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