I can oversleep you can oversleep he can oversleep we can oversleep you can oversleep they can oversleep
V-ing form
I can be oversleeping you can be oversleeping he can be oversleeping we can be oversleeping you can be oversleeping they can be oversleeping
Perfect
I can have overslept you can have overslept he can have overslept we can have overslept you can have overslept they can have overslept
V-ing perfect
I can have been oversleeping you can have been oversleeping he can have been oversleeping we can have been oversleeping you can have been oversleeping they can have been oversleeping
Negation
Simple form
I can't oversleep you can't oversleep he can't oversleep we can't oversleep you can't oversleep they can't oversleep
V-ing form
I can't be oversleeping you can't be oversleeping he can't be oversleeping we can't be oversleeping you can't be oversleeping they can't be oversleeping
Perfect
I can't have overslept you can't have overslept he can't have overslept we can't have overslept you can't have overslept they can't have overslept
V-ing perfect
I can't have been oversleeping you can't have been oversleeping he can't have been oversleeping we can't have been oversleeping you can't have been oversleeping they can't have been oversleeping
Interrogative form
Simple form
can I oversleep? can you oversleep? can he oversleep? can we oversleep? can you oversleep? can they oversleep?
V-ing form
can I be oversleeping? can you be oversleeping? can he be oversleeping? can we be oversleeping? can you be oversleeping? can they be oversleeping?
Perfect
can I have overslept? can you have overslept? can he have overslept? can we have overslept? can you have overslept? can they have overslept?
V-ing perfect
can I have been oversleeping? can you have been oversleeping? can he have been oversleeping? can we have been oversleeping? can you have been oversleeping? can they have been oversleeping?
Interro-negative form
Simple form
can't I oversleep? can't you oversleep? can't he oversleep? can't we oversleep? can't you oversleep? can't they oversleep?
V-ing form
can't I be oversleeping? can't you be oversleeping? can't he be oversleeping? can't we be oversleeping? can't you be oversleeping? can't they be oversleeping?
Perfect
can't I have overslept? can't you have overslept? can't he have overslept? can't we have overslept? can't you have overslept? can't they have overslept?
V-ing perfect
can't I have been oversleeping? can't you have been oversleeping? can't he have been oversleeping? can't we have been oversleeping? can't you have been oversleeping? can't they have been oversleeping?