English verb conjugation MUST INTERFOLD

Regular verb: interfold - interfolded - interfolded

Affirmation

Simple form

I must interfold
you must interfold
she must interfold
we must interfold
you must interfold
they must interfold

V-ing form

I must be interfolding
you must be interfolding
she must be interfolding
we must be interfolding
you must be interfolding
they must be interfolding

Perfect

I must have interfolded
you must have interfolded
she must have interfolded
we must have interfolded
you must have interfolded
they must have interfolded

V-ing perfect

I must have been interfolding
you must have been interfolding
she must have been interfolding
we must have been interfolding
you must have been interfolding
they must have been interfolding

Negation

Simple form

I must not interfold
you must not interfold
she must not interfold
we must not interfold
you must not interfold
they must not interfold

V-ing form

I must not be interfolding
you must not be interfolding
she must not be interfolding
we must not be interfolding
you must not be interfolding
they must not be interfolding

Perfect

I must not have interfolded
you must not have interfolded
she must not have interfolded
we must not have interfolded
you must not have interfolded
they must not have interfolded

V-ing perfect

I must not have been interfolding
you must not have been interfolding
she must not have been interfolding
we must not have been interfolding
you must not have been interfolding
they must not have been interfolding

Interrogative form

Simple form

must I interfold?
must you interfold?
must she interfold?
must we interfold?
must you interfold?
must they interfold?

V-ing form

must I be interfolding?
must you be interfolding?
must she be interfolding?
must we be interfolding?
must you be interfolding?
must they be interfolding?

Perfect

must I have interfolded?
must you have interfolded?
must she have interfolded?
must we have interfolded?
must you have interfolded?
must they have interfolded?

V-ing perfect

must I have been interfolding?
must you have been interfolding?
must she have been interfolding?
must we have been interfolding?
must you have been interfolding?
must they have been interfolding?

Interro-negative form

Simple form

must I not interfold?
must you not interfold?
must she not interfold?
must we not interfold?
must you not interfold?
must they not interfold?

V-ing form

must I not be interfolding?
must you not be interfolding?
must she not be interfolding?
must we not be interfolding?
must you not be interfolding?
must they not be interfolding?

Perfect

must I not have interfolded?
must you not have interfolded?
must she not have interfolded?
must we not have interfolded?
must you not have interfolded?
must they not have interfolded?

V-ing perfect

must I not have been interfolding?
must you not have been interfolding?
must she not have been interfolding?
must we not have been interfolding?
must you not have been interfolding?
must they not have been interfolding?

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