English verb conjugation COULD YO-YO

Regular verb: yo-yo - yo-yoed - yo-yoed

Affirmation

Simple form

I could yo-yo
you could yo-yo
he could yo-yo
we could yo-yo
you could yo-yo
they could yo-yo

V-ing form

I could be yo-yoing
you could be yo-yoing
he could be yo-yoing
we could be yo-yoing
you could be yo-yoing
they could be yo-yoing

Perfect

I could have yo-yoed
you could have yo-yoed
he could have yo-yoed
we could have yo-yoed
you could have yo-yoed
they could have yo-yoed

V-ing perfect

I could have been yo-yoing
you could have been yo-yoing
he could have been yo-yoing
we could have been yo-yoing
you could have been yo-yoing
they could have been yo-yoing

Negation

Simple form

I could not yo-yo
you could not yo-yo
he could not yo-yo
we could not yo-yo
you could not yo-yo
they could not yo-yo

V-ing form

I could not be yo-yoing
you could not be yo-yoing
he could not be yo-yoing
we could not be yo-yoing
you could not be yo-yoing
they could not be yo-yoing

Perfect

I could not have yo-yoed
you could not have yo-yoed
he could not have yo-yoed
we could not have yo-yoed
you could not have yo-yoed
they could not have yo-yoed

V-ing perfect

I could not have been yo-yoing
you could not have been yo-yoing
he could not have been yo-yoing
we could not have been yo-yoing
you could not have been yo-yoing
they could not have been yo-yoing

Interrogative form

Simple form

could I yo-yo?
could you yo-yo?
could he yo-yo?
could we yo-yo?
could you yo-yo?
could they yo-yo?

V-ing form

could I be yo-yoing?
could you be yo-yoing?
could he be yo-yoing?
could we be yo-yoing?
could you be yo-yoing?
could they be yo-yoing?

Perfect

could I have yo-yoed?
could you have yo-yoed?
could he have yo-yoed?
could we have yo-yoed?
could you have yo-yoed?
could they have yo-yoed?

V-ing perfect

could I have been yo-yoing?
could you have been yo-yoing?
could he have been yo-yoing?
could we have been yo-yoing?
could you have been yo-yoing?
could they have been yo-yoing?

Interro-negative form

Simple form

could I not yo-yo?
could you not yo-yo?
could he not yo-yo?
could we not yo-yo?
could you not yo-yo?
could they not yo-yo?

V-ing form

could I not be yo-yoing?
could you not be yo-yoing?
could he not be yo-yoing?
could we not be yo-yoing?
could you not be yo-yoing?
could they not be yo-yoing?

Perfect

could I not have yo-yoed?
could you not have yo-yoed?
could he not have yo-yoed?
could we not have yo-yoed?
could you not have yo-yoed?
could they not have yo-yoed?

V-ing perfect

could I not have been yo-yoing?
could you not have been yo-yoing?
could he not have been yo-yoing?
could we not have been yo-yoing?
could you not have been yo-yoing?
could they not have been yo-yoing?

Page top