English verb conjugation COULD YUK

Regular verb: yuk - yuked - yuked

Affirmation

Simple form

I could yuk
you could yuk
he could yuk
we could yuk
you could yuk
they could yuk

V-ing form

I could be yuking
you could be yuking
he could be yuking
we could be yuking
you could be yuking
they could be yuking

Perfect

I could have yuked
you could have yuked
he could have yuked
we could have yuked
you could have yuked
they could have yuked

V-ing perfect

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

Negation

Simple form

I couldn't yuk
you couldn't yuk
he couldn't yuk
we couldn't yuk
you couldn't yuk
they couldn't yuk

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I yuk?
could you yuk?
could he yuk?
could we yuk?
could you yuk?
could they yuk?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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