I could catcall you could catcall she could catcall we could catcall you could catcall they could catcall
V-ing form
I could be catcalling you could be catcalling she could be catcalling we could be catcalling you could be catcalling they could be catcalling
Perfect
I could have catcalled you could have catcalled she could have catcalled we could have catcalled you could have catcalled they could have catcalled
V-ing perfect
I could have been catcalling you could have been catcalling she could have been catcalling we could have been catcalling you could have been catcalling they could have been catcalling
Negation
Simple form
I could not catcall you could not catcall she could not catcall we could not catcall you could not catcall they could not catcall
V-ing form
I could not be catcalling you could not be catcalling she could not be catcalling we could not be catcalling you could not be catcalling they could not be catcalling
Perfect
I could not have catcalled you could not have catcalled she could not have catcalled we could not have catcalled you could not have catcalled they could not have catcalled
V-ing perfect
I could not have been catcalling you could not have been catcalling she could not have been catcalling we could not have been catcalling you could not have been catcalling they could not have been catcalling
Interrogative form
Simple form
could I catcall? could you catcall? could she catcall? could we catcall? could you catcall? could they catcall?
V-ing form
could I be catcalling? could you be catcalling? could she be catcalling? could we be catcalling? could you be catcalling? could they be catcalling?
Perfect
could I have catcalled? could you have catcalled? could she have catcalled? could we have catcalled? could you have catcalled? could they have catcalled?
V-ing perfect
could I have been catcalling? could you have been catcalling? could she have been catcalling? could we have been catcalling? could you have been catcalling? could they have been catcalling?
Interro-negative form
Simple form
could I not catcall? could you not catcall? could she not catcall? could we not catcall? could you not catcall? could they not catcall?
V-ing form
could I not be catcalling? could you not be catcalling? could she not be catcalling? could we not be catcalling? could you not be catcalling? could they not be catcalling?
Perfect
could I not have catcalled? could you not have catcalled? could she not have catcalled? could we not have catcalled? could you not have catcalled? could they not have catcalled?
V-ing perfect
could I not have been catcalling? could you not have been catcalling? could she not have been catcalling? could we not have been catcalling? could you not have been catcalling? could they not have been catcalling?