English verb conjugation MUST RIDDLE

Regular verb: riddle - riddled - riddled

Affirmation

Simple form

I must riddle
you must riddle
she must riddle
we must riddle
you must riddle
they must riddle

V-ing form

I must be riddling
you must be riddling
she must be riddling
we must be riddling
you must be riddling
they must be riddling

Perfect

I must have riddled
you must have riddled
she must have riddled
we must have riddled
you must have riddled
they must have riddled

V-ing perfect

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

Negation

Simple form

I mustn't riddle
you mustn't riddle
she mustn't riddle
we mustn't riddle
you mustn't riddle
they mustn't riddle

V-ing form

I mustn't be riddling
you mustn't be riddling
she mustn't be riddling
we mustn't be riddling
you mustn't be riddling
they mustn't be riddling

Perfect

I mustn't have riddled
you mustn't have riddled
she mustn't have riddled
we mustn't have riddled
you mustn't have riddled
they mustn't have riddled

V-ing perfect

I mustn't have been riddling
you mustn't have been riddling
she mustn't have been riddling
we mustn't have been riddling
you mustn't have been riddling
they mustn't have been riddling

Interrogative form

Simple form

must I riddle?
must you riddle?
must she riddle?
must we riddle?
must you riddle?
must they riddle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I riddle?
mustn't you riddle?
mustn't she riddle?
mustn't we riddle?
mustn't you riddle?
mustn't they riddle?

V-ing form

mustn't I be riddling?
mustn't you be riddling?
mustn't she be riddling?
mustn't we be riddling?
mustn't you be riddling?
mustn't they be riddling?

Perfect

mustn't I have riddled?
mustn't you have riddled?
mustn't she have riddled?
mustn't we have riddled?
mustn't you have riddled?
mustn't they have riddled?

V-ing perfect

mustn't I have been riddling?
mustn't you have been riddling?
mustn't she have been riddling?
mustn't we have been riddling?
mustn't you have been riddling?
mustn't they have been riddling?

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