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