I can amuse you can amuse she can amuse we can amuse you can amuse they can amuse
V-ing form
I can be amusing you can be amusing she can be amusing we can be amusing you can be amusing they can be amusing
Perfect
I can have amused you can have amused she can have amused we can have amused you can have amused they can have amused
V-ing perfect
I can have been amusing you can have been amusing she can have been amusing we can have been amusing you can have been amusing they can have been amusing
Negation
Simple form
I cannot amuse you cannot amuse she cannot amuse we cannot amuse you cannot amuse they cannot amuse
V-ing form
I cannot be amusing you cannot be amusing she cannot be amusing we cannot be amusing you cannot be amusing they cannot be amusing
Perfect
I cannot have amused you cannot have amused she cannot have amused we cannot have amused you cannot have amused they cannot have amused
V-ing perfect
I cannot have been amusing you cannot have been amusing she cannot have been amusing we cannot have been amusing you cannot have been amusing they cannot have been amusing
Interrogative form
Simple form
can I amuse? can you amuse? can she amuse? can we amuse? can you amuse? can they amuse?
V-ing form
can I be amusing? can you be amusing? can she be amusing? can we be amusing? can you be amusing? can they be amusing?
Perfect
can I have amused? can you have amused? can she have amused? can we have amused? can you have amused? can they have amused?
V-ing perfect
can I have been amusing? can you have been amusing? can she have been amusing? can we have been amusing? can you have been amusing? can they have been amusing?
Interro-negative form
Simple form
can I not amuse? can you not amuse? can she not amuse? can we not amuse? can you not amuse? can they not amuse?
V-ing form
can I not be amusing? can you not be amusing? can she not be amusing? can we not be amusing? can you not be amusing? can they not be amusing?
Perfect
can I not have amused? can you not have amused? can she not have amused? can we not have amused? can you not have amused? can they not have amused?
V-ing perfect
can I not have been amusing? can you not have been amusing? can she not have been amusing? can we not have been amusing? can you not have been amusing? can they not have been amusing?