can bulwark
Regular verb: bulwark - bulwarked- bulwarked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can bulwark
you can bulwark
she can bulwark
we can bulwark
you can bulwark
they can bulwark 	I can be bulwarking
you can be bulwarking
she can be bulwarking
we can be bulwarking
you can be bulwarking
they can be bulwarking	I can have bulwarked
you can have bulwarked
she can have bulwarked
we can have bulwarked
you can have bulwarked
they can have bulwarked	I can have been bulwarking
you can have been bulwarking
she can have been bulwarking
we can have been bulwarking
you can have been bulwarking
they can have been bulwarking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't bulwark
you can't bulwark
she can't bulwark
we can't bulwark
you can't bulwark
they can't bulwark 	I can't be bulwarking
you can't be bulwarking
she can't be bulwarking
we can't be bulwarking
you can't be bulwarking
they can't be bulwarking	I can't have bulwarked
you can't have bulwarked
she can't have bulwarked
we can't have bulwarked
you can't have bulwarked
they can't have bulwarked	I can't have been bulwarking
you can't have been bulwarking
she can't have been bulwarking
we can't have been bulwarking
you can't have been bulwarking
they can't have been bulwarking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I bulwark?
can you bulwark?
can she bulwark?
can we bulwark?
can you bulwark?
can they bulwark? 	can I be bulwarking?
can you be bulwarking?
can she be bulwarking?
can we be bulwarking?
can you be bulwarking?
can they be bulwarking? 	can I have bulwarked?
can you have bulwarked?
can she have bulwarked?
can we have bulwarked?
can you have bulwarked?
can they have bulwarked? 	can I have been bulwarking?
can you have been bulwarking?
can she have been bulwarking?
can we have been bulwarking?
can you have been bulwarking?
can they have been bulwarking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I bulwark?
can't you bulwark?
can't she bulwark?
can't we bulwark?
can't you bulwark?
can't they bulwark? 	can't I be bulwarking?
can't you be bulwarking?
can't she be bulwarking?
can't we be bulwarking?
can't you be bulwarking?
can't they be bulwarking? 	can't I have bulwarked?
can't you have bulwarked?
can't she have bulwarked?
can't we have bulwarked?
can't you have bulwarked?
can't they have bulwarked? 	can't I have been bulwarking?
can't you have been bulwarking?
can't she have been bulwarking?
can't we have been bulwarking?
can't you have been bulwarking?
can't they have been bulwarking?