English verb conjugation MUST BACKSTOP

Regular verb: backstop - backstoped - backstoped

Affirmation

Simple form

I must backstop
you must backstop
he must backstop
we must backstop
you must backstop
they must backstop

V-ing form

I must be backstoping
you must be backstoping
he must be backstoping
we must be backstoping
you must be backstoping
they must be backstoping

Perfect

I must have backstoped
you must have backstoped
he must have backstoped
we must have backstoped
you must have backstoped
they must have backstoped

V-ing perfect

I must have been backstoping
you must have been backstoping
he must have been backstoping
we must have been backstoping
you must have been backstoping
they must have been backstoping

Negation

Simple form

I must not backstop
you must not backstop
he must not backstop
we must not backstop
you must not backstop
they must not backstop

V-ing form

I must not be backstoping
you must not be backstoping
he must not be backstoping
we must not be backstoping
you must not be backstoping
they must not be backstoping

Perfect

I must not have backstoped
you must not have backstoped
he must not have backstoped
we must not have backstoped
you must not have backstoped
they must not have backstoped

V-ing perfect

I must not have been backstoping
you must not have been backstoping
he must not have been backstoping
we must not have been backstoping
you must not have been backstoping
they must not have been backstoping

Interrogative form

Simple form

must I backstop?
must you backstop?
must he backstop?
must we backstop?
must you backstop?
must they backstop?

V-ing form

must I be backstoping?
must you be backstoping?
must he be backstoping?
must we be backstoping?
must you be backstoping?
must they be backstoping?

Perfect

must I have backstoped?
must you have backstoped?
must he have backstoped?
must we have backstoped?
must you have backstoped?
must they have backstoped?

V-ing perfect

must I have been backstoping?
must you have been backstoping?
must he have been backstoping?
must we have been backstoping?
must you have been backstoping?
must they have been backstoping?

Interro-negative form

Simple form

must I not backstop?
must you not backstop?
must he not backstop?
must we not backstop?
must you not backstop?
must they not backstop?

V-ing form

must I not be backstoping?
must you not be backstoping?
must he not be backstoping?
must we not be backstoping?
must you not be backstoping?
must they not be backstoping?

Perfect

must I not have backstoped?
must you not have backstoped?
must he not have backstoped?
must we not have backstoped?
must you not have backstoped?
must they not have backstoped?

V-ing perfect

must I not have been backstoping?
must you not have been backstoping?
must he not have been backstoping?
must we not have been backstoping?
must you not have been backstoping?
must they not have been backstoping?

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