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