can prediscuss
Regular verb: prediscuss - prediscussed- prediscussed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can prediscuss
you can prediscuss
he can prediscuss
we can prediscuss
you can prediscuss
they can prediscuss 	I can be prediscussing
you can be prediscussing
he can be prediscussing
we can be prediscussing
you can be prediscussing
they can be prediscussing	I can have prediscussed
you can have prediscussed
he can have prediscussed
we can have prediscussed
you can have prediscussed
they can have prediscussed	I can have been prediscussing
you can have been prediscussing
he can have been prediscussing
we can have been prediscussing
you can have been prediscussing
they can have been prediscussing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot prediscuss
you cannot prediscuss
he cannot prediscuss
we cannot prediscuss
you cannot prediscuss
they cannot prediscuss 	I cannot be prediscussing
you cannot be prediscussing
he cannot be prediscussing
we cannot be prediscussing
you cannot be prediscussing
they cannot be prediscussing	I cannot have prediscussed
you cannot have prediscussed
he cannot have prediscussed
we cannot have prediscussed
you cannot have prediscussed
they cannot have prediscussed	I cannot have been prediscussing
you cannot have been prediscussing
he cannot have been prediscussing
we cannot have been prediscussing
you cannot have been prediscussing
they cannot have been prediscussing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I prediscuss?
can you prediscuss?
can he prediscuss?
can we prediscuss?
can you prediscuss?
can they prediscuss? 	can I be prediscussing?
can you be prediscussing?
can he be prediscussing?
can we be prediscussing?
can you be prediscussing?
can they be prediscussing? 	can I have prediscussed?
can you have prediscussed?
can he have prediscussed?
can we have prediscussed?
can you have prediscussed?
can they have prediscussed? 	can I have been prediscussing?
can you have been prediscussing?
can he have been prediscussing?
can we have been prediscussing?
can you have been prediscussing?
can they have been prediscussing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not prediscuss?
can you not prediscuss?
can he not prediscuss?
can we not prediscuss?
can you not prediscuss?
can they not prediscuss? 	can I not be prediscussing?
can you not be prediscussing?
can he not be prediscussing?
can we not be prediscussing?
can you not be prediscussing?
can they not be prediscussing? 	can I not have prediscussed?
can you not have prediscussed?
can he not have prediscussed?
can we not have prediscussed?
can you not have prediscussed?
can they not have prediscussed? 	can I not have been prediscussing?
can you not have been prediscussing?
can he not have been prediscussing?
can we not have been prediscussing?
can you not have been prediscussing?
can they not have been prediscussing?