English verb conjugation COULD PIONEER

Regular verb: pioneer - pioneered - pioneered

Affirmation

Simple form

I could pioneer
you could pioneer
he could pioneer
we could pioneer
you could pioneer
they could pioneer

V-ing form

I could be pioneering
you could be pioneering
he could be pioneering
we could be pioneering
you could be pioneering
they could be pioneering

Perfect

I could have pioneered
you could have pioneered
he could have pioneered
we could have pioneered
you could have pioneered
they could have pioneered

V-ing perfect

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

Negation

Simple form

I could not pioneer
you could not pioneer
he could not pioneer
we could not pioneer
you could not pioneer
they could not pioneer

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I pioneer?
could you pioneer?
could he pioneer?
could we pioneer?
could you pioneer?
could they pioneer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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