English verb conjugation
CAN PREWASH

Regular verb: prewash - prewashed - prewashed

Affirmation

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

Negation

Simple form	V-ing form
I can't prewash you can't prewash she can't prewash we can't prewash you can't prewash they can't prewash	I can't be prewashing you can't be prewashing she can't be prewashing we can't be prewashing you can't be prewashing they can't be prewashing
Perfect	V-ing perfect
I can't have prewashed you can't have prewashed she can't have prewashed we can't have prewashed you can't have prewashed they can't have prewashed	I can't have been prewashing you can't have been prewashing she can't have been prewashing we can't have been prewashing you can't have been prewashing they can't have been prewashing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I prewash? can't you prewash? can't she prewash? can't we prewash? can't you prewash? can't they prewash?	can't I be prewashing? can't you be prewashing? can't she be prewashing? can't we be prewashing? can't you be prewashing? can't they be prewashing?
Perfect	V-ing perfect
can't I have prewashed? can't you have prewashed? can't she have prewashed? can't we have prewashed? can't you have prewashed? can't they have prewashed?	can't I have been prewashing? can't you have been prewashing? can't she have been prewashing? can't we have been prewashing? can't you have been prewashing? can't they have been prewashing?