Level 8 Teens 

Past perfect

https://www.ego4u.com/en/cram-up/grammar/simpas-pasper/exercises?ex07

https://www.ego4u.com/en/cram-up/grammar/simpas-pasper/exercises?ex08

https://www.ego4u.com/en/cram-up/grammar/simpas-pasper/tests?test1

https://www.ego4u.com/en/cram-up/grammar/simpas-pasper/tests?test2

 

Used to

http://www.englishexercises.org/makeagame/viewgame.asp?id=3728

https://elt.oup.com/student/solutions1stedition/int_unit_page/unit2/grammar/exercise2?cc=cz&selLanguage=cs

http://www.englishexercises.org/makeagame/viewgame.asp?id=1230

http://www.englishgrammarsecrets.com/usedto/exercise1.html

 

Past passive

https://www.ego4u.com/en/cram-up/grammar/passive/exercises?simple-past

https://www.englisch-hilfen.de/en/exercises/active_passive/sentences_simple_past.htm

https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-59106.php

 

Do or Make

http://www.perfect-english-grammar.com/make-or-do-exercise-4.html

 

Although

http://wwwedu.ge.ch/cptic/prospective/projets/anglais/exercises/although.htm