English verb conjugation
COULD REAR-END

Regular verb: rear-end - rear-ended - rear-ended

Affirmation

Simple form	V-ing form
I could rear-end you could rear-end he could rear-end we could rear-end you could rear-end they could rear-end	I could be rear-ending you could be rear-ending he could be rear-ending we could be rear-ending you could be rear-ending they could be rear-ending
Perfect	V-ing perfect
I could have rear-ended you could have rear-ended he could have rear-ended we could have rear-ended you could have rear-ended they could have rear-ended	I could have been rear-ending you could have been rear-ending he could have been rear-ending we could have been rear-ending you could have been rear-ending they could have been rear-ending

Negation

Simple form	V-ing form
I could not rear-end you could not rear-end he could not rear-end we could not rear-end you could not rear-end they could not rear-end	I could not be rear-ending you could not be rear-ending he could not be rear-ending we could not be rear-ending you could not be rear-ending they could not be rear-ending
Perfect	V-ing perfect
I could not have rear-ended you could not have rear-ended he could not have rear-ended we could not have rear-ended you could not have rear-ended they could not have rear-ended	I could not have been rear-ending you could not have been rear-ending he could not have been rear-ending we could not have been rear-ending you could not have been rear-ending they could not have been rear-ending

Interrogative form

Simple form	V-ing form
could I rear-end? could you rear-end? could he rear-end? could we rear-end? could you rear-end? could they rear-end?	could I be rear-ending? could you be rear-ending? could he be rear-ending? could we be rear-ending? could you be rear-ending? could they be rear-ending?
Perfect	V-ing perfect
could I have rear-ended? could you have rear-ended? could he have rear-ended? could we have rear-ended? could you have rear-ended? could they have rear-ended?	could I have been rear-ending? could you have been rear-ending? could he have been rear-ending? could we have been rear-ending? could you have been rear-ending? could they have been rear-ending?

Interro-negative form

Simple form	V-ing form
could I not rear-end? could you not rear-end? could he not rear-end? could we not rear-end? could you not rear-end? could they not rear-end?	could I not be rear-ending? could you not be rear-ending? could he not be rear-ending? could we not be rear-ending? could you not be rear-ending? could they not be rear-ending?
Perfect	V-ing perfect
could I not have rear-ended? could you not have rear-ended? could he not have rear-ended? could we not have rear-ended? could you not have rear-ended? could they not have rear-ended?	could I not have been rear-ending? could you not have been rear-ending? could he not have been rear-ending? could we not have been rear-ending? could you not have been rear-ending? could they not have been rear-ending?