I can presurround you can presurround he can presurround we can presurround you can presurround they can presurround
V-ing form
I can be presurrounding you can be presurrounding he can be presurrounding we can be presurrounding you can be presurrounding they can be presurrounding
Perfect
I can have presurrounded you can have presurrounded he can have presurrounded we can have presurrounded you can have presurrounded they can have presurrounded
V-ing perfect
I can have been presurrounding you can have been presurrounding he can have been presurrounding we can have been presurrounding you can have been presurrounding they can have been presurrounding
Negation
Simple form
I can't presurround you can't presurround he can't presurround we can't presurround you can't presurround they can't presurround
V-ing form
I can't be presurrounding you can't be presurrounding he can't be presurrounding we can't be presurrounding you can't be presurrounding they can't be presurrounding
Perfect
I can't have presurrounded you can't have presurrounded he can't have presurrounded we can't have presurrounded you can't have presurrounded they can't have presurrounded
V-ing perfect
I can't have been presurrounding you can't have been presurrounding he can't have been presurrounding we can't have been presurrounding you can't have been presurrounding they can't have been presurrounding
Interrogative form
Simple form
can I presurround? can you presurround? can he presurround? can we presurround? can you presurround? can they presurround?
V-ing form
can I be presurrounding? can you be presurrounding? can he be presurrounding? can we be presurrounding? can you be presurrounding? can they be presurrounding?
Perfect
can I have presurrounded? can you have presurrounded? can he have presurrounded? can we have presurrounded? can you have presurrounded? can they have presurrounded?
V-ing perfect
can I have been presurrounding? can you have been presurrounding? can he have been presurrounding? can we have been presurrounding? can you have been presurrounding? can they have been presurrounding?
Interro-negative form
Simple form
can't I presurround? can't you presurround? can't he presurround? can't we presurround? can't you presurround? can't they presurround?
V-ing form
can't I be presurrounding? can't you be presurrounding? can't he be presurrounding? can't we be presurrounding? can't you be presurrounding? can't they be presurrounding?
Perfect
can't I have presurrounded? can't you have presurrounded? can't he have presurrounded? can't we have presurrounded? can't you have presurrounded? can't they have presurrounded?
V-ing perfect
can't I have been presurrounding? can't you have been presurrounding? can't he have been presurrounding? can't we have been presurrounding? can't you have been presurrounding? can't they have been presurrounding?