I can assail you can assail she can assail we can assail you can assail they can assail
V-ing form
I can be assailing you can be assailing she can be assailing we can be assailing you can be assailing they can be assailing
Perfect
I can have assailed you can have assailed she can have assailed we can have assailed you can have assailed they can have assailed
V-ing perfect
I can have been assailing you can have been assailing she can have been assailing we can have been assailing you can have been assailing they can have been assailing
Negation
Simple form
I can't assail you can't assail she can't assail we can't assail you can't assail they can't assail
V-ing form
I can't be assailing you can't be assailing she can't be assailing we can't be assailing you can't be assailing they can't be assailing
Perfect
I can't have assailed you can't have assailed she can't have assailed we can't have assailed you can't have assailed they can't have assailed
V-ing perfect
I can't have been assailing you can't have been assailing she can't have been assailing we can't have been assailing you can't have been assailing they can't have been assailing
Interrogative form
Simple form
can I assail? can you assail? can she assail? can we assail? can you assail? can they assail?
V-ing form
can I be assailing? can you be assailing? can she be assailing? can we be assailing? can you be assailing? can they be assailing?
Perfect
can I have assailed? can you have assailed? can she have assailed? can we have assailed? can you have assailed? can they have assailed?
V-ing perfect
can I have been assailing? can you have been assailing? can she have been assailing? can we have been assailing? can you have been assailing? can they have been assailing?
Interro-negative form
Simple form
can't I assail? can't you assail? can't she assail? can't we assail? can't you assail? can't they assail?
V-ing form
can't I be assailing? can't you be assailing? can't she be assailing? can't we be assailing? can't you be assailing? can't they be assailing?
Perfect
can't I have assailed? can't you have assailed? can't she have assailed? can't we have assailed? can't you have assailed? can't they have assailed?
V-ing perfect
can't I have been assailing? can't you have been assailing? can't she have been assailing? can't we have been assailing? can't you have been assailing? can't they have been assailing?