English verb conjugation
COULD QUARTER

Regular verb: quarter - quartered - quartered

Affirmation

Simple form	V-ing form
I could quarter you could quarter she could quarter we could quarter you could quarter they could quarter	I could be quartering you could be quartering she could be quartering we could be quartering you could be quartering they could be quartering
Perfect	V-ing perfect
I could have quartered you could have quartered she could have quartered we could have quartered you could have quartered they could have quartered	I could have been quartering you could have been quartering she could have been quartering we could have been quartering you could have been quartering they could have been quartering

Negation

Simple form	V-ing form
I could not quarter you could not quarter she could not quarter we could not quarter you could not quarter they could not quarter	I could not be quartering you could not be quartering she could not be quartering we could not be quartering you could not be quartering they could not be quartering
Perfect	V-ing perfect
I could not have quartered you could not have quartered she could not have quartered we could not have quartered you could not have quartered they could not have quartered	I could not have been quartering you could not have been quartering she could not have been quartering we could not have been quartering you could not have been quartering they could not have been quartering

Interrogative form

Simple form	V-ing form
could I quarter? could you quarter? could she quarter? could we quarter? could you quarter? could they quarter?	could I be quartering? could you be quartering? could she be quartering? could we be quartering? could you be quartering? could they be quartering?
Perfect	V-ing perfect
could I have quartered? could you have quartered? could she have quartered? could we have quartered? could you have quartered? could they have quartered?	could I have been quartering? could you have been quartering? could she have been quartering? could we have been quartering? could you have been quartering? could they have been quartering?

Interro-negative form

Simple form	V-ing form
could I not quarter? could you not quarter? could she not quarter? could we not quarter? could you not quarter? could they not quarter?	could I not be quartering? could you not be quartering? could she not be quartering? could we not be quartering? could you not be quartering? could they not be quartering?
Perfect	V-ing perfect
could I not have quartered? could you not have quartered? could she not have quartered? could we not have quartered? could you not have quartered? could they not have quartered?	could I not have been quartering? could you not have been quartering? could she not have been quartering? could we not have been quartering? could you not have been quartering? could they not have been quartering?