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