I could affricate you could affricate he could affricate we could affricate you could affricate they could affricate
V-ing form
I could be affricating you could be affricating he could be affricating we could be affricating you could be affricating they could be affricating
Perfect
I could have affricated you could have affricated he could have affricated we could have affricated you could have affricated they could have affricated
V-ing perfect
I could have been affricating you could have been affricating he could have been affricating we could have been affricating you could have been affricating they could have been affricating
Negation
Simple form
I could not affricate you could not affricate he could not affricate we could not affricate you could not affricate they could not affricate
V-ing form
I could not be affricating you could not be affricating he could not be affricating we could not be affricating you could not be affricating they could not be affricating
Perfect
I could not have affricated you could not have affricated he could not have affricated we could not have affricated you could not have affricated they could not have affricated
V-ing perfect
I could not have been affricating you could not have been affricating he could not have been affricating we could not have been affricating you could not have been affricating they could not have been affricating
Interrogative form
Simple form
could I affricate? could you affricate? could he affricate? could we affricate? could you affricate? could they affricate?
V-ing form
could I be affricating? could you be affricating? could he be affricating? could we be affricating? could you be affricating? could they be affricating?
Perfect
could I have affricated? could you have affricated? could he have affricated? could we have affricated? could you have affricated? could they have affricated?
V-ing perfect
could I have been affricating? could you have been affricating? could he have been affricating? could we have been affricating? could you have been affricating? could they have been affricating?
Interro-negative form
Simple form
could I not affricate? could you not affricate? could he not affricate? could we not affricate? could you not affricate? could they not affricate?
V-ing form
could I not be affricating? could you not be affricating? could he not be affricating? could we not be affricating? could you not be affricating? could they not be affricating?
Perfect
could I not have affricated? could you not have affricated? could he not have affricated? could we not have affricated? could you not have affricated? could they not have affricated?
V-ing perfect
could I not have been affricating? could you not have been affricating? could he not have been affricating? could we not have been affricating? could you not have been affricating? could they not have been affricating?