must fluoridate
Verbo regular: fluoridate - fluoridated- fluoridated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must fluoridate
you must fluoridate
he must fluoridate
we must fluoridate
you must fluoridate
they must fluoridate 	I must be fluoridating
you must be fluoridating
he must be fluoridating
we must be fluoridating
you must be fluoridating
they must be fluoridating	I must have fluoridated
you must have fluoridated
he must have fluoridated
we must have fluoridated
you must have fluoridated
they must have fluoridated	I must have been fluoridating
you must have been fluoridating
he must have been fluoridating
we must have been fluoridating
you must have been fluoridating
they must have been fluoridating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't fluoridate
you mustn't fluoridate
he mustn't fluoridate
we mustn't fluoridate
you mustn't fluoridate
they mustn't fluoridate 	I mustn't be fluoridating
you mustn't be fluoridating
he mustn't be fluoridating
we mustn't be fluoridating
you mustn't be fluoridating
they mustn't be fluoridating	I mustn't have fluoridated
you mustn't have fluoridated
he mustn't have fluoridated
we mustn't have fluoridated
you mustn't have fluoridated
they mustn't have fluoridated	I mustn't have been fluoridating
you mustn't have been fluoridating
he mustn't have been fluoridating
we mustn't have been fluoridating
you mustn't have been fluoridating
they mustn't have been fluoridating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I fluoridate?
must you fluoridate?
must he fluoridate?
must we fluoridate?
must you fluoridate?
must they fluoridate? 	must I be fluoridating?
must you be fluoridating?
must he be fluoridating?
must we be fluoridating?
must you be fluoridating?
must they be fluoridating? 	must I have fluoridated?
must you have fluoridated?
must he have fluoridated?
must we have fluoridated?
must you have fluoridated?
must they have fluoridated? 	must I have been fluoridating?
must you have been fluoridating?
must he have been fluoridating?
must we have been fluoridating?
must you have been fluoridating?
must they have been fluoridating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I fluoridate?
mustn't you fluoridate?
mustn't he fluoridate?
mustn't we fluoridate?
mustn't you fluoridate?
mustn't they fluoridate? 	mustn't I be fluoridating?
mustn't you be fluoridating?
mustn't he be fluoridating?
mustn't we be fluoridating?
mustn't you be fluoridating?
mustn't they be fluoridating? 	mustn't I have fluoridated?
mustn't you have fluoridated?
mustn't he have fluoridated?
mustn't we have fluoridated?
mustn't you have fluoridated?
mustn't they have fluoridated? 	mustn't I have been fluoridating?
mustn't you have been fluoridating?
mustn't he have been fluoridating?
mustn't we have been fluoridating?
mustn't you have been fluoridating?
mustn't they have been fluoridating?