I can whistle-stop you can whistle-stop she can whistle-stop we can whistle-stop you can whistle-stop they can whistle-stop
V-ing form
I can be whistle-stoping you can be whistle-stoping she can be whistle-stoping we can be whistle-stoping you can be whistle-stoping they can be whistle-stoping
Perfect
I can have whistle-stoped you can have whistle-stoped she can have whistle-stoped we can have whistle-stoped you can have whistle-stoped they can have whistle-stoped
V-ing perfect
I can have been whistle-stoping you can have been whistle-stoping she can have been whistle-stoping we can have been whistle-stoping you can have been whistle-stoping they can have been whistle-stoping
Negation
Simple form
I cannot whistle-stop you cannot whistle-stop she cannot whistle-stop we cannot whistle-stop you cannot whistle-stop they cannot whistle-stop
V-ing form
I cannot be whistle-stoping you cannot be whistle-stoping she cannot be whistle-stoping we cannot be whistle-stoping you cannot be whistle-stoping they cannot be whistle-stoping
Perfect
I cannot have whistle-stoped you cannot have whistle-stoped she cannot have whistle-stoped we cannot have whistle-stoped you cannot have whistle-stoped they cannot have whistle-stoped
V-ing perfect
I cannot have been whistle-stoping you cannot have been whistle-stoping she cannot have been whistle-stoping we cannot have been whistle-stoping you cannot have been whistle-stoping they cannot have been whistle-stoping
Interrogative form
Simple form
can I whistle-stop? can you whistle-stop? can she whistle-stop? can we whistle-stop? can you whistle-stop? can they whistle-stop?
V-ing form
can I be whistle-stoping? can you be whistle-stoping? can she be whistle-stoping? can we be whistle-stoping? can you be whistle-stoping? can they be whistle-stoping?
Perfect
can I have whistle-stoped? can you have whistle-stoped? can she have whistle-stoped? can we have whistle-stoped? can you have whistle-stoped? can they have whistle-stoped?
V-ing perfect
can I have been whistle-stoping? can you have been whistle-stoping? can she have been whistle-stoping? can we have been whistle-stoping? can you have been whistle-stoping? can they have been whistle-stoping?
Interro-negative form
Simple form
can I not whistle-stop? can you not whistle-stop? can she not whistle-stop? can we not whistle-stop? can you not whistle-stop? can they not whistle-stop?
V-ing form
can I not be whistle-stoping? can you not be whistle-stoping? can she not be whistle-stoping? can we not be whistle-stoping? can you not be whistle-stoping? can they not be whistle-stoping?
Perfect
can I not have whistle-stoped? can you not have whistle-stoped? can she not have whistle-stoped? can we not have whistle-stoped? can you not have whistle-stoped? can they not have whistle-stoped?
V-ing perfect
can I not have been whistle-stoping? can you not have been whistle-stoping? can she not have been whistle-stoping? can we not have been whistle-stoping? can you not have been whistle-stoping? can they not have been whistle-stoping?