English verb conjugation MUST LEAVEN

Regular verb: leaven - leavened - leavened

Affirmation

Simple form

I must leaven
you must leaven
he must leaven
we must leaven
you must leaven
they must leaven

V-ing form

I must be leavening
you must be leavening
he must be leavening
we must be leavening
you must be leavening
they must be leavening

Perfect

I must have leavened
you must have leavened
he must have leavened
we must have leavened
you must have leavened
they must have leavened

V-ing perfect

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

Negation

Simple form

I must not leaven
you must not leaven
he must not leaven
we must not leaven
you must not leaven
they must not leaven

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I leaven?
must you leaven?
must he leaven?
must we leaven?
must you leaven?
must they leaven?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top