English verb conjugation MUST LEAD

Irregular verb: lead - led - led

Affirmation

Simple form

I must lead
you must lead
she must lead
we must lead
you must lead
they must lead

V-ing form

I must be leading
you must be leading
she must be leading
we must be leading
you must be leading
they must be leading

Perfect

I must have led
you must have led
she must have led
we must have led
you must have led
they must have led

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I lead?
must you lead?
must she lead?
must we lead?
must you lead?
must they lead?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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