English verb conjugation
MUST THERMOSTAT

Regular verb: thermostat - thermostated - thermostated

Affirmation

Simple form	V-ing form
I must thermostat you must thermostat he must thermostat we must thermostat you must thermostat they must thermostat	I must be thermostating you must be thermostating he must be thermostating we must be thermostating you must be thermostating they must be thermostating
Perfect	V-ing perfect
I must have thermostated you must have thermostated he must have thermostated we must have thermostated you must have thermostated they must have thermostated	I must have been thermostating you must have been thermostating he must have been thermostating we must have been thermostating you must have been thermostating they must have been thermostating

Negation

Simple form	V-ing form
I mustn't thermostat you mustn't thermostat he mustn't thermostat we mustn't thermostat you mustn't thermostat they mustn't thermostat	I mustn't be thermostating you mustn't be thermostating he mustn't be thermostating we mustn't be thermostating you mustn't be thermostating they mustn't be thermostating
Perfect	V-ing perfect
I mustn't have thermostated you mustn't have thermostated he mustn't have thermostated we mustn't have thermostated you mustn't have thermostated they mustn't have thermostated	I mustn't have been thermostating you mustn't have been thermostating he mustn't have been thermostating we mustn't have been thermostating you mustn't have been thermostating they mustn't have been thermostating

Interrogative form

Simple form	V-ing form
must I thermostat? must you thermostat? must he thermostat? must we thermostat? must you thermostat? must they thermostat?	must I be thermostating? must you be thermostating? must he be thermostating? must we be thermostating? must you be thermostating? must they be thermostating?
Perfect	V-ing perfect
must I have thermostated? must you have thermostated? must he have thermostated? must we have thermostated? must you have thermostated? must they have thermostated?	must I have been thermostating? must you have been thermostating? must he have been thermostating? must we have been thermostating? must you have been thermostating? must they have been thermostating?

Interro-negative form

Simple form	V-ing form
mustn't I thermostat? mustn't you thermostat? mustn't he thermostat? mustn't we thermostat? mustn't you thermostat? mustn't they thermostat?	mustn't I be thermostating? mustn't you be thermostating? mustn't he be thermostating? mustn't we be thermostating? mustn't you be thermostating? mustn't they be thermostating?
Perfect	V-ing perfect
mustn't I have thermostated? mustn't you have thermostated? mustn't he have thermostated? mustn't we have thermostated? mustn't you have thermostated? mustn't they have thermostated?	mustn't I have been thermostating? mustn't you have been thermostating? mustn't he have been thermostating? mustn't we have been thermostating? mustn't you have been thermostating? mustn't they have been thermostating?