I should fluoridate you should fluoridate he should fluoridate we should fluoridate you should fluoridate they should fluoridate
V-ing form
I should be fluoridating you should be fluoridating he should be fluoridating we should be fluoridating you should be fluoridating they should be fluoridating
Perfect
I should have fluoridated you should have fluoridated he should have fluoridated we should have fluoridated you should have fluoridated they should have fluoridated
V-ing perfect
I should have been fluoridating you should have been fluoridating he should have been fluoridating we should have been fluoridating you should have been fluoridating they should have been fluoridating
Negation
Simple form
I should not fluoridate you should not fluoridate he should not fluoridate we should not fluoridate you should not fluoridate they should not fluoridate
V-ing form
I should not be fluoridating you should not be fluoridating he should not be fluoridating we should not be fluoridating you should not be fluoridating they should not be fluoridating
Perfect
I should not have fluoridated you should not have fluoridated he should not have fluoridated we should not have fluoridated you should not have fluoridated they should not have fluoridated
V-ing perfect
I should not have been fluoridating you should not have been fluoridating he should not have been fluoridating we should not have been fluoridating you should not have been fluoridating they should not have been fluoridating
Interrogative form
Simple form
should I fluoridate? should you fluoridate? should he fluoridate? should we fluoridate? should you fluoridate? should they fluoridate?
V-ing form
should I be fluoridating? should you be fluoridating? should he be fluoridating? should we be fluoridating? should you be fluoridating? should they be fluoridating?
Perfect
should I have fluoridated? should you have fluoridated? should he have fluoridated? should we have fluoridated? should you have fluoridated? should they have fluoridated?
V-ing perfect
should I have been fluoridating? should you have been fluoridating? should he have been fluoridating? should we have been fluoridating? should you have been fluoridating? should they have been fluoridating?
Interro-negative form
Simple form
should I not fluoridate? should you not fluoridate? should he not fluoridate? should we not fluoridate? should you not fluoridate? should they not fluoridate?
V-ing form
should I not be fluoridating? should you not be fluoridating? should he not be fluoridating? should we not be fluoridating? should you not be fluoridating? should they not be fluoridating?
Perfect
should I not have fluoridated? should you not have fluoridated? should he not have fluoridated? should we not have fluoridated? should you not have fluoridated? should they not have fluoridated?
V-ing perfect
should I not have been fluoridating? should you not have been fluoridating? should he not have been fluoridating? should we not have been fluoridating? should you not have been fluoridating? should they not have been fluoridating?