English verb conjugation COULD SPHERE

Regular verb: sphere - sphered - sphered

Affirmation

Simple form

I could sphere
you could sphere
he could sphere
we could sphere
you could sphere
they could sphere

V-ing form

I could be sphering
you could be sphering
he could be sphering
we could be sphering
you could be sphering
they could be sphering

Perfect

I could have sphered
you could have sphered
he could have sphered
we could have sphered
you could have sphered
they could have sphered

V-ing perfect

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

Negation

Simple form

I could not sphere
you could not sphere
he could not sphere
we could not sphere
you could not sphere
they could not sphere

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sphere?
could you sphere?
could he sphere?
could we sphere?
could you sphere?
could they sphere?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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