I could hypnotize you could hypnotize he could hypnotize we could hypnotize you could hypnotize they could hypnotize
V-ing form
I could be hypnotizing you could be hypnotizing he could be hypnotizing we could be hypnotizing you could be hypnotizing they could be hypnotizing
Perfect
I could have hypnotized you could have hypnotized he could have hypnotized we could have hypnotized you could have hypnotized they could have hypnotized
V-ing perfect
I could have been hypnotizing you could have been hypnotizing he could have been hypnotizing we could have been hypnotizing you could have been hypnotizing they could have been hypnotizing
Negation
Simple form
I couldn't hypnotize you couldn't hypnotize he couldn't hypnotize we couldn't hypnotize you couldn't hypnotize they couldn't hypnotize
V-ing form
I couldn't be hypnotizing you couldn't be hypnotizing he couldn't be hypnotizing we couldn't be hypnotizing you couldn't be hypnotizing they couldn't be hypnotizing
Perfect
I couldn't have hypnotized you couldn't have hypnotized he couldn't have hypnotized we couldn't have hypnotized you couldn't have hypnotized they couldn't have hypnotized
V-ing perfect
I couldn't have been hypnotizing you couldn't have been hypnotizing he couldn't have been hypnotizing we couldn't have been hypnotizing you couldn't have been hypnotizing they couldn't have been hypnotizing
Interrogative form
Simple form
could I hypnotize? could you hypnotize? could he hypnotize? could we hypnotize? could you hypnotize? could they hypnotize?
V-ing form
could I be hypnotizing? could you be hypnotizing? could he be hypnotizing? could we be hypnotizing? could you be hypnotizing? could they be hypnotizing?
Perfect
could I have hypnotized? could you have hypnotized? could he have hypnotized? could we have hypnotized? could you have hypnotized? could they have hypnotized?
V-ing perfect
could I have been hypnotizing? could you have been hypnotizing? could he have been hypnotizing? could we have been hypnotizing? could you have been hypnotizing? could they have been hypnotizing?
Interro-negative form
Simple form
couldn't I hypnotize? couldn't you hypnotize? couldn't he hypnotize? couldn't we hypnotize? couldn't you hypnotize? couldn't they hypnotize?
V-ing form
couldn't I be hypnotizing? couldn't you be hypnotizing? couldn't he be hypnotizing? couldn't we be hypnotizing? couldn't you be hypnotizing? couldn't they be hypnotizing?
Perfect
couldn't I have hypnotized? couldn't you have hypnotized? couldn't he have hypnotized? couldn't we have hypnotized? couldn't you have hypnotized? couldn't they have hypnotized?
V-ing perfect
couldn't I have been hypnotizing? couldn't you have been hypnotizing? couldn't he have been hypnotizing? couldn't we have been hypnotizing? couldn't you have been hypnotizing? couldn't they have been hypnotizing?