must pipette
Verbe régulier : pipette - pipetted- pipetted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must pipette
you must pipette
she must pipette
we must pipette
you must pipette
they must pipette 	I must be pipetting
you must be pipetting
she must be pipetting
we must be pipetting
you must be pipetting
they must be pipetting	I must have pipetted
you must have pipetted
she must have pipetted
we must have pipetted
you must have pipetted
they must have pipetted	I must have been pipetting
you must have been pipetting
she must have been pipetting
we must have been pipetting
you must have been pipetting
they must have been pipetting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't pipette
you mustn't pipette
she mustn't pipette
we mustn't pipette
you mustn't pipette
they mustn't pipette 	I mustn't be pipetting
you mustn't be pipetting
she mustn't be pipetting
we mustn't be pipetting
you mustn't be pipetting
they mustn't be pipetting	I mustn't have pipetted
you mustn't have pipetted
she mustn't have pipetted
we mustn't have pipetted
you mustn't have pipetted
they mustn't have pipetted	I mustn't have been pipetting
you mustn't have been pipetting
she mustn't have been pipetting
we mustn't have been pipetting
you mustn't have been pipetting
they mustn't have been pipetting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I pipette?
must you pipette?
must she pipette?
must we pipette?
must you pipette?
must they pipette? 	must I be pipetting?
must you be pipetting?
must she be pipetting?
must we be pipetting?
must you be pipetting?
must they be pipetting? 	must I have pipetted?
must you have pipetted?
must she have pipetted?
must we have pipetted?
must you have pipetted?
must they have pipetted? 	must I have been pipetting?
must you have been pipetting?
must she have been pipetting?
must we have been pipetting?
must you have been pipetting?
must they have been pipetting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I pipette?
mustn't you pipette?
mustn't she pipette?
mustn't we pipette?
mustn't you pipette?
mustn't they pipette? 	mustn't I be pipetting?
mustn't you be pipetting?
mustn't she be pipetting?
mustn't we be pipetting?
mustn't you be pipetting?
mustn't they be pipetting? 	mustn't I have pipetted?
mustn't you have pipetted?
mustn't she have pipetted?
mustn't we have pipetted?
mustn't you have pipetted?
mustn't they have pipetted? 	mustn't I have been pipetting?
mustn't you have been pipetting?
mustn't she have been pipetting?
mustn't we have been pipetting?
mustn't you have been pipetting?
mustn't they have been pipetting?