could middle
Regular verb: middle - middled- middled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could middle
you could middle
he could middle
we could middle
you could middle
they could middle 	I could be middling
you could be middling
he could be middling
we could be middling
you could be middling
they could be middling	I could have middled
you could have middled
he could have middled
we could have middled
you could have middled
they could have middled	I could have been middling
you could have been middling
he could have been middling
we could have been middling
you could have been middling
they could have been middling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't middle
you couldn't middle
he couldn't middle
we couldn't middle
you couldn't middle
they couldn't middle 	I couldn't be middling
you couldn't be middling
he couldn't be middling
we couldn't be middling
you couldn't be middling
they couldn't be middling	I couldn't have middled
you couldn't have middled
he couldn't have middled
we couldn't have middled
you couldn't have middled
they couldn't have middled	I couldn't have been middling
you couldn't have been middling
he couldn't have been middling
we couldn't have been middling
you couldn't have been middling
they couldn't have been middling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I middle?
could you middle?
could he middle?
could we middle?
could you middle?
could they middle? 	could I be middling?
could you be middling?
could he be middling?
could we be middling?
could you be middling?
could they be middling? 	could I have middled?
could you have middled?
could he have middled?
could we have middled?
could you have middled?
could they have middled? 	could I have been middling?
could you have been middling?
could he have been middling?
could we have been middling?
could you have been middling?
could they have been middling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I middle?
couldn't you middle?
couldn't he middle?
couldn't we middle?
couldn't you middle?
couldn't they middle? 	couldn't I be middling?
couldn't you be middling?
couldn't he be middling?
couldn't we be middling?
couldn't you be middling?
couldn't they be middling? 	couldn't I have middled?
couldn't you have middled?
couldn't he have middled?
couldn't we have middled?
couldn't you have middled?
couldn't they have middled? 	couldn't I have been middling?
couldn't you have been middling?
couldn't he have been middling?
couldn't we have been middling?
couldn't you have been middling?
couldn't they have been middling?