English verb conjugation COULD SCALE

Regular verb: scale - scaled - scaled

Affirmation

Simple form

I could scale
you could scale
he could scale
we could scale
you could scale
they could scale

V-ing form

I could be scaling
you could be scaling
he could be scaling
we could be scaling
you could be scaling
they could be scaling

Perfect

I could have scaled
you could have scaled
he could have scaled
we could have scaled
you could have scaled
they could have scaled

V-ing perfect

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

Negation

Simple form

I could not scale
you could not scale
he could not scale
we could not scale
you could not scale
they could not scale

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I scale?
could you scale?
could he scale?
could we scale?
could you scale?
could they scale?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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