Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could bleach decolorize you could bleach decolorize she could bleach decolorize we could bleach decolorize you could bleach decolorize they could bleach decolorize
V-ing form
I could be bleach decolorizing you could be bleach decolorizing she could be bleach decolorizing we could be bleach decolorizing you could be bleach decolorizing they could be bleach decolorizing
Perfect
I could have bleach decolorized you could have bleach decolorized she could have bleach decolorized we could have bleach decolorized you could have bleach decolorized they could have bleach decolorized
V-ing perfect
I could have been bleach decolorizing you could have been bleach decolorizing she could have been bleach decolorizing we could have been bleach decolorizing you could have been bleach decolorizing they could have been bleach decolorizing
Negation
Simple form
I couldn't bleach decolorize you couldn't bleach decolorize she couldn't bleach decolorize we couldn't bleach decolorize you couldn't bleach decolorize they couldn't bleach decolorize
V-ing form
I couldn't be bleach decolorizing you couldn't be bleach decolorizing she couldn't be bleach decolorizing we couldn't be bleach decolorizing you couldn't be bleach decolorizing they couldn't be bleach decolorizing
Perfect
I couldn't have bleach decolorized you couldn't have bleach decolorized she couldn't have bleach decolorized we couldn't have bleach decolorized you couldn't have bleach decolorized they couldn't have bleach decolorized
V-ing perfect
I couldn't have been bleach decolorizing you couldn't have been bleach decolorizing she couldn't have been bleach decolorizing we couldn't have been bleach decolorizing you couldn't have been bleach decolorizing they couldn't have been bleach decolorizing
Interrogative form
Simple form
could I bleach decolorize? could you bleach decolorize? could she bleach decolorize? could we bleach decolorize? could you bleach decolorize? could they bleach decolorize?
V-ing form
could I be bleach decolorizing? could you be bleach decolorizing? could she be bleach decolorizing? could we be bleach decolorizing? could you be bleach decolorizing? could they be bleach decolorizing?
Perfect
could I have bleach decolorized? could you have bleach decolorized? could she have bleach decolorized? could we have bleach decolorized? could you have bleach decolorized? could they have bleach decolorized?
V-ing perfect
could I have been bleach decolorizing? could you have been bleach decolorizing? could she have been bleach decolorizing? could we have been bleach decolorizing? could you have been bleach decolorizing? could they have been bleach decolorizing?
Interro-negative form
Simple form
couldn't I bleach decolorize? couldn't you bleach decolorize? couldn't she bleach decolorize? couldn't we bleach decolorize? couldn't you bleach decolorize? couldn't they bleach decolorize?
V-ing form
couldn't I be bleach decolorizing? couldn't you be bleach decolorizing? couldn't she be bleach decolorizing? couldn't we be bleach decolorizing? couldn't you be bleach decolorizing? couldn't they be bleach decolorizing?
Perfect
couldn't I have bleach decolorized? couldn't you have bleach decolorized? couldn't she have bleach decolorized? couldn't we have bleach decolorized? couldn't you have bleach decolorized? couldn't they have bleach decolorized?
V-ing perfect
couldn't I have been bleach decolorizing? couldn't you have been bleach decolorizing? couldn't she have been bleach decolorizing? couldn't we have been bleach decolorizing? couldn't you have been bleach decolorizing? couldn't they have been bleach decolorizing?