English verb conjugation
COULD JUNK

Regular verb: junk - junked - junked

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?