I can scrouge you can scrouge she can scrouge we can scrouge you can scrouge they can scrouge
V-ing form
I can be scrouging you can be scrouging she can be scrouging we can be scrouging you can be scrouging they can be scrouging
Perfect
I can have scrouged you can have scrouged she 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 she 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 she cannot scrouge we cannot scrouge you cannot scrouge they cannot scrouge
V-ing form
I cannot be scrouging you cannot be scrouging she cannot be scrouging we cannot be scrouging you cannot be scrouging they cannot be scrouging
Perfect
I cannot have scrouged you cannot have scrouged she 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 she 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 she scrouge? can we scrouge? can you scrouge? can they scrouge?
V-ing form
can I be scrouging? can you be scrouging? can she be scrouging? can we be scrouging? can you be scrouging? can they be scrouging?
Perfect
can I have scrouged? can you have scrouged? can she 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 she 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 she 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 she 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 she 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 she not have been scrouging? can we not have been scrouging? can you not have been scrouging? can they not have been scrouging?