I must ring-fence you must ring-fence he must ring-fence we must ring-fence you must ring-fence they must ring-fence
V-ing form
I must be ring-fencing you must be ring-fencing he must be ring-fencing we must be ring-fencing you must be ring-fencing they must be ring-fencing
Perfect
I must have ring-fenced you must have ring-fenced he must have ring-fenced we must have ring-fenced you must have ring-fenced they must have ring-fenced
V-ing perfect
I must have been ring-fencing you must have been ring-fencing he must have been ring-fencing we must have been ring-fencing you must have been ring-fencing they must have been ring-fencing
Negation
Simple form
I mustn't ring-fence you mustn't ring-fence he mustn't ring-fence we mustn't ring-fence you mustn't ring-fence they mustn't ring-fence
V-ing form
I mustn't be ring-fencing you mustn't be ring-fencing he mustn't be ring-fencing we mustn't be ring-fencing you mustn't be ring-fencing they mustn't be ring-fencing
Perfect
I mustn't have ring-fenced you mustn't have ring-fenced he mustn't have ring-fenced we mustn't have ring-fenced you mustn't have ring-fenced they mustn't have ring-fenced
V-ing perfect
I mustn't have been ring-fencing you mustn't have been ring-fencing he mustn't have been ring-fencing we mustn't have been ring-fencing you mustn't have been ring-fencing they mustn't have been ring-fencing
Interrogative form
Simple form
must I ring-fence? must you ring-fence? must he ring-fence? must we ring-fence? must you ring-fence? must they ring-fence?
V-ing form
must I be ring-fencing? must you be ring-fencing? must he be ring-fencing? must we be ring-fencing? must you be ring-fencing? must they be ring-fencing?
Perfect
must I have ring-fenced? must you have ring-fenced? must he have ring-fenced? must we have ring-fenced? must you have ring-fenced? must they have ring-fenced?
V-ing perfect
must I have been ring-fencing? must you have been ring-fencing? must he have been ring-fencing? must we have been ring-fencing? must you have been ring-fencing? must they have been ring-fencing?
Interro-negative form
Simple form
mustn't I ring-fence? mustn't you ring-fence? mustn't he ring-fence? mustn't we ring-fence? mustn't you ring-fence? mustn't they ring-fence?
V-ing form
mustn't I be ring-fencing? mustn't you be ring-fencing? mustn't he be ring-fencing? mustn't we be ring-fencing? mustn't you be ring-fencing? mustn't they be ring-fencing?
Perfect
mustn't I have ring-fenced? mustn't you have ring-fenced? mustn't he have ring-fenced? mustn't we have ring-fenced? mustn't you have ring-fenced? mustn't they have ring-fenced?
V-ing perfect
mustn't I have been ring-fencing? mustn't you have been ring-fencing? mustn't he have been ring-fencing? mustn't we have been ring-fencing? mustn't you have been ring-fencing? mustn't they have been ring-fencing?