Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can unwash you can unwash he can unwash we can unwash you can unwash they can unwash
V-ing form
I can be unwashing you can be unwashing he can be unwashing we can be unwashing you can be unwashing they can be unwashing
Perfect
I can have unwashed you can have unwashed he can have unwashed we can have unwashed you can have unwashed they can have unwashed
V-ing perfect
I can have been unwashing you can have been unwashing he can have been unwashing we can have been unwashing you can have been unwashing they can have been unwashing
Negation
Simple form
I can't unwash you can't unwash he can't unwash we can't unwash you can't unwash they can't unwash
V-ing form
I can't be unwashing you can't be unwashing he can't be unwashing we can't be unwashing you can't be unwashing they can't be unwashing
Perfect
I can't have unwashed you can't have unwashed he can't have unwashed we can't have unwashed you can't have unwashed they can't have unwashed
V-ing perfect
I can't have been unwashing you can't have been unwashing he can't have been unwashing we can't have been unwashing you can't have been unwashing they can't have been unwashing
Interrogative form
Simple form
can I unwash? can you unwash? can he unwash? can we unwash? can you unwash? can they unwash?
V-ing form
can I be unwashing? can you be unwashing? can he be unwashing? can we be unwashing? can you be unwashing? can they be unwashing?
Perfect
can I have unwashed? can you have unwashed? can he have unwashed? can we have unwashed? can you have unwashed? can they have unwashed?
V-ing perfect
can I have been unwashing? can you have been unwashing? can he have been unwashing? can we have been unwashing? can you have been unwashing? can they have been unwashing?
Interro-negative form
Simple form
can't I unwash? can't you unwash? can't he unwash? can't we unwash? can't you unwash? can't they unwash?
V-ing form
can't I be unwashing? can't you be unwashing? can't he be unwashing? can't we be unwashing? can't you be unwashing? can't they be unwashing?
Perfect
can't I have unwashed? can't you have unwashed? can't he have unwashed? can't we have unwashed? can't you have unwashed? can't they have unwashed?
V-ing perfect
can't I have been unwashing? can't you have been unwashing? can't he have been unwashing? can't we have been unwashing? can't you have been unwashing? can't they have been unwashing?