could lid
Regular verb: lid - lided- lided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lid
you could lid
he could lid
we could lid
you could lid
they could lid 	I could be liding
you could be liding
he could be liding
we could be liding
you could be liding
they could be liding	I could have lided
you could have lided
he 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
he 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 could not lid
you could not lid
he could not lid
we could not lid
you could not lid
they could not lid 	I could not be liding
you could not be liding
he could not be liding
we could not be liding
you could not be liding
they could not be liding	I could not have lided
you could not have lided
he could not have lided
we could not have lided
you could not have lided
they could not have lided	I could not have been liding
you could not have been liding
he could not have been liding
we could not have been liding
you could not have been liding
they could not have been liding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lid?
could you lid?
could he lid?
could we lid?
could you lid?
could they lid? 	could I be liding?
could you be liding?
could he be liding?
could we be liding?
could you be liding?
could they be liding? 	could I have lided?
could you have lided?
could he 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 he 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 	
could I not lid?
could you not lid?
could he not lid?
could we not lid?
could you not lid?
could they not lid? 	could I not be liding?
could you not be liding?
could he not be liding?
could we not be liding?
could you not be liding?
could they not be liding? 	could I not have lided?
could you not have lided?
could he not have lided?
could we not have lided?
could you not have lided?
could they not have lided? 	could I not have been liding?
could you not have been liding?
could he not have been liding?
could we not have been liding?
could you not have been liding?
could they not have been liding?