I must fluoridate you must fluoridate she must fluoridate we must fluoridate you must fluoridate they must fluoridate
Forme en V-ing
I must be fluoridating you must be fluoridating she must be fluoridating we must be fluoridating you must be fluoridating they must be fluoridating
Perfect
I must have fluoridated you must have fluoridated she must have fluoridated we must have fluoridated you must have fluoridated they must have fluoridated
Perfect en V-ing
I must have been fluoridating you must have been fluoridating she must have been fluoridating we must have been fluoridating you must have been fluoridating they must have been fluoridating
Négation
Forme simple
I must not fluoridate you must not fluoridate she must not fluoridate we must not fluoridate you must not fluoridate they must not fluoridate
Forme en V-ing
I must not be fluoridating you must not be fluoridating she must not be fluoridating we must not be fluoridating you must not be fluoridating they must not be fluoridating
Perfect
I must not have fluoridated you must not have fluoridated she must not have fluoridated we must not have fluoridated you must not have fluoridated they must not have fluoridated
Perfect en V-ing
I must not have been fluoridating you must not have been fluoridating she must not have been fluoridating we must not have been fluoridating you must not have been fluoridating they must not have been fluoridating
Forme interrogative
Forme simple
must I fluoridate? must you fluoridate? must she fluoridate? must we fluoridate? must you fluoridate? must they fluoridate?
Forme en V-ing
must I be fluoridating? must you be fluoridating? must she be fluoridating? must we be fluoridating? must you be fluoridating? must they be fluoridating?
Perfect
must I have fluoridated? must you have fluoridated? must she have fluoridated? must we have fluoridated? must you have fluoridated? must they have fluoridated?
Perfect en V-ing
must I have been fluoridating? must you have been fluoridating? must she have been fluoridating? must we have been fluoridating? must you have been fluoridating? must they have been fluoridating?
Forme interro-négative
Forme simple
must I not fluoridate? must you not fluoridate? must she not fluoridate? must we not fluoridate? must you not fluoridate? must they not fluoridate?
Forme en V-ing
must I not be fluoridating? must you not be fluoridating? must she not be fluoridating? must we not be fluoridating? must you not be fluoridating? must they not be fluoridating?
Perfect
must I not have fluoridated? must you not have fluoridated? must she not have fluoridated? must we not have fluoridated? must you not have fluoridated? must they not have fluoridated?
Perfect en V-ing
must I not have been fluoridating? must you not have been fluoridating? must she not have been fluoridating? must we not have been fluoridating? must you not have been fluoridating? must they not have been fluoridating?