can junk
Regular verb: junk - junked- junked

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't junk
you can't junk
he can't junk
we can't junk
you can't junk
they can't junk 	I can't be junking
you can't be junking
he can't be junking
we can't be junking
you can't be junking
they can't be junking	I can't have junked
you can't have junked
he can't have junked
we can't have junked
you can't have junked
they can't have junked	I can't have been junking
you can't have been junking
he can't have been junking
we can't have been junking
you can't have been junking
they can't have been junking	

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

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