English verb conjugation COULD PRESHARPEN

Regular verb: presharpen - presharpened - presharpened

Affirmation

Simple form

I could presharpen
you could presharpen
she could presharpen
we could presharpen
you could presharpen
they could presharpen

V-ing form

I could be presharpening
you could be presharpening
she could be presharpening
we could be presharpening
you could be presharpening
they could be presharpening

Perfect

I could have presharpened
you could have presharpened
she could have presharpened
we could have presharpened
you could have presharpened
they could have presharpened

V-ing perfect

I could have been presharpening
you could have been presharpening
she could have been presharpening
we could have been presharpening
you could have been presharpening
they could have been presharpening

Negation

Simple form

I couldn't presharpen
you couldn't presharpen
she couldn't presharpen
we couldn't presharpen
you couldn't presharpen
they couldn't presharpen

V-ing form

I couldn't be presharpening
you couldn't be presharpening
she couldn't be presharpening
we couldn't be presharpening
you couldn't be presharpening
they couldn't be presharpening

Perfect

I couldn't have presharpened
you couldn't have presharpened
she couldn't have presharpened
we couldn't have presharpened
you couldn't have presharpened
they couldn't have presharpened

V-ing perfect

I couldn't have been presharpening
you couldn't have been presharpening
she couldn't have been presharpening
we couldn't have been presharpening
you couldn't have been presharpening
they couldn't have been presharpening

Interrogative form

Simple form

could I presharpen?
could you presharpen?
could she presharpen?
could we presharpen?
could you presharpen?
could they presharpen?

V-ing form

could I be presharpening?
could you be presharpening?
could she be presharpening?
could we be presharpening?
could you be presharpening?
could they be presharpening?

Perfect

could I have presharpened?
could you have presharpened?
could she have presharpened?
could we have presharpened?
could you have presharpened?
could they have presharpened?

V-ing perfect

could I have been presharpening?
could you have been presharpening?
could she have been presharpening?
could we have been presharpening?
could you have been presharpening?
could they have been presharpening?

Interro-negative form

Simple form

couldn't I presharpen?
couldn't you presharpen?
couldn't she presharpen?
couldn't we presharpen?
couldn't you presharpen?
couldn't they presharpen?

V-ing form

couldn't I be presharpening?
couldn't you be presharpening?
couldn't she be presharpening?
couldn't we be presharpening?
couldn't you be presharpening?
couldn't they be presharpening?

Perfect

couldn't I have presharpened?
couldn't you have presharpened?
couldn't she have presharpened?
couldn't we have presharpened?
couldn't you have presharpened?
couldn't they have presharpened?

V-ing perfect

couldn't I have been presharpening?
couldn't you have been presharpening?
couldn't she have been presharpening?
couldn't we have been presharpening?
couldn't you have been presharpening?
couldn't they have been presharpening?

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