English verb conjugation COULD JAB

Regular verb: jab - jabbed - jabbed

Affirmation

Simple form

I could jab
you could jab
he could jab
we could jab
you could jab
they could jab

V-ing form

I could be jabbing
you could be jabbing
he could be jabbing
we could be jabbing
you could be jabbing
they could be jabbing

Perfect

I could have jabbed
you could have jabbed
he could have jabbed
we could have jabbed
you could have jabbed
they could have jabbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I jab?
could you jab?
could he jab?
could we jab?
could you jab?
could they jab?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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