English verb conjugation COULD TURF

Regular verb: turf - turfed - turfed

Affirmation

Simple form

I could turf
you could turf
he could turf
we could turf
you could turf
they could turf

V-ing form

I could be turfing
you could be turfing
he could be turfing
we could be turfing
you could be turfing
they could be turfing

Perfect

I could have turfed
you could have turfed
he could have turfed
we could have turfed
you could have turfed
they could have turfed

V-ing perfect

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

Negation

Simple form

I could not turf
you could not turf
he could not turf
we could not turf
you could not turf
they could not turf

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I turf?
could you turf?
could he turf?
could we turf?
could you turf?
could they turf?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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