I could detoxicate you could detoxicate she could detoxicate we could detoxicate you could detoxicate they could detoxicate
V-ing form
I could be detoxicating you could be detoxicating she could be detoxicating we could be detoxicating you could be detoxicating they could be detoxicating
Perfect
I could have detoxicated you could have detoxicated she could have detoxicated we could have detoxicated you could have detoxicated they could have detoxicated
V-ing perfect
I could have been detoxicating you could have been detoxicating she could have been detoxicating we could have been detoxicating you could have been detoxicating they could have been detoxicating
Negation
Simple form
I couldn't detoxicate you couldn't detoxicate she couldn't detoxicate we couldn't detoxicate you couldn't detoxicate they couldn't detoxicate
V-ing form
I couldn't be detoxicating you couldn't be detoxicating she couldn't be detoxicating we couldn't be detoxicating you couldn't be detoxicating they couldn't be detoxicating
Perfect
I couldn't have detoxicated you couldn't have detoxicated she couldn't have detoxicated we couldn't have detoxicated you couldn't have detoxicated they couldn't have detoxicated
V-ing perfect
I couldn't have been detoxicating you couldn't have been detoxicating she couldn't have been detoxicating we couldn't have been detoxicating you couldn't have been detoxicating they couldn't have been detoxicating
Interrogative form
Simple form
could I detoxicate? could you detoxicate? could she detoxicate? could we detoxicate? could you detoxicate? could they detoxicate?
V-ing form
could I be detoxicating? could you be detoxicating? could she be detoxicating? could we be detoxicating? could you be detoxicating? could they be detoxicating?
Perfect
could I have detoxicated? could you have detoxicated? could she have detoxicated? could we have detoxicated? could you have detoxicated? could they have detoxicated?
V-ing perfect
could I have been detoxicating? could you have been detoxicating? could she have been detoxicating? could we have been detoxicating? could you have been detoxicating? could they have been detoxicating?
Interro-negative form
Simple form
couldn't I detoxicate? couldn't you detoxicate? couldn't she detoxicate? couldn't we detoxicate? couldn't you detoxicate? couldn't they detoxicate?
V-ing form
couldn't I be detoxicating? couldn't you be detoxicating? couldn't she be detoxicating? couldn't we be detoxicating? couldn't you be detoxicating? couldn't they be detoxicating?
Perfect
couldn't I have detoxicated? couldn't you have detoxicated? couldn't she have detoxicated? couldn't we have detoxicated? couldn't you have detoxicated? couldn't they have detoxicated?
V-ing perfect
couldn't I have been detoxicating? couldn't you have been detoxicating? couldn't she have been detoxicating? couldn't we have been detoxicating? couldn't you have been detoxicating? couldn't they have been detoxicating?