English verb conjugation COULD CRAB

Regular verb: crab - crabbed - crabbed

Affirmation

Simple form

I could crab
you could crab
she could crab
we could crab
you could crab
they could crab

V-ing form

I could be crabbing
you could be crabbing
she could be crabbing
we could be crabbing
you could be crabbing
they could be crabbing

Perfect

I could have crabbed
you could have crabbed
she could have crabbed
we could have crabbed
you could have crabbed
they could have crabbed

V-ing perfect

I could have been crabbing
you could have been crabbing
she could have been crabbing
we could have been crabbing
you could have been crabbing
they could have been crabbing

Negation

Simple form

I couldn't crab
you couldn't crab
she couldn't crab
we couldn't crab
you couldn't crab
they couldn't crab

V-ing form

I couldn't be crabbing
you couldn't be crabbing
she couldn't be crabbing
we couldn't be crabbing
you couldn't be crabbing
they couldn't be crabbing

Perfect

I couldn't have crabbed
you couldn't have crabbed
she couldn't have crabbed
we couldn't have crabbed
you couldn't have crabbed
they couldn't have crabbed

V-ing perfect

I couldn't have been crabbing
you couldn't have been crabbing
she couldn't have been crabbing
we couldn't have been crabbing
you couldn't have been crabbing
they couldn't have been crabbing

Interrogative form

Simple form

could I crab?
could you crab?
could she crab?
could we crab?
could you crab?
could they crab?

V-ing form

could I be crabbing?
could you be crabbing?
could she be crabbing?
could we be crabbing?
could you be crabbing?
could they be crabbing?

Perfect

could I have crabbed?
could you have crabbed?
could she have crabbed?
could we have crabbed?
could you have crabbed?
could they have crabbed?

V-ing perfect

could I have been crabbing?
could you have been crabbing?
could she have been crabbing?
could we have been crabbing?
could you have been crabbing?
could they have been crabbing?

Interro-negative form

Simple form

couldn't I crab?
couldn't you crab?
couldn't she crab?
couldn't we crab?
couldn't you crab?
couldn't they crab?

V-ing form

couldn't I be crabbing?
couldn't you be crabbing?
couldn't she be crabbing?
couldn't we be crabbing?
couldn't you be crabbing?
couldn't they be crabbing?

Perfect

couldn't I have crabbed?
couldn't you have crabbed?
couldn't she have crabbed?
couldn't we have crabbed?
couldn't you have crabbed?
couldn't they have crabbed?

V-ing perfect

couldn't I have been crabbing?
couldn't you have been crabbing?
couldn't she have been crabbing?
couldn't we have been crabbing?
couldn't you have been crabbing?
couldn't they have been crabbing?

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