I must turbocharge you must turbocharge he must turbocharge we must turbocharge you must turbocharge they must turbocharge
V-ing form
I must be turbocharging you must be turbocharging he must be turbocharging we must be turbocharging you must be turbocharging they must be turbocharging
Perfect
I must have turbocharged you must have turbocharged he must have turbocharged we must have turbocharged you must have turbocharged they must have turbocharged
V-ing perfect
I must have been turbocharging you must have been turbocharging he must have been turbocharging we must have been turbocharging you must have been turbocharging they must have been turbocharging
Negation
Simple form
I mustn't turbocharge you mustn't turbocharge he mustn't turbocharge we mustn't turbocharge you mustn't turbocharge they mustn't turbocharge
V-ing form
I mustn't be turbocharging you mustn't be turbocharging he mustn't be turbocharging we mustn't be turbocharging you mustn't be turbocharging they mustn't be turbocharging
Perfect
I mustn't have turbocharged you mustn't have turbocharged he mustn't have turbocharged we mustn't have turbocharged you mustn't have turbocharged they mustn't have turbocharged
V-ing perfect
I mustn't have been turbocharging you mustn't have been turbocharging he mustn't have been turbocharging we mustn't have been turbocharging you mustn't have been turbocharging they mustn't have been turbocharging
Interrogative form
Simple form
must I turbocharge? must you turbocharge? must he turbocharge? must we turbocharge? must you turbocharge? must they turbocharge?
V-ing form
must I be turbocharging? must you be turbocharging? must he be turbocharging? must we be turbocharging? must you be turbocharging? must they be turbocharging?
Perfect
must I have turbocharged? must you have turbocharged? must he have turbocharged? must we have turbocharged? must you have turbocharged? must they have turbocharged?
V-ing perfect
must I have been turbocharging? must you have been turbocharging? must he have been turbocharging? must we have been turbocharging? must you have been turbocharging? must they have been turbocharging?
Interro-negative form
Simple form
mustn't I turbocharge? mustn't you turbocharge? mustn't he turbocharge? mustn't we turbocharge? mustn't you turbocharge? mustn't they turbocharge?
V-ing form
mustn't I be turbocharging? mustn't you be turbocharging? mustn't he be turbocharging? mustn't we be turbocharging? mustn't you be turbocharging? mustn't they be turbocharging?
Perfect
mustn't I have turbocharged? mustn't you have turbocharged? mustn't he have turbocharged? mustn't we have turbocharged? mustn't you have turbocharged? mustn't they have turbocharged?
V-ing perfect
mustn't I have been turbocharging? mustn't you have been turbocharging? mustn't he have been turbocharging? mustn't we have been turbocharging? mustn't you have been turbocharging? mustn't they have been turbocharging?