English verb conjugation CAN LEAPFROG

Regular verb: leapfrog - leapfroged - leapfroged

Affirmation

Simple form

I can leapfrog
you can leapfrog
he can leapfrog
we can leapfrog
you can leapfrog
they can leapfrog

V-ing form

I can be leapfroging
you can be leapfroging
he can be leapfroging
we can be leapfroging
you can be leapfroging
they can be leapfroging

Perfect

I can have leapfroged
you can have leapfroged
he can have leapfroged
we can have leapfroged
you can have leapfroged
they can have leapfroged

V-ing perfect

I can have been leapfroging
you can have been leapfroging
he can have been leapfroging
we can have been leapfroging
you can have been leapfroging
they can have been leapfroging

Negation

Simple form

I cannot leapfrog
you cannot leapfrog
he cannot leapfrog
we cannot leapfrog
you cannot leapfrog
they cannot leapfrog

V-ing form

I cannot be leapfroging
you cannot be leapfroging
he cannot be leapfroging
we cannot be leapfroging
you cannot be leapfroging
they cannot be leapfroging

Perfect

I cannot have leapfroged
you cannot have leapfroged
he cannot have leapfroged
we cannot have leapfroged
you cannot have leapfroged
they cannot have leapfroged

V-ing perfect

I cannot have been leapfroging
you cannot have been leapfroging
he cannot have been leapfroging
we cannot have been leapfroging
you cannot have been leapfroging
they cannot have been leapfroging

Interrogative form

Simple form

can I leapfrog?
can you leapfrog?
can he leapfrog?
can we leapfrog?
can you leapfrog?
can they leapfrog?

V-ing form

can I be leapfroging?
can you be leapfroging?
can he be leapfroging?
can we be leapfroging?
can you be leapfroging?
can they be leapfroging?

Perfect

can I have leapfroged?
can you have leapfroged?
can he have leapfroged?
can we have leapfroged?
can you have leapfroged?
can they have leapfroged?

V-ing perfect

can I have been leapfroging?
can you have been leapfroging?
can he have been leapfroging?
can we have been leapfroging?
can you have been leapfroging?
can they have been leapfroging?

Interro-negative form

Simple form

can I not leapfrog?
can you not leapfrog?
can he not leapfrog?
can we not leapfrog?
can you not leapfrog?
can they not leapfrog?

V-ing form

can I not be leapfroging?
can you not be leapfroging?
can he not be leapfroging?
can we not be leapfroging?
can you not be leapfroging?
can they not be leapfroging?

Perfect

can I not have leapfroged?
can you not have leapfroged?
can he not have leapfroged?
can we not have leapfroged?
can you not have leapfroged?
can they not have leapfroged?

V-ing perfect

can I not have been leapfroging?
can you not have been leapfroging?
can he not have been leapfroging?
can we not have been leapfroging?
can you not have been leapfroging?
can they not have been leapfroging?

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