English verb conjugation
COULD PREDISCUSS

Regular verb: prediscuss - prediscussed - prediscussed

Affirmation

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

Negation

Simple form	V-ing form
I couldn't prediscuss you couldn't prediscuss he couldn't prediscuss we couldn't prediscuss you couldn't prediscuss they couldn't prediscuss	I couldn't be prediscussing you couldn't be prediscussing he couldn't be prediscussing we couldn't be prediscussing you couldn't be prediscussing they couldn't be prediscussing
Perfect	V-ing perfect
I couldn't have prediscussed you couldn't have prediscussed he couldn't have prediscussed we couldn't have prediscussed you couldn't have prediscussed they couldn't have prediscussed	I couldn't have been prediscussing you couldn't have been prediscussing he couldn't have been prediscussing we couldn't have been prediscussing you couldn't have been prediscussing they couldn't have been prediscussing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
couldn't I prediscuss? couldn't you prediscuss? couldn't he prediscuss? couldn't we prediscuss? couldn't you prediscuss? couldn't they prediscuss?	couldn't I be prediscussing? couldn't you be prediscussing? couldn't he be prediscussing? couldn't we be prediscussing? couldn't you be prediscussing? couldn't they be prediscussing?
Perfect	V-ing perfect
couldn't I have prediscussed? couldn't you have prediscussed? couldn't he have prediscussed? couldn't we have prediscussed? couldn't you have prediscussed? couldn't they have prediscussed?	couldn't I have been prediscussing? couldn't you have been prediscussing? couldn't he have been prediscussing? couldn't we have been prediscussing? couldn't you have been prediscussing? couldn't they have been prediscussing?