English verb conjugation COULD SHEAF

Regular verb: sheaf - sheafed - sheafed

Affirmation

Simple form

I could sheaf
you could sheaf
he could sheaf
we could sheaf
you could sheaf
they could sheaf

V-ing form

I could be sheafing
you could be sheafing
he could be sheafing
we could be sheafing
you could be sheafing
they could be sheafing

Perfect

I could have sheafed
you could have sheafed
he could have sheafed
we could have sheafed
you could have sheafed
they could have sheafed

V-ing perfect

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

Negation

Simple form

I could not sheaf
you could not sheaf
he could not sheaf
we could not sheaf
you could not sheaf
they could not sheaf

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sheaf?
could you sheaf?
could he sheaf?
could we sheaf?
could you sheaf?
could they sheaf?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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