English verb conjugation MUST LIFEGUARD

Regular verb: lifeguard - lifeguarded - lifeguarded

Affirmation

Simple form

I must lifeguard
you must lifeguard
he must lifeguard
we must lifeguard
you must lifeguard
they must lifeguard

V-ing form

I must be lifeguarding
you must be lifeguarding
he must be lifeguarding
we must be lifeguarding
you must be lifeguarding
they must be lifeguarding

Perfect

I must have lifeguarded
you must have lifeguarded
he must have lifeguarded
we must have lifeguarded
you must have lifeguarded
they must have lifeguarded

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I lifeguard?
must you lifeguard?
must he lifeguard?
must we lifeguard?
must you lifeguard?
must they lifeguard?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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