English verb conjugation COULD TIMBER

Regular verb: timber - timbered - timbered

Affirmation

Simple form

I could timber
you could timber
he could timber
we could timber
you could timber
they could timber

V-ing form

I could be timbering
you could be timbering
he could be timbering
we could be timbering
you could be timbering
they could be timbering

Perfect

I could have timbered
you could have timbered
he could have timbered
we could have timbered
you could have timbered
they could have timbered

V-ing perfect

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

Negation

Simple form

I could not timber
you could not timber
he could not timber
we could not timber
you could not timber
they could not timber

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I timber?
could you timber?
could he timber?
could we timber?
could you timber?
could they timber?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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