logo

male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST BACKSTOP

Regular verb: backstop - backstoped - backstoped


Affirmation

Simple form
I must backstop
you must backstop
she must backstop
we must backstop
you must backstop
they must backstop
V-ing form
I must be backstoping
you must be backstoping
she must be backstoping
we must be backstoping
you must be backstoping
they must be backstoping
Perfect
I must have backstoped
you must have backstoped
she 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
she 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
she 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
she 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
she 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
she 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 she backstop?
must we backstop?
must you backstop?
must they backstop?
V-ing form
must I be backstoping?
must you be backstoping?
must she be backstoping?
must we be backstoping?
must you be backstoping?
must they be backstoping?
Perfect
must I have backstoped?
must you have backstoped?
must she 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 she 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 she 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 she 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 she 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 she not have been backstoping?
must we not have been backstoping?
must you not have been backstoping?
must they not have been backstoping?