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 can't amuse you can't amuse she can't amuse we can't amuse you can't amuse they can't amuse
V-ing form
I can't be amusing you can't be amusing she can't be amusing we can't be amusing you can't be amusing they can't be amusing
Perfect
I can't have amused you can't have amused she can't have amused we can't have amused you can't have amused they can't have amused
V-ing perfect
I can't have been amusing you can't have been amusing she can't have been amusing we can't have been amusing you can't have been amusing they can't 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't I amuse? can't you amuse? can't she amuse? can't we amuse? can't you amuse? can't they amuse?
V-ing form
can't I be amusing? can't you be amusing? can't she be amusing? can't we be amusing? can't you be amusing? can't they be amusing?
Perfect
can't I have amused? can't you have amused? can't she have amused? can't we have amused? can't you have amused? can't they have amused?
V-ing perfect
can't I have been amusing? can't you have been amusing? can't she have been amusing? can't we have been amusing? can't you have been amusing? can't they have been amusing?