may descale
Verbe régulier : descale - descaled- descaled
Traduction française : détartrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may descale
you may descale
she may descale
we may descale
you may descale
they may descale 	I may be descaling
you may be descaling
she may be descaling
we may be descaling
you may be descaling
they may be descaling	I may have descaled
you may have descaled
she may have descaled
we may have descaled
you may have descaled
they may have descaled	I may have been descaling
you may have been descaling
she may have been descaling
we may have been descaling
you may have been descaling
they may have been descaling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't descale
you mayn't descale
she mayn't descale
we mayn't descale
you mayn't descale
they mayn't descale 	I mayn't be descaling
you mayn't be descaling
she mayn't be descaling
we mayn't be descaling
you mayn't be descaling
they mayn't be descaling	I mayn't have descaled
you mayn't have descaled
she mayn't have descaled
we mayn't have descaled
you mayn't have descaled
they mayn't have descaled	I mayn't have been descaling
you mayn't have been descaling
she mayn't have been descaling
we mayn't have been descaling
you mayn't have been descaling
they mayn't have been descaling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I descale?
may you descale?
may she descale?
may we descale?
may you descale?
may they descale? 	may I be descaling?
may you be descaling?
may she be descaling?
may we be descaling?
may you be descaling?
may they be descaling? 	may I have descaled?
may you have descaled?
may she have descaled?
may we have descaled?
may you have descaled?
may they have descaled? 	may I have been descaling?
may you have been descaling?
may she have been descaling?
may we have been descaling?
may you have been descaling?
may they have been descaling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I descale?
mayn't you descale?
mayn't she descale?
mayn't we descale?
mayn't you descale?
mayn't they descale? 	mayn't I be descaling?
mayn't you be descaling?
mayn't she be descaling?
mayn't we be descaling?
mayn't you be descaling?
mayn't they be descaling? 	mayn't I have descaled?
mayn't you have descaled?
mayn't she have descaled?
mayn't we have descaled?
mayn't you have descaled?
mayn't they have descaled? 	mayn't I have been descaling?
mayn't you have been descaling?
mayn't she have been descaling?
mayn't we have been descaling?
mayn't you have been descaling?
mayn't they have been descaling?