English verb conjugation MUST ARCH

Regular verb: arch - arched - arched

Affirmation

Simple form

I must arch
you must arch
she must arch
we must arch
you must arch
they must arch

V-ing form

I must be arching
you must be arching
she must be arching
we must be arching
you must be arching
they must be arching

Perfect

I must have arched
you must have arched
she must have arched
we must have arched
you must have arched
they must have arched

V-ing perfect

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

Negation

Simple form

I must not arch
you must not arch
she must not arch
we must not arch
you must not arch
they must not arch

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I arch?
must you arch?
must she arch?
must we arch?
must you arch?
must they arch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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