We use the inversion strategy when we want what we are saying to sound more carefully considered and it is also characteristic of more formal and literary styles.

Grammar Reference Inversion We use adverbial inversion for drama, emphasis or formality. Form: Move the adverb / adverbial phrase to the beginning of the sentence, and switch the subject and ...

Inversion in conditional sentences We can use inversion in certain types of conditional sentences when the if-clause begins with had, were or should.