English verb conjugation
MUST REFRIDGERATE

Regular verb: refridgerate - refridgerated - refridgerated

Affirmation

Simple form	V-ing form
I must refridgerate you must refridgerate he must refridgerate we must refridgerate you must refridgerate they must refridgerate	I must be refridgerating you must be refridgerating he must be refridgerating we must be refridgerating you must be refridgerating they must be refridgerating
Perfect	V-ing perfect
I must have refridgerated you must have refridgerated he must have refridgerated we must have refridgerated you must have refridgerated they must have refridgerated	I must have been refridgerating you must have been refridgerating he must have been refridgerating we must have been refridgerating you must have been refridgerating they must have been refridgerating

Negation

Simple form	V-ing form
I mustn't refridgerate you mustn't refridgerate he mustn't refridgerate we mustn't refridgerate you mustn't refridgerate they mustn't refridgerate	I mustn't be refridgerating you mustn't be refridgerating he mustn't be refridgerating we mustn't be refridgerating you mustn't be refridgerating they mustn't be refridgerating
Perfect	V-ing perfect
I mustn't have refridgerated you mustn't have refridgerated he mustn't have refridgerated we mustn't have refridgerated you mustn't have refridgerated they mustn't have refridgerated	I mustn't have been refridgerating you mustn't have been refridgerating he mustn't have been refridgerating we mustn't have been refridgerating you mustn't have been refridgerating they mustn't have been refridgerating

Interrogative form

Simple form	V-ing form
must I refridgerate? must you refridgerate? must he refridgerate? must we refridgerate? must you refridgerate? must they refridgerate?	must I be refridgerating? must you be refridgerating? must he be refridgerating? must we be refridgerating? must you be refridgerating? must they be refridgerating?
Perfect	V-ing perfect
must I have refridgerated? must you have refridgerated? must he have refridgerated? must we have refridgerated? must you have refridgerated? must they have refridgerated?	must I have been refridgerating? must you have been refridgerating? must he have been refridgerating? must we have been refridgerating? must you have been refridgerating? must they have been refridgerating?

Interro-negative form

Simple form	V-ing form
mustn't I refridgerate? mustn't you refridgerate? mustn't he refridgerate? mustn't we refridgerate? mustn't you refridgerate? mustn't they refridgerate?	mustn't I be refridgerating? mustn't you be refridgerating? mustn't he be refridgerating? mustn't we be refridgerating? mustn't you be refridgerating? mustn't they be refridgerating?
Perfect	V-ing perfect
mustn't I have refridgerated? mustn't you have refridgerated? mustn't he have refridgerated? mustn't we have refridgerated? mustn't you have refridgerated? mustn't they have refridgerated?	mustn't I have been refridgerating? mustn't you have been refridgerating? mustn't he have been refridgerating? mustn't we have been refridgerating? mustn't you have been refridgerating? mustn't they have been refridgerating?