English verb conjugation
COULD ORDER

Regular verb: order - ordered - ordered

Affirmation

Simple form	V-ing form
I could order you could order he could order we could order you could order they could order	I could be ordering you could be ordering he could be ordering we could be ordering you could be ordering they could be ordering
Perfect	V-ing perfect
I could have ordered you could have ordered he could have ordered we could have ordered you could have ordered they could have ordered	I could have been ordering you could have been ordering he could have been ordering we could have been ordering you could have been ordering they could have been ordering

Negation

Simple form	V-ing form
I could not order you could not order he could not order we could not order you could not order they could not order	I could not be ordering you could not be ordering he could not be ordering we could not be ordering you could not be ordering they could not be ordering
Perfect	V-ing perfect
I could not have ordered you could not have ordered he could not have ordered we could not have ordered you could not have ordered they could not have ordered	I could not have been ordering you could not have been ordering he could not have been ordering we could not have been ordering you could not have been ordering they could not have been ordering

Interrogative form

Simple form	V-ing form
could I order? could you order? could he order? could we order? could you order? could they order?	could I be ordering? could you be ordering? could he be ordering? could we be ordering? could you be ordering? could they be ordering?
Perfect	V-ing perfect
could I have ordered? could you have ordered? could he have ordered? could we have ordered? could you have ordered? could they have ordered?	could I have been ordering? could you have been ordering? could he have been ordering? could we have been ordering? could you have been ordering? could they have been ordering?

Interro-negative form

Simple form	V-ing form
could I not order? could you not order? could he not order? could we not order? could you not order? could they not order?	could I not be ordering? could you not be ordering? could he not be ordering? could we not be ordering? could you not be ordering? could they not be ordering?
Perfect	V-ing perfect
could I not have ordered? could you not have ordered? could he not have ordered? could we not have ordered? could you not have ordered? could they not have ordered?	could I not have been ordering? could you not have been ordering? could he not have been ordering? could we not have been ordering? could you not have been ordering? could they not have been ordering?