English verb conjugation MUST TRILL

Regular verb: trill - trilled - trilled

Affirmation

Simple form

I must trill
you must trill
he must trill
we must trill
you must trill
they must trill

V-ing form

I must be trilling
you must be trilling
he must be trilling
we must be trilling
you must be trilling
they must be trilling

Perfect

I must have trilled
you must have trilled
he must have trilled
we must have trilled
you must have trilled
they must have trilled

V-ing perfect

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

Negation

Simple form

I mustn't trill
you mustn't trill
he mustn't trill
we mustn't trill
you mustn't trill
they mustn't trill

V-ing form

I mustn't be trilling
you mustn't be trilling
he mustn't be trilling
we mustn't be trilling
you mustn't be trilling
they mustn't be trilling

Perfect

I mustn't have trilled
you mustn't have trilled
he mustn't have trilled
we mustn't have trilled
you mustn't have trilled
they mustn't have trilled

V-ing perfect

I mustn't have been trilling
you mustn't have been trilling
he mustn't have been trilling
we mustn't have been trilling
you mustn't have been trilling
they mustn't have been trilling

Interrogative form

Simple form

must I trill?
must you trill?
must he trill?
must we trill?
must you trill?
must they trill?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I trill?
mustn't you trill?
mustn't he trill?
mustn't we trill?
mustn't you trill?
mustn't they trill?

V-ing form

mustn't I be trilling?
mustn't you be trilling?
mustn't he be trilling?
mustn't we be trilling?
mustn't you be trilling?
mustn't they be trilling?

Perfect

mustn't I have trilled?
mustn't you have trilled?
mustn't he have trilled?
mustn't we have trilled?
mustn't you have trilled?
mustn't they have trilled?

V-ing perfect

mustn't I have been trilling?
mustn't you have been trilling?
mustn't he have been trilling?
mustn't we have been trilling?
mustn't you have been trilling?
mustn't they have been trilling?

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