I could euthanatize you could euthanatize he could euthanatize we could euthanatize you could euthanatize they could euthanatize
V-ing form
I could be euthanatizing you could be euthanatizing he could be euthanatizing we could be euthanatizing you could be euthanatizing they could be euthanatizing
Perfect
I could have euthanatized you could have euthanatized he could have euthanatized we could have euthanatized you could have euthanatized they could have euthanatized
V-ing perfect
I could have been euthanatizing you could have been euthanatizing he could have been euthanatizing we could have been euthanatizing you could have been euthanatizing they could have been euthanatizing
Negation
Simple form
I could not euthanatize you could not euthanatize he could not euthanatize we could not euthanatize you could not euthanatize they could not euthanatize
V-ing form
I could not be euthanatizing you could not be euthanatizing he could not be euthanatizing we could not be euthanatizing you could not be euthanatizing they could not be euthanatizing
Perfect
I could not have euthanatized you could not have euthanatized he could not have euthanatized we could not have euthanatized you could not have euthanatized they could not have euthanatized
V-ing perfect
I could not have been euthanatizing you could not have been euthanatizing he could not have been euthanatizing we could not have been euthanatizing you could not have been euthanatizing they could not have been euthanatizing
Interrogative form
Simple form
could I euthanatize? could you euthanatize? could he euthanatize? could we euthanatize? could you euthanatize? could they euthanatize?
V-ing form
could I be euthanatizing? could you be euthanatizing? could he be euthanatizing? could we be euthanatizing? could you be euthanatizing? could they be euthanatizing?
Perfect
could I have euthanatized? could you have euthanatized? could he have euthanatized? could we have euthanatized? could you have euthanatized? could they have euthanatized?
V-ing perfect
could I have been euthanatizing? could you have been euthanatizing? could he have been euthanatizing? could we have been euthanatizing? could you have been euthanatizing? could they have been euthanatizing?
Interro-negative form
Simple form
could I not euthanatize? could you not euthanatize? could he not euthanatize? could we not euthanatize? could you not euthanatize? could they not euthanatize?
V-ing form
could I not be euthanatizing? could you not be euthanatizing? could he not be euthanatizing? could we not be euthanatizing? could you not be euthanatizing? could they not be euthanatizing?
Perfect
could I not have euthanatized? could you not have euthanatized? could he not have euthanatized? could we not have euthanatized? could you not have euthanatized? could they not have euthanatized?
V-ing perfect
could I not have been euthanatizing? could you not have been euthanatizing? could he not have been euthanatizing? could we not have been euthanatizing? could you not have been euthanatizing? could they not have been euthanatizing?