English verb conjugation COULD FURBISH

Regular verb: furbish - furbished - furbished

Affirmation

Simple form

I could furbish
you could furbish
he could furbish
we could furbish
you could furbish
they could furbish

V-ing form

I could be furbishing
you could be furbishing
he could be furbishing
we could be furbishing
you could be furbishing
they could be furbishing

Perfect

I could have furbished
you could have furbished
he could have furbished
we could have furbished
you could have furbished
they could have furbished

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I furbish?
could you furbish?
could he furbish?
could we furbish?
could you furbish?
could they furbish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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