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