could bar
Regular verb: bar - barred- barred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bar
you could bar
he could bar
we could bar
you could bar
they could bar 	I could be barring
you could be barring
he could be barring
we could be barring
you could be barring
they could be barring	I could have barred
you could have barred
he could have barred
we could have barred
you could have barred
they could have barred	I could have been barring
you could have been barring
he could have been barring
we could have been barring
you could have been barring
they could have been barring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not bar
you could not bar
he could not bar
we could not bar
you could not bar
they could not bar 	I could not be barring
you could not be barring
he could not be barring
we could not be barring
you could not be barring
they could not be barring	I could not have barred
you could not have barred
he could not have barred
we could not have barred
you could not have barred
they could not have barred	I could not have been barring
you could not have been barring
he could not have been barring
we could not have been barring
you could not have been barring
they could not have been barring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bar?
could you bar?
could he bar?
could we bar?
could you bar?
could they bar? 	could I be barring?
could you be barring?
could he be barring?
could we be barring?
could you be barring?
could they be barring? 	could I have barred?
could you have barred?
could he have barred?
could we have barred?
could you have barred?
could they have barred? 	could I have been barring?
could you have been barring?
could he have been barring?
could we have been barring?
could you have been barring?
could they have been barring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not bar?
could you not bar?
could he not bar?
could we not bar?
could you not bar?
could they not bar? 	could I not be barring?
could you not be barring?
could he not be barring?
could we not be barring?
could you not be barring?
could they not be barring? 	could I not have barred?
could you not have barred?
could he not have barred?
could we not have barred?
could you not have barred?
could they not have barred? 	could I not have been barring?
could you not have been barring?
could he not have been barring?
could we not have been barring?
could you not have been barring?
could they not have been barring?