It 'ought not' ('to') make any difference. [=(more commonly) it shouldn't make any difference]
Children 'ought not' [='should not'] run near the pool.
If my math is correct, the result 'ought to' be zero.
(..) as a young man. And this, this is a work by Gregory the Great. Now, he asks questions such as, "What kind of man he is or ought to be, who is to rule?" And, "Can the occupation of power distract the mind of the ruler?" Yes, well, I can see that you're bored already. (..)2017 TvShow: Vikings Title: The Great Army Season: 4 Episode 17
(..) with your father-in-law. It grieves us deeply. We pray that you will return to your wedded husband and behave as a Christian wife ought to behave. I am grateful for your concern, Mother. But there is no need to pray for me. If we do not pray for (..)2017 TvShow: Vikings Title: The Great Army Season: 4 Episode 17