English verb conjugation
CAN PREWASH

Regular verb: prewash - prewashed - prewashed

Affirmation

Simple form	V-ing form
I can prewash you can prewash he can prewash we can prewash you can prewash they can prewash	I can be prewashing you can be prewashing he 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 he 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 he 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 cannot prewash you cannot prewash he cannot prewash we cannot prewash you cannot prewash they cannot prewash	I cannot be prewashing you cannot be prewashing he cannot be prewashing we cannot be prewashing you cannot be prewashing they cannot be prewashing
Perfect	V-ing perfect
I cannot have prewashed you cannot have prewashed he cannot have prewashed we cannot have prewashed you cannot have prewashed they cannot have prewashed	I cannot have been prewashing you cannot have been prewashing he cannot have been prewashing we cannot have been prewashing you cannot have been prewashing they cannot have been prewashing

Interrogative form

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