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 couldn't pioneer
you couldn't pioneer
he couldn't pioneer
we couldn't pioneer
you couldn't pioneer
they couldn't pioneer

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top