Naturally, That is English, a language where grammatical distinctions are sometimes fuzzy, and just one could argue that at best modifies was in the initial sentence. The key thing to grasp is always that at best is effective in general to modify another thing, and it follows the everyday rules https://npk-fertilizer-afghanista78912.bloggactif.com/38921108/the-smart-trick-of-magnesium-sulphate-suppliers-kanpur-that-no-one-is-discussing