I could fustigate you could fustigate he could fustigate we could fustigate you could fustigate they could fustigate
V-ing form
I could be fustigating you could be fustigating he could be fustigating we could be fustigating you could be fustigating they could be fustigating
Perfect
I could have fustigated you could have fustigated he could have fustigated we could have fustigated you could have fustigated they could have fustigated
V-ing perfect
I could have been fustigating you could have been fustigating he could have been fustigating we could have been fustigating you could have been fustigating they could have been fustigating
Negation
Simple form
I could not fustigate you could not fustigate he could not fustigate we could not fustigate you could not fustigate they could not fustigate
V-ing form
I could not be fustigating you could not be fustigating he could not be fustigating we could not be fustigating you could not be fustigating they could not be fustigating
Perfect
I could not have fustigated you could not have fustigated he could not have fustigated we could not have fustigated you could not have fustigated they could not have fustigated
V-ing perfect
I could not have been fustigating you could not have been fustigating he could not have been fustigating we could not have been fustigating you could not have been fustigating they could not have been fustigating
Interrogative form
Simple form
could I fustigate? could you fustigate? could he fustigate? could we fustigate? could you fustigate? could they fustigate?
V-ing form
could I be fustigating? could you be fustigating? could he be fustigating? could we be fustigating? could you be fustigating? could they be fustigating?
Perfect
could I have fustigated? could you have fustigated? could he have fustigated? could we have fustigated? could you have fustigated? could they have fustigated?
V-ing perfect
could I have been fustigating? could you have been fustigating? could he have been fustigating? could we have been fustigating? could you have been fustigating? could they have been fustigating?
Interro-negative form
Simple form
could I not fustigate? could you not fustigate? could he not fustigate? could we not fustigate? could you not fustigate? could they not fustigate?
V-ing form
could I not be fustigating? could you not be fustigating? could he not be fustigating? could we not be fustigating? could you not be fustigating? could they not be fustigating?
Perfect
could I not have fustigated? could you not have fustigated? could he not have fustigated? could we not have fustigated? could you not have fustigated? could they not have fustigated?
V-ing perfect
could I not have been fustigating? could you not have been fustigating? could he not have been fustigating? could we not have been fustigating? could you not have been fustigating? could they not have been fustigating?