English verb conjugation COULD BACKFLIP

Regular verb: backflip - backfliped - backfliped

Affirmation

Simple form

I could backflip
you could backflip
he could backflip
we could backflip
you could backflip
they could backflip

V-ing form

I could be backfliping
you could be backfliping
he could be backfliping
we could be backfliping
you could be backfliping
they could be backfliping

Perfect

I could have backfliped
you could have backfliped
he could have backfliped
we could have backfliped
you could have backfliped
they could have backfliped

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I backflip?
could you backflip?
could he backflip?
could we backflip?
could you backflip?
could they backflip?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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