English verb conjugation COULD CLAMP

Regular verb: clamp - clamped - clamped

Affirmation

Simple form

I could clamp
you could clamp
he could clamp
we could clamp
you could clamp
they could clamp

V-ing form

I could be clamping
you could be clamping
he could be clamping
we could be clamping
you could be clamping
they could be clamping

Perfect

I could have clamped
you could have clamped
he could have clamped
we could have clamped
you could have clamped
they could have clamped

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I clamp?
could you clamp?
could he clamp?
could we clamp?
could you clamp?
could they clamp?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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