English verb conjugation
MUST RING-FENCE

Regular verb: ring-fence - ring-fenced - ring-fenced

Affirmation

Simple form	V-ing form
I must ring-fence you must ring-fence she must ring-fence we must ring-fence you must ring-fence they must ring-fence	I must be ring-fencing you must be ring-fencing she must be ring-fencing we must be ring-fencing you must be ring-fencing they must be ring-fencing
Perfect	V-ing perfect
I must have ring-fenced you must have ring-fenced she must have ring-fenced we must have ring-fenced you must have ring-fenced they must have ring-fenced	I must have been ring-fencing you must have been ring-fencing she 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	V-ing form
I must not ring-fence you must not ring-fence she must not ring-fence we must not ring-fence you must not ring-fence they must not ring-fence	I must not be ring-fencing you must not be ring-fencing she must not be ring-fencing we must not be ring-fencing you must not be ring-fencing they must not be ring-fencing
Perfect	V-ing perfect
I must not have ring-fenced you must not have ring-fenced she must not have ring-fenced we must not have ring-fenced you must not have ring-fenced they must not have ring-fenced	I must not have been ring-fencing you must not have been ring-fencing she must not have been ring-fencing we must not have been ring-fencing you must not have been ring-fencing they must not have been ring-fencing

Interrogative form

Simple form	V-ing form
must I ring-fence? must you ring-fence? must she ring-fence? must we ring-fence? must you ring-fence? must they ring-fence?	must I be ring-fencing? must you be ring-fencing? must she be ring-fencing? must we be ring-fencing? must you be ring-fencing? must they be ring-fencing?
Perfect	V-ing perfect
must I have ring-fenced? must you have ring-fenced? must she have ring-fenced? must we have ring-fenced? must you have ring-fenced? must they have ring-fenced?	must I have been ring-fencing? must you have been ring-fencing? must she 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	V-ing form
must I not ring-fence? must you not ring-fence? must she not ring-fence? must we not ring-fence? must you not ring-fence? must they not ring-fence?	must I not be ring-fencing? must you not be ring-fencing? must she not be ring-fencing? must we not be ring-fencing? must you not be ring-fencing? must they not be ring-fencing?
Perfect	V-ing perfect
must I not have ring-fenced? must you not have ring-fenced? must she not have ring-fenced? must we not have ring-fenced? must you not have ring-fenced? must they not have ring-fenced?	must I not have been ring-fencing? must you not have been ring-fencing? must she not have been ring-fencing? must we not have been ring-fencing? must you not have been ring-fencing? must they not have been ring-fencing?