have been preplaning? should you have been preplaning? should they have been preplaning?

Interro-negative form

Simple form	V-ing form
should I not preplan? should you not preplan? should she not preplan? should we not preplan? should you not preplan? should they not preplan?	should I not be preplaning? should you not be preplaning? should she not be preplaning? should we not be preplaning? should you not be preplaning? should they not be preplaning?
Perfect	V-ing perfect
should I not have preplaned? should you not have preplaned? should she not have preplaned? should we not have preplaned? should you not have preplaned? should they not have preplaned?	should I not have been preplaning? should you not have been preplaning? should she not have been preplaning? should we not have been preplaning? should you not have been preplaning? should they not have been preplaning?