could lid
Regular verb: lid - lided- lided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lid
you could lid
she could lid
we could lid
you could lid
they could lid 	I could be liding
you could be liding
she could be liding
we could be liding
you could be liding
they could be liding	I could have lided
you could have lided
she could have lided
we could have lided
you could have lided
they could have lided	I could have been liding
you could have been liding
she could have been liding
we could have been liding
you could have been liding
they could have been liding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't lid
you couldn't lid
she couldn't lid
we couldn't lid
you couldn't lid
they couldn't lid 	I couldn't be liding
you couldn't be liding
she couldn't be liding
we couldn't be liding
you couldn't be liding
they couldn't be liding	I couldn't have lided
you couldn't have lided
she couldn't have lided
we couldn't have lided
you couldn't have lided
they couldn't have lided	I couldn't have been liding
you couldn't have been liding
she couldn't have been liding
we couldn't have been liding
you couldn't have been liding
they couldn't have been liding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lid?
could you lid?
could she lid?
could we lid?
could you lid?
could they lid? 	could I be liding?
could you be liding?
could she be liding?
could we be liding?
could you be liding?
could they be liding? 	could I have lided?
could you have lided?
could she have lided?
could we have lided?
could you have lided?
could they have lided? 	could I have been liding?
could you have been liding?
could she have been liding?
could we have been liding?
could you have been liding?
could they have been liding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I lid?
couldn't you lid?
couldn't she lid?
couldn't we lid?
couldn't you lid?
couldn't they lid? 	couldn't I be liding?
couldn't you be liding?
couldn't she be liding?
couldn't we be liding?
couldn't you be liding?
couldn't they be liding? 	couldn't I have lided?
couldn't you have lided?
couldn't she have lided?
couldn't we have lided?
couldn't you have lided?
couldn't they have lided? 	couldn't I have been liding?
couldn't you have been liding?
couldn't she have been liding?
couldn't we have been liding?
couldn't you have been liding?
couldn't they have been liding?