English verb conjugation COULD HELICOPTER

Regular verb: helicopter - helicoptered - helicoptered

Affirmation

Simple form

I could helicopter
you could helicopter
he could helicopter
we could helicopter
you could helicopter
they could helicopter

V-ing form

I could be helicoptering
you could be helicoptering
he could be helicoptering
we could be helicoptering
you could be helicoptering
they could be helicoptering

Perfect

I could have helicoptered
you could have helicoptered
he could have helicoptered
we could have helicoptered
you could have helicoptered
they could have helicoptered

V-ing perfect

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

Negation

Simple form

I could not helicopter
you could not helicopter
he could not helicopter
we could not helicopter
you could not helicopter
they could not helicopter

V-ing form

I could not be helicoptering
you could not be helicoptering
he could not be helicoptering
we could not be helicoptering
you could not be helicoptering
they could not be helicoptering

Perfect

I could not have helicoptered
you could not have helicoptered
he could not have helicoptered
we could not have helicoptered
you could not have helicoptered
they could not have helicoptered

V-ing perfect

I could not have been helicoptering
you could not have been helicoptering
he could not have been helicoptering
we could not have been helicoptering
you could not have been helicoptering
they could not have been helicoptering

Interrogative form

Simple form

could I helicopter?
could you helicopter?
could he helicopter?
could we helicopter?
could you helicopter?
could they helicopter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not helicopter?
could you not helicopter?
could he not helicopter?
could we not helicopter?
could you not helicopter?
could they not helicopter?

V-ing form

could I not be helicoptering?
could you not be helicoptering?
could he not be helicoptering?
could we not be helicoptering?
could you not be helicoptering?
could they not be helicoptering?

Perfect

could I not have helicoptered?
could you not have helicoptered?
could he not have helicoptered?
could we not have helicoptered?
could you not have helicoptered?
could they not have helicoptered?

V-ing perfect

could I not have been helicoptering?
could you not have been helicoptering?
could he not have been helicoptering?
could we not have been helicoptering?
could you not have been helicoptering?
could they not have been helicoptering?

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