can interline
Regular verb: interline - interlined- interlined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can interline
you can interline
he can interline
we can interline
you can interline
they can interline 	I can be interlining
you can be interlining
he can be interlining
we can be interlining
you can be interlining
they can be interlining	I can have interlined
you can have interlined
he can have interlined
we can have interlined
you can have interlined
they can have interlined	I can have been interlining
you can have been interlining
he can have been interlining
we can have been interlining
you can have been interlining
they can have been interlining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't interline
you can't interline
he can't interline
we can't interline
you can't interline
they can't interline 	I can't be interlining
you can't be interlining
he can't be interlining
we can't be interlining
you can't be interlining
they can't be interlining	I can't have interlined
you can't have interlined
he can't have interlined
we can't have interlined
you can't have interlined
they can't have interlined	I can't have been interlining
you can't have been interlining
he can't have been interlining
we can't have been interlining
you can't have been interlining
they can't have been interlining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I interline?
can you interline?
can he interline?
can we interline?
can you interline?
can they interline? 	can I be interlining?
can you be interlining?
can he be interlining?
can we be interlining?
can you be interlining?
can they be interlining? 	can I have interlined?
can you have interlined?
can he have interlined?
can we have interlined?
can you have interlined?
can they have interlined? 	can I have been interlining?
can you have been interlining?
can he have been interlining?
can we have been interlining?
can you have been interlining?
can they have been interlining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I interline?
can't you interline?
can't he interline?
can't we interline?
can't you interline?
can't they interline? 	can't I be interlining?
can't you be interlining?
can't he be interlining?
can't we be interlining?
can't you be interlining?
can't they be interlining? 	can't I have interlined?
can't you have interlined?
can't he have interlined?
can't we have interlined?
can't you have interlined?
can't they have interlined? 	can't I have been interlining?
can't you have been interlining?
can't he have been interlining?
can't we have been interlining?
can't you have been interlining?
can't they have been interlining?