English verb conjugation COULD JOINT

Regular verb: joint - jointed - jointed

Affirmation

Simple form

I could joint
you could joint
he could joint
we could joint
you could joint
they could joint

V-ing form

I could be jointing
you could be jointing
he could be jointing
we could be jointing
you could be jointing
they could be jointing

Perfect

I could have jointed
you could have jointed
he could have jointed
we could have jointed
you could have jointed
they could have jointed

V-ing perfect

I could have been jointing
you could have been jointing
he could have been jointing
we could have been jointing
you could have been jointing
they could have been jointing

Negation

Simple form

I couldn't joint
you couldn't joint
he couldn't joint
we couldn't joint
you couldn't joint
they couldn't joint

V-ing form

I couldn't be jointing
you couldn't be jointing
he couldn't be jointing
we couldn't be jointing
you couldn't be jointing
they couldn't be jointing

Perfect

I couldn't have jointed
you couldn't have jointed
he couldn't have jointed
we couldn't have jointed
you couldn't have jointed
they couldn't have jointed

V-ing perfect

I couldn't have been jointing
you couldn't have been jointing
he couldn't have been jointing
we couldn't have been jointing
you couldn't have been jointing
they couldn't have been jointing

Interrogative form

Simple form

could I joint?
could you joint?
could he joint?
could we joint?
could you joint?
could they joint?

V-ing form

could I be jointing?
could you be jointing?
could he be jointing?
could we be jointing?
could you be jointing?
could they be jointing?

Perfect

could I have jointed?
could you have jointed?
could he have jointed?
could we have jointed?
could you have jointed?
could they have jointed?

V-ing perfect

could I have been jointing?
could you have been jointing?
could he have been jointing?
could we have been jointing?
could you have been jointing?
could they have been jointing?

Interro-negative form

Simple form

couldn't I joint?
couldn't you joint?
couldn't he joint?
couldn't we joint?
couldn't you joint?
couldn't they joint?

V-ing form

couldn't I be jointing?
couldn't you be jointing?
couldn't he be jointing?
couldn't we be jointing?
couldn't you be jointing?
couldn't they be jointing?

Perfect

couldn't I have jointed?
couldn't you have jointed?
couldn't he have jointed?
couldn't we have jointed?
couldn't you have jointed?
couldn't they have jointed?

V-ing perfect

couldn't I have been jointing?
couldn't you have been jointing?
couldn't he have been jointing?
couldn't we have been jointing?
couldn't you have been jointing?
couldn't they have been jointing?

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