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