I can meow you can meow he can meow we can meow you can meow they can meow
V-ing form
I can be meowing you can be meowing he can be meowing we can be meowing you can be meowing they can be meowing
Perfect
I can have meowed you can have meowed he can have meowed we can have meowed you can have meowed they can have meowed
V-ing perfect
I can have been meowing you can have been meowing he can have been meowing we can have been meowing you can have been meowing they can have been meowing
Negation
Simple form
I can't meow you can't meow he can't meow we can't meow you can't meow they can't meow
V-ing form
I can't be meowing you can't be meowing he can't be meowing we can't be meowing you can't be meowing they can't be meowing
Perfect
I can't have meowed you can't have meowed he can't have meowed we can't have meowed you can't have meowed they can't have meowed
V-ing perfect
I can't have been meowing you can't have been meowing he can't have been meowing we can't have been meowing you can't have been meowing they can't have been meowing
Interrogative form
Simple form
can I meow? can you meow? can he meow? can we meow? can you meow? can they meow?
V-ing form
can I be meowing? can you be meowing? can he be meowing? can we be meowing? can you be meowing? can they be meowing?
Perfect
can I have meowed? can you have meowed? can he have meowed? can we have meowed? can you have meowed? can they have meowed?
V-ing perfect
can I have been meowing? can you have been meowing? can he have been meowing? can we have been meowing? can you have been meowing? can they have been meowing?
Interro-negative form
Simple form
can't I meow? can't you meow? can't he meow? can't we meow? can't you meow? can't they meow?
V-ing form
can't I be meowing? can't you be meowing? can't he be meowing? can't we be meowing? can't you be meowing? can't they be meowing?
Perfect
can't I have meowed? can't you have meowed? can't he have meowed? can't we have meowed? can't you have meowed? can't they have meowed?
V-ing perfect
can't I have been meowing? can't you have been meowing? can't he have been meowing? can't we have been meowing? can't you have been meowing? can't they have been meowing?