must lemmatise
Verbe régulier : lemmatise - lemmatised- lemmatised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must lemmatise
you must lemmatise
he must lemmatise
we must lemmatise
you must lemmatise
they must lemmatise 	I must be lemmatising
you must be lemmatising
he must be lemmatising
we must be lemmatising
you must be lemmatising
they must be lemmatising	I must have lemmatised
you must have lemmatised
he must have lemmatised
we must have lemmatised
you must have lemmatised
they must have lemmatised	I must have been lemmatising
you must have been lemmatising
he must have been lemmatising
we must have been lemmatising
you must have been lemmatising
they must have been lemmatising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't lemmatise
you mustn't lemmatise
he mustn't lemmatise
we mustn't lemmatise
you mustn't lemmatise
they mustn't lemmatise 	I mustn't be lemmatising
you mustn't be lemmatising
he mustn't be lemmatising
we mustn't be lemmatising
you mustn't be lemmatising
they mustn't be lemmatising	I mustn't have lemmatised
you mustn't have lemmatised
he mustn't have lemmatised
we mustn't have lemmatised
you mustn't have lemmatised
they mustn't have lemmatised	I mustn't have been lemmatising
you mustn't have been lemmatising
he mustn't have been lemmatising
we mustn't have been lemmatising
you mustn't have been lemmatising
they mustn't have been lemmatising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I lemmatise?
must you lemmatise?
must he lemmatise?
must we lemmatise?
must you lemmatise?
must they lemmatise? 	must I be lemmatising?
must you be lemmatising?
must he be lemmatising?
must we be lemmatising?
must you be lemmatising?
must they be lemmatising? 	must I have lemmatised?
must you have lemmatised?
must he have lemmatised?
must we have lemmatised?
must you have lemmatised?
must they have lemmatised? 	must I have been lemmatising?
must you have been lemmatising?
must he have been lemmatising?
must we have been lemmatising?
must you have been lemmatising?
must they have been lemmatising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I lemmatise?
mustn't you lemmatise?
mustn't he lemmatise?
mustn't we lemmatise?
mustn't you lemmatise?
mustn't they lemmatise? 	mustn't I be lemmatising?
mustn't you be lemmatising?
mustn't he be lemmatising?
mustn't we be lemmatising?
mustn't you be lemmatising?
mustn't they be lemmatising? 	mustn't I have lemmatised?
mustn't you have lemmatised?
mustn't he have lemmatised?
mustn't we have lemmatised?
mustn't you have lemmatised?
mustn't they have lemmatised? 	mustn't I have been lemmatising?
mustn't you have been lemmatising?
mustn't he have been lemmatising?
mustn't we have been lemmatising?
mustn't you have been lemmatising?
mustn't they have been lemmatising?