English verb conjugation COULD NAB

Regular verb: nab - nabbed - nabbed

Affirmation

Simple form

I could nab
you could nab
he could nab
we could nab
you could nab
they could nab

V-ing form

I could be nabbing
you could be nabbing
he could be nabbing
we could be nabbing
you could be nabbing
they could be nabbing

Perfect

I could have nabbed
you could have nabbed
he could have nabbed
we could have nabbed
you could have nabbed
they could have nabbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I nab?
could you nab?
could he nab?
could we nab?
could you nab?
could they nab?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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