could junk
Regular verb: junk - junked- junked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could junk
you could junk
he could junk
we could junk
you could junk
they could junk 	I could be junking
you could be junking
he could be junking
we could be junking
you could be junking
they could be junking	I could have junked
you could have junked
he could have junked
we could have junked
you could have junked
they could have junked	I could have been junking
you could have been junking
he could have been junking
we could have been junking
you could have been junking
they could have been junking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not junk
you could not junk
he could not junk
we could not junk
you could not junk
they could not junk 	I could not be junking
you could not be junking
he could not be junking
we could not be junking
you could not be junking
they could not be junking	I could not have junked
you could not have junked
he could not have junked
we could not have junked
you could not have junked
they could not have junked	I could not have been junking
you could not have been junking
he could not have been junking
we could not have been junking
you could not have been junking
they could not have been junking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I junk?
could you junk?
could he junk?
could we junk?
could you junk?
could they junk? 	could I be junking?
could you be junking?
could he be junking?
could we be junking?
could you be junking?
could they be junking? 	could I have junked?
could you have junked?
could he have junked?
could we have junked?
could you have junked?
could they have junked? 	could I have been junking?
could you have been junking?
could he have been junking?
could we have been junking?
could you have been junking?
could they have been junking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not junk?
could you not junk?
could he not junk?
could we not junk?
could you not junk?
could they not junk? 	could I not be junking?
could you not be junking?
could he not be junking?
could we not be junking?
could you not be junking?
could they not be junking? 	could I not have junked?
could you not have junked?
could he not have junked?
could we not have junked?
could you not have junked?
could they not have junked? 	could I not have been junking?
could you not have been junking?
could he not have been junking?
could we not have been junking?
could you not have been junking?
could they not have been junking?