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 couldn't yuck
you couldn't yuck
he couldn't yuck
we couldn't yuck
you couldn't yuck
they couldn't yuck

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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