English verb conjugation MUST TITTER

Regular verb: titter - tittered - tittered

Affirmation

Simple form

I must titter
you must titter
he must titter
we must titter
you must titter
they must titter

V-ing form

I must be tittering
you must be tittering
he must be tittering
we must be tittering
you must be tittering
they must be tittering

Perfect

I must have tittered
you must have tittered
he must have tittered
we must have tittered
you must have tittered
they must have tittered

V-ing perfect

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

Negation

Simple form

I must not titter
you must not titter
he must not titter
we must not titter
you must not titter
they must not titter

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I titter?
must you titter?
must he titter?
must we titter?
must you titter?
must they titter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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