English verb conjugation MUST PREHEAT

Regular verb: preheat - preheated - preheated

Affirmation

Simple form

I must preheat
you must preheat
he must preheat
we must preheat
you must preheat
they must preheat

V-ing form

I must be preheating
you must be preheating
he must be preheating
we must be preheating
you must be preheating
they must be preheating

Perfect

I must have preheated
you must have preheated
he must have preheated
we must have preheated
you must have preheated
they must have preheated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I preheat?
must you preheat?
must he preheat?
must we preheat?
must you preheat?
must they preheat?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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