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 cannot surround
you cannot surround
she cannot surround
we cannot surround
you cannot surround
they cannot surround 	I cannot be surrounding
you cannot be surrounding
she cannot be surrounding
we cannot be surrounding
you cannot be surrounding
they cannot be surrounding	I cannot have surrounded
you cannot have surrounded
she cannot have surrounded
we cannot have surrounded
you cannot have surrounded
they cannot have surrounded	I cannot have been surrounding
you cannot have been surrounding
she cannot have been surrounding
we cannot have been surrounding
you cannot have been surrounding
they cannot 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 I not surround?
can you not surround?
can she not surround?
can we not surround?
can you not surround?
can they not surround? 	can I not be surrounding?
can you not be surrounding?
can she not be surrounding?
can we not be surrounding?
can you not be surrounding?
can they not be surrounding? 	can I not have surrounded?
can you not have surrounded?
can she not have surrounded?
can we not have surrounded?
can you not have surrounded?
can they not have surrounded? 	can I not have been surrounding?
can you not have been surrounding?
can she not have been surrounding?
can we not have been surrounding?
can you not have been surrounding?
can they not have been surrounding?