must yield
Verbe régulier : yield - yielded- yielded
Traduction française : céder - produire 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must yield
you must yield
she must yield
we must yield
you must yield
they must yield 	I must be yielding
you must be yielding
she must be yielding
we must be yielding
you must be yielding
they must be yielding	I must have yielded
you must have yielded
she must have yielded
we must have yielded
you must have yielded
they must have yielded	I must have been yielding
you must have been yielding
she must have been yielding
we must have been yielding
you must have been yielding
they must have been yielding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't yield
you mustn't yield
she mustn't yield
we mustn't yield
you mustn't yield
they mustn't yield 	I mustn't be yielding
you mustn't be yielding
she mustn't be yielding
we mustn't be yielding
you mustn't be yielding
they mustn't be yielding	I mustn't have yielded
you mustn't have yielded
she mustn't have yielded
we mustn't have yielded
you mustn't have yielded
they mustn't have yielded	I mustn't have been yielding
you mustn't have been yielding
she mustn't have been yielding
we mustn't have been yielding
you mustn't have been yielding
they mustn't have been yielding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I yield?
must you yield?
must she yield?
must we yield?
must you yield?
must they yield? 	must I be yielding?
must you be yielding?
must she be yielding?
must we be yielding?
must you be yielding?
must they be yielding? 	must I have yielded?
must you have yielded?
must she have yielded?
must we have yielded?
must you have yielded?
must they have yielded? 	must I have been yielding?
must you have been yielding?
must she have been yielding?
must we have been yielding?
must you have been yielding?
must they have been yielding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I yield?
mustn't you yield?
mustn't she yield?
mustn't we yield?
mustn't you yield?
mustn't they yield? 	mustn't I be yielding?
mustn't you be yielding?
mustn't she be yielding?
mustn't we be yielding?
mustn't you be yielding?
mustn't they be yielding? 	mustn't I have yielded?
mustn't you have yielded?
mustn't she have yielded?
mustn't we have yielded?
mustn't you have yielded?
mustn't they have yielded? 	mustn't I have been yielding?
mustn't you have been yielding?
mustn't she have been yielding?
mustn't we have been yielding?
mustn't you have been yielding?
mustn't they have been yielding?