English verb conjugation
COULD RUE

Regular verb: rue - rued - rued

Affirmation

Simple form	V-ing form
I could rue you could rue she could rue we could rue you could rue they could rue	I could be ruing you could be ruing she could be ruing we could be ruing you could be ruing they could be ruing
Perfect	V-ing perfect
I could have rued you could have rued she could have rued we could have rued you could have rued they could have rued	I could have been ruing you could have been ruing she could have been ruing we could have been ruing you could have been ruing they could have been ruing

Negation

Simple form	V-ing form
I could not rue you could not rue she could not rue we could not rue you could not rue they could not rue	I could not be ruing you could not be ruing she could not be ruing we could not be ruing you could not be ruing they could not be ruing
Perfect	V-ing perfect
I could not have rued you could not have rued she could not have rued we could not have rued you could not have rued they could not have rued	I could not have been ruing you could not have been ruing she could not have been ruing we could not have been ruing you could not have been ruing they could not have been ruing

Interrogative form

Simple form	V-ing form
could I rue? could you rue? could she rue? could we rue? could you rue? could they rue?	could I be ruing? could you be ruing? could she be ruing? could we be ruing? could you be ruing? could they be ruing?
Perfect	V-ing perfect
could I have rued? could you have rued? could she have rued? could we have rued? could you have rued? could they have rued?	could I have been ruing? could you have been ruing? could she have been ruing? could we have been ruing? could you have been ruing? could they have been ruing?

Interro-negative form

Simple form	V-ing form
could I not rue? could you not rue? could she not rue? could we not rue? could you not rue? could they not rue?	could I not be ruing? could you not be ruing? could she not be ruing? could we not be ruing? could you not be ruing? could they not be ruing?
Perfect	V-ing perfect
could I not have rued? could you not have rued? could she not have rued? could we not have rued? could you not have rued? could they not have rued?	could I not have been ruing? could you not have been ruing? could she not have been ruing? could we not have been ruing? could you not have been ruing? could they not have been ruing?