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