English verb conjugation COULD YUCK

Regular verb: yuck - yucked - yucked

Affirmation

Simple form

I could yuck
you could yuck
he could yuck
we could yuck
you could yuck
they could yuck

V-ing form

I could be yucking
you could be yucking
he could be yucking
we could be yucking
you could be yucking
they could be yucking

Perfect

I could have yucked
you could have yucked
he could have yucked
we could have yucked
you could have yucked
they could have yucked

V-ing perfect

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

Negation

Simple form

I could not yuck
you could not yuck
he could not yuck
we could not yuck
you could not yuck
they could not yuck

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I yuck?
could you yuck?
could he yuck?
could we yuck?
could you yuck?
could they yuck?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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