English verb conjugation
SHOULD PREWASH

Regular verb: prewash - prewashed - prewashed

Affirmation

Simple form	V-ing form
I should prewash you should prewash she should prewash we should prewash you should prewash they should prewash	I should be prewashing you should be prewashing she should be prewashing we should be prewashing you should be prewashing they should be prewashing
Perfect	V-ing perfect
I should have prewashed you should have prewashed she should have prewashed we should have prewashed you should have prewashed they should have prewashed	I should have been prewashing you should have been prewashing she should have been prewashing we should have been prewashing you should have been prewashing they should have been prewashing

Negation

Simple form	V-ing form
I should not prewash you should not prewash she should not prewash we should not prewash you should not prewash they should not prewash	I should not be prewashing you should not be prewashing she should not be prewashing we should not be prewashing you should not be prewashing they should not be prewashing
Perfect	V-ing perfect
I should not have prewashed you should not have prewashed she should not have prewashed we should not have prewashed you should not have prewashed they should not have prewashed	I should not have been prewashing you should not have been prewashing she should not have been prewashing we should not have been prewashing you should not have been prewashing they should not have been prewashing

Interrogative form

Simple form	V-ing form
should I prewash? should you prewash? should she prewash? should we prewash? should you prewash? should they prewash?	should I be prewashing? should you be prewashing? should she be prewashing? should we be prewashing? should you be prewashing? should they be prewashing?
Perfect	V-ing perfect
should I have prewashed? should you have prewashed? should she have prewashed? should we have prewashed? should you have prewashed? should they have prewashed?	should I have been prewashing? should you have been prewashing? should she have been prewashing? should we have been prewashing? should you have been prewashing? should they have been prewashing?

Interro-negative form

Simple form	V-ing form
should I not prewash? should you not prewash? should she not prewash? should we not prewash? should you not prewash? should they not prewash?	should I not be prewashing? should you not be prewashing? should she not be prewashing? should we not be prewashing? should you not be prewashing? should they not be prewashing?
Perfect	V-ing perfect
should I not have prewashed? should you not have prewashed? should she not have prewashed? should we not have prewashed? should you not have prewashed? should they not have prewashed?	should I not have been prewashing? should you not have been prewashing? should she not have been prewashing? should we not have been prewashing? should you not have been prewashing? should they not have been prewashing?