I can scrouge you can scrouge he can scrouge we can scrouge you can scrouge they can scrouge
V-ing form
I can be scrouging you can be scrouging he can be scrouging we can be scrouging you can be scrouging they can be scrouging
Perfect
I can have scrouged you can have scrouged he can have scrouged we can have scrouged you can have scrouged they can have scrouged
V-ing perfect
I can have been scrouging you can have been scrouging he can have been scrouging we can have been scrouging you can have been scrouging they can have been scrouging
Negation
Simple form
I cannot scrouge you cannot scrouge he cannot scrouge we cannot scrouge you cannot scrouge they cannot scrouge
V-ing form
I cannot be scrouging you cannot be scrouging he cannot be scrouging we cannot be scrouging you cannot be scrouging they cannot be scrouging
Perfect
I cannot have scrouged you cannot have scrouged he cannot have scrouged we cannot have scrouged you cannot have scrouged they cannot have scrouged
V-ing perfect
I cannot have been scrouging you cannot have been scrouging he cannot have been scrouging we cannot have been scrouging you cannot have been scrouging they cannot have been scrouging
Interrogative form
Simple form
can I scrouge? can you scrouge? can he scrouge? can we scrouge? can you scrouge? can they scrouge?
V-ing form
can I be scrouging? can you be scrouging? can he be scrouging? can we be scrouging? can you be scrouging? can they be scrouging?
Perfect
can I have scrouged? can you have scrouged? can he have scrouged? can we have scrouged? can you have scrouged? can they have scrouged?
V-ing perfect
can I have been scrouging? can you have been scrouging? can he have been scrouging? can we have been scrouging? can you have been scrouging? can they have been scrouging?
Interro-negative form
Simple form
can I not scrouge? can you not scrouge? can he not scrouge? can we not scrouge? can you not scrouge? can they not scrouge?
V-ing form
can I not be scrouging? can you not be scrouging? can he not be scrouging? can we not be scrouging? can you not be scrouging? can they not be scrouging?
Perfect
can I not have scrouged? can you not have scrouged? can he not have scrouged? can we not have scrouged? can you not have scrouged? can they not have scrouged?
V-ing perfect
can I not have been scrouging? can you not have been scrouging? can he not have been scrouging? can we not have been scrouging? can you not have been scrouging? can they not have been scrouging?