English verb conjugation COULD LEAPFROG

Regular verb: leapfrog - leapfroged - leapfroged

Affirmation

Simple form

I could leapfrog
you could leapfrog
she could leapfrog
we could leapfrog
you could leapfrog
they could leapfrog

V-ing form

I could be leapfroging
you could be leapfroging
she could be leapfroging
we could be leapfroging
you could be leapfroging
they could be leapfroging

Perfect

I could have leapfroged
you could have leapfroged
she could have leapfroged
we could have leapfroged
you could have leapfroged
they could have leapfroged

V-ing perfect

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

Negation

Simple form

I could not leapfrog
you could not leapfrog
she could not leapfrog
we could not leapfrog
you could not leapfrog
they could not leapfrog

V-ing form

I could not be leapfroging
you could not be leapfroging
she could not be leapfroging
we could not be leapfroging
you could not be leapfroging
they could not be leapfroging

Perfect

I could not have leapfroged
you could not have leapfroged
she could not have leapfroged
we could not have leapfroged
you could not have leapfroged
they could not have leapfroged

V-ing perfect

I could not have been leapfroging
you could not have been leapfroging
she could not have been leapfroging
we could not have been leapfroging
you could not have been leapfroging
they could not have been leapfroging

Interrogative form

Simple form

could I leapfrog?
could you leapfrog?
could she leapfrog?
could we leapfrog?
could you leapfrog?
could they leapfrog?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not leapfrog?
could you not leapfrog?
could she not leapfrog?
could we not leapfrog?
could you not leapfrog?
could they not leapfrog?

V-ing form

could I not be leapfroging?
could you not be leapfroging?
could she not be leapfroging?
could we not be leapfroging?
could you not be leapfroging?
could they not be leapfroging?

Perfect

could I not have leapfroged?
could you not have leapfroged?
could she not have leapfroged?
could we not have leapfroged?
could you not have leapfroged?
could they not have leapfroged?

V-ing perfect

could I not have been leapfroging?
could you not have been leapfroging?
could she not have been leapfroging?
could we not have been leapfroging?
could you not have been leapfroging?
could they not have been leapfroging?

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