could line
Regular verb: line - lined- lined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could line
you could line
he could line
we could line
you could line
they could line 	I could be lining
you could be lining
he could be lining
we could be lining
you could be lining
they could be lining	I could have lined
you could have lined
he could have lined
we could have lined
you could have lined
they could have lined	I could have been lining
you could have been lining
he could have been lining
we could have been lining
you could have been lining
they could have been lining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't line
you couldn't line
he couldn't line
we couldn't line
you couldn't line
they couldn't line 	I couldn't be lining
you couldn't be lining
he couldn't be lining
we couldn't be lining
you couldn't be lining
they couldn't be lining	I couldn't have lined
you couldn't have lined
he couldn't have lined
we couldn't have lined
you couldn't have lined
they couldn't have lined	I couldn't have been lining
you couldn't have been lining
he couldn't have been lining
we couldn't have been lining
you couldn't have been lining
they couldn't have been lining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I line?
could you line?
could he line?
could we line?
could you line?
could they line? 	could I be lining?
could you be lining?
could he be lining?
could we be lining?
could you be lining?
could they be lining? 	could I have lined?
could you have lined?
could he have lined?
could we have lined?
could you have lined?
could they have lined? 	could I have been lining?
could you have been lining?
could he have been lining?
could we have been lining?
could you have been lining?
could they have been lining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I line?
couldn't you line?
couldn't he line?
couldn't we line?
couldn't you line?
couldn't they line? 	couldn't I be lining?
couldn't you be lining?
couldn't he be lining?
couldn't we be lining?
couldn't you be lining?
couldn't they be lining? 	couldn't I have lined?
couldn't you have lined?
couldn't he have lined?
couldn't we have lined?
couldn't you have lined?
couldn't they have lined? 	couldn't I have been lining?
couldn't you have been lining?
couldn't he have been lining?
couldn't we have been lining?
couldn't you have been lining?
couldn't they have been lining?