could bulwark
Regular verb: bulwark - bulwarked- bulwarked

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

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

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

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