can surround
Regular verb: surround - surrounded- surrounded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can surround
you can surround
she can surround
we can surround
you can surround
they can surround 	I can be surrounding
you can be surrounding
she can be surrounding
we can be surrounding
you can be surrounding
they can be surrounding	I can have surrounded
you can have surrounded
she can have surrounded
we can have surrounded
you can have surrounded
they can have surrounded	I can have been surrounding
you can have been surrounding
she can have been surrounding
we can have been surrounding
you can have been surrounding
they can have been surrounding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't surround
you can't surround
she can't surround
we can't surround
you can't surround
they can't surround 	I can't be surrounding
you can't be surrounding
she can't be surrounding
we can't be surrounding
you can't be surrounding
they can't be surrounding	I can't have surrounded
you can't have surrounded
she can't have surrounded
we can't have surrounded
you can't have surrounded
they can't have surrounded	I can't have been surrounding
you can't have been surrounding
she can't have been surrounding
we can't have been surrounding
you can't have been surrounding
they can't have been surrounding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I surround?
can you surround?
can she surround?
can we surround?
can you surround?
can they surround? 	can I be surrounding?
can you be surrounding?
can she be surrounding?
can we be surrounding?
can you be surrounding?
can they be surrounding? 	can I have surrounded?
can you have surrounded?
can she have surrounded?
can we have surrounded?
can you have surrounded?
can they have surrounded? 	can I have been surrounding?
can you have been surrounding?
can she have been surrounding?
can we have been surrounding?
can you have been surrounding?
can they have been surrounding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I surround?
can't you surround?
can't she surround?
can't we surround?
can't you surround?
can't they surround? 	can't I be surrounding?
can't you be surrounding?
can't she be surrounding?
can't we be surrounding?
can't you be surrounding?
can't they be surrounding? 	can't I have surrounded?
can't you have surrounded?
can't she have surrounded?
can't we have surrounded?
can't you have surrounded?
can't they have surrounded? 	can't I have been surrounding?
can't you have been surrounding?
can't she have been surrounding?
can't we have been surrounding?
can't you have been surrounding?
can't they have been surrounding?