could par
Regular verb: par - pared- pared

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could par
you could par
he could par
we could par
you could par
they could par 	I could be paring
you could be paring
he could be paring
we could be paring
you could be paring
they could be paring	I could have pared
you could have pared
he could have pared
we could have pared
you could have pared
they could have pared	I could have been paring
you could have been paring
he could have been paring
we could have been paring
you could have been paring
they could have been paring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't par
you couldn't par
he couldn't par
we couldn't par
you couldn't par
they couldn't par 	I couldn't be paring
you couldn't be paring
he couldn't be paring
we couldn't be paring
you couldn't be paring
they couldn't be paring	I couldn't have pared
you couldn't have pared
he couldn't have pared
we couldn't have pared
you couldn't have pared
they couldn't have pared	I couldn't have been paring
you couldn't have been paring
he couldn't have been paring
we couldn't have been paring
you couldn't have been paring
they couldn't have been paring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I par?
could you par?
could he par?
could we par?
could you par?
could they par? 	could I be paring?
could you be paring?
could he be paring?
could we be paring?
could you be paring?
could they be paring? 	could I have pared?
could you have pared?
could he have pared?
could we have pared?
could you have pared?
could they have pared? 	could I have been paring?
could you have been paring?
could he have been paring?
could we have been paring?
could you have been paring?
could they have been paring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I par?
couldn't you par?
couldn't he par?
couldn't we par?
couldn't you par?
couldn't they par? 	couldn't I be paring?
couldn't you be paring?
couldn't he be paring?
couldn't we be paring?
couldn't you be paring?
couldn't they be paring? 	couldn't I have pared?
couldn't you have pared?
couldn't he have pared?
couldn't we have pared?
couldn't you have pared?
couldn't they have pared? 	couldn't I have been paring?
couldn't you have been paring?
couldn't he have been paring?
couldn't we have been paring?
couldn't you have been paring?
couldn't they have been paring?