English verb conjugation COULD YADA-YADA

Regular verb: yada-yada - yada-yadaed - yada-yadaed

Affirmation

Simple form

I could yada-yada
you could yada-yada
he could yada-yada
we could yada-yada
you could yada-yada
they could yada-yada

V-ing form

I could be yada-yadaing
you could be yada-yadaing
he could be yada-yadaing
we could be yada-yadaing
you could be yada-yadaing
they could be yada-yadaing

Perfect

I could have yada-yadaed
you could have yada-yadaed
he could have yada-yadaed
we could have yada-yadaed
you could have yada-yadaed
they could have yada-yadaed

V-ing perfect

I could have been yada-yadaing
you could have been yada-yadaing
he could have been yada-yadaing
we could have been yada-yadaing
you could have been yada-yadaing
they could have been yada-yadaing

Negation

Simple form

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

V-ing form

I could not be yada-yadaing
you could not be yada-yadaing
he could not be yada-yadaing
we could not be yada-yadaing
you could not be yada-yadaing
they could not be yada-yadaing

Perfect

I could not have yada-yadaed
you could not have yada-yadaed
he could not have yada-yadaed
we could not have yada-yadaed
you could not have yada-yadaed
they could not have yada-yadaed

V-ing perfect

I could not have been yada-yadaing
you could not have been yada-yadaing
he could not have been yada-yadaing
we could not have been yada-yadaing
you could not have been yada-yadaing
they could not have been yada-yadaing

Interrogative form

Simple form

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

V-ing form

could I be yada-yadaing?
could you be yada-yadaing?
could he be yada-yadaing?
could we be yada-yadaing?
could you be yada-yadaing?
could they be yada-yadaing?

Perfect

could I have yada-yadaed?
could you have yada-yadaed?
could he have yada-yadaed?
could we have yada-yadaed?
could you have yada-yadaed?
could they have yada-yadaed?

V-ing perfect

could I have been yada-yadaing?
could you have been yada-yadaing?
could he have been yada-yadaing?
could we have been yada-yadaing?
could you have been yada-yadaing?
could they have been yada-yadaing?

Interro-negative form

Simple form

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

V-ing form

could I not be yada-yadaing?
could you not be yada-yadaing?
could he not be yada-yadaing?
could we not be yada-yadaing?
could you not be yada-yadaing?
could they not be yada-yadaing?

Perfect

could I not have yada-yadaed?
could you not have yada-yadaed?
could he not have yada-yadaed?
could we not have yada-yadaed?
could you not have yada-yadaed?
could they not have yada-yadaed?

V-ing perfect

could I not have been yada-yadaing?
could you not have been yada-yadaing?
could he not have been yada-yadaing?
could we not have been yada-yadaing?
could you not have been yada-yadaing?
could they not have been yada-yadaing?

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