Inversion exercises

Dear students,
As I know you are finding inversion in English troublesome, here you have some exercises for you to practise this grammatical construction. 
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-88760.php
http://random-idea-english.blogspot.com.es/2011/05/negative-inversion-practice-exercises.html
http://www.perfect-english-grammar.com/inversion-exercise-1.html