could broil
Regular verb: broil - broiled- broiled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could broil
you could broil
she could broil
we could broil
you could broil
they could broil 	I could be broiling
you could be broiling
she could be broiling
we could be broiling
you could be broiling
they could be broiling	I could have broiled
you could have broiled
she could have broiled
we could have broiled
you could have broiled
they could have broiled	I could have been broiling
you could have been broiling
she could have been broiling
we could have been broiling
you could have been broiling
they could have been broiling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't broil
you couldn't broil
she couldn't broil
we couldn't broil
you couldn't broil
they couldn't broil 	I couldn't be broiling
you couldn't be broiling
she couldn't be broiling
we couldn't be broiling
you couldn't be broiling
they couldn't be broiling	I couldn't have broiled
you couldn't have broiled
she couldn't have broiled
we couldn't have broiled
you couldn't have broiled
they couldn't have broiled	I couldn't have been broiling
you couldn't have been broiling
she couldn't have been broiling
we couldn't have been broiling
you couldn't have been broiling
they couldn't have been broiling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I broil?
could you broil?
could she broil?
could we broil?
could you broil?
could they broil? 	could I be broiling?
could you be broiling?
could she be broiling?
could we be broiling?
could you be broiling?
could they be broiling? 	could I have broiled?
could you have broiled?
could she have broiled?
could we have broiled?
could you have broiled?
could they have broiled? 	could I have been broiling?
could you have been broiling?
could she have been broiling?
could we have been broiling?
could you have been broiling?
could they have been broiling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I broil?
couldn't you broil?
couldn't she broil?
couldn't we broil?
couldn't you broil?
couldn't they broil? 	couldn't I be broiling?
couldn't you be broiling?
couldn't she be broiling?
couldn't we be broiling?
couldn't you be broiling?
couldn't they be broiling? 	couldn't I have broiled?
couldn't you have broiled?
couldn't she have broiled?
couldn't we have broiled?
couldn't you have broiled?
couldn't they have broiled? 	couldn't I have been broiling?
couldn't you have been broiling?
couldn't she have been broiling?
couldn't we have been broiling?
couldn't you have been broiling?
couldn't they have been broiling?