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 couldn't rear-end you couldn't rear-end he couldn't rear-end we couldn't rear-end you couldn't rear-end they couldn't rear-end	I couldn't be rear-ending you couldn't be rear-ending he couldn't be rear-ending we couldn't be rear-ending you couldn't be rear-ending they couldn't be rear-ending
Perfect	V-ing perfect
I couldn't have rear-ended you couldn't have rear-ended he couldn't have rear-ended we couldn't have rear-ended you couldn't have rear-ended they couldn't have rear-ended	I couldn't have been rear-ending you couldn't have been rear-ending he couldn't have been rear-ending we couldn't have been rear-ending you couldn't have been rear-ending they couldn't 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
couldn't I rear-end? couldn't you rear-end? couldn't he rear-end? couldn't we rear-end? couldn't you rear-end? couldn't they rear-end?	couldn't I be rear-ending? couldn't you be rear-ending? couldn't he be rear-ending? couldn't we be rear-ending? couldn't you be rear-ending? couldn't they be rear-ending?
Perfect	V-ing perfect
couldn't I have rear-ended? couldn't you have rear-ended? couldn't he have rear-ended? couldn't we have rear-ended? couldn't you have rear-ended? couldn't they have rear-ended?	couldn't I have been rear-ending? couldn't you have been rear-ending? couldn't he have been rear-ending? couldn't we have been rear-ending? couldn't you have been rear-ending? couldn't they have been rear-ending?