Hi there!

Here you can find some exercises to practice with USED TO, BE USED TO, and BE GETTING USED TO:

https://www.myenglishpages.com/english/grammar-exercise-used-to.php

https://www.esl-lounge.com/student/grammar/4g68-used-to-be-used-to.php

https://www.learn-english-today.com/lessons/lesson_contents/exercises/usedto_tobe-getusedto_gapfill-ex1.html

https://www.usingenglish.com/quizzes/115.html

http://www.autoenglish.org/modalverbs/gr.used.i.htm

 Hey, there!

Here you can find some execises to practice with INDEFINITE PRONOUNS:

EXPLANATION AND EXAMPLES: http://www.ef.com/english-resources/english-grammar/indefinite-pronouns/

• https://learnenglish.britishcouncil.org/es/english-grammar/pronouns/indefinite-pronouns
• https://elt.oup.com/student/solutions/int/grammar/grammar_08_022e?cc=mx&selLanguage=en
• http://www.englishexercises.org/makeagame/viewgame.asp?id=1761
• http://www.eflnet.com/grammar/indefpronoun.php
• https://www.vitutor.com/gramatica_inglesa/pronouns/pronouns_ej11.html