could up
Regular verb: up - upped- upped

Affirmation 	
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I could up
you could up
she could up
we could up
you could up
they could up 	I could be upping
you could be upping
she could be upping
we could be upping
you could be upping
they could be upping	I could have upped
you could have upped
she could have upped
we could have upped
you could have upped
they could have upped	I could have been upping
you could have been upping
she could have been upping
we could have been upping
you could have been upping
they could have been upping	

Negation 	
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I couldn't up
you couldn't up
she couldn't up
we couldn't up
you couldn't up
they couldn't up 	I couldn't be upping
you couldn't be upping
she couldn't be upping
we couldn't be upping
you couldn't be upping
they couldn't be upping	I couldn't have upped
you couldn't have upped
she couldn't have upped
we couldn't have upped
you couldn't have upped
they couldn't have upped	I couldn't have been upping
you couldn't have been upping
she couldn't have been upping
we couldn't have been upping
you couldn't have been upping
they couldn't have been upping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I up?
could you up?
could she up?
could we up?
could you up?
could they up? 	could I be upping?
could you be upping?
could she be upping?
could we be upping?
could you be upping?
could they be upping? 	could I have upped?
could you have upped?
could she have upped?
could we have upped?
could you have upped?
could they have upped? 	could I have been upping?
could you have been upping?
could she have been upping?
could we have been upping?
could you have been upping?
could they have been upping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I up?
couldn't you up?
couldn't she up?
couldn't we up?
couldn't you up?
couldn't they up? 	couldn't I be upping?
couldn't you be upping?
couldn't she be upping?
couldn't we be upping?
couldn't you be upping?
couldn't they be upping? 	couldn't I have upped?
couldn't you have upped?
couldn't she have upped?
couldn't we have upped?
couldn't you have upped?
couldn't they have upped? 	couldn't I have been upping?
couldn't you have been upping?
couldn't she have been upping?
couldn't we have been upping?
couldn't you have been upping?
couldn't they have been upping?