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 must not preheat
you must not preheat
he must not preheat
we must not preheat
you must not preheat
they must not preheat

V-ing form

I must not be preheating
you must not be preheating
he must not be preheating
we must not be preheating
you must not be preheating
they must not be preheating

Perfect

I must not have preheated
you must not have preheated
he must not have preheated
we must not have preheated
you must not have preheated
they must not have preheated

V-ing perfect

I must not have been preheating
you must not have been preheating
he must not have been preheating
we must not have been preheating
you must not have been preheating
they must not 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

must I not preheat?
must you not preheat?
must he not preheat?
must we not preheat?
must you not preheat?
must they not preheat?

V-ing form

must I not be preheating?
must you not be preheating?
must he not be preheating?
must we not be preheating?
must you not be preheating?
must they not be preheating?

Perfect

must I not have preheated?
must you not have preheated?
must he not have preheated?
must we not have preheated?
must you not have preheated?
must they not have preheated?

V-ing perfect

must I not have been preheating?
must you not have been preheating?
must he not have been preheating?
must we not have been preheating?
must you not have been preheating?
must they not have been preheating?

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