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