must fence
Verbe régulier : fence - fenced- fenced
Traduction française : clôturer - faire de l'escrime 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must fence
you must fence
she must fence
we must fence
you must fence
they must fence 	I must be fencing
you must be fencing
she must be fencing
we must be fencing
you must be fencing
they must be fencing	I must have fenced
you must have fenced
she must have fenced
we must have fenced
you must have fenced
they must have fenced	I must have been fencing
you must have been fencing
she must have been fencing
we must have been fencing
you must have been fencing
they must have been fencing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't fence
you mustn't fence
she mustn't fence
we mustn't fence
you mustn't fence
they mustn't fence 	I mustn't be fencing
you mustn't be fencing
she mustn't be fencing
we mustn't be fencing
you mustn't be fencing
they mustn't be fencing	I mustn't have fenced
you mustn't have fenced
she mustn't have fenced
we mustn't have fenced
you mustn't have fenced
they mustn't have fenced	I mustn't have been fencing
you mustn't have been fencing
she mustn't have been fencing
we mustn't have been fencing
you mustn't have been fencing
they mustn't have been fencing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I fence?
must you fence?
must she fence?
must we fence?
must you fence?
must they fence? 	must I be fencing?
must you be fencing?
must she be fencing?
must we be fencing?
must you be fencing?
must they be fencing? 	must I have fenced?
must you have fenced?
must she have fenced?
must we have fenced?
must you have fenced?
must they have fenced? 	must I have been fencing?
must you have been fencing?
must she have been fencing?
must we have been fencing?
must you have been fencing?
must they have been fencing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I fence?
mustn't you fence?
mustn't she fence?
mustn't we fence?
mustn't you fence?
mustn't they fence? 	mustn't I be fencing?
mustn't you be fencing?
mustn't she be fencing?
mustn't we be fencing?
mustn't you be fencing?
mustn't they be fencing? 	mustn't I have fenced?
mustn't you have fenced?
mustn't she have fenced?
mustn't we have fenced?
mustn't you have fenced?
mustn't they have fenced? 	mustn't I have been fencing?
mustn't you have been fencing?
mustn't she have been fencing?
mustn't we have been fencing?
mustn't you have been fencing?
mustn't they have been fencing?