class 7: mixed grammar

http://www.englisch-hilfen.de/uebungen/zeiten/mix.htm

 
http://www.ego4u.de/de/cram-up/tests/language-course

https://www.english-grammar.at/online_exercises/tenses/t114-mixed-tenses.htm 

http://www.mein-lernen.at/index.php?option=com_content&view=article&id=1826:mixed-tenses-ue4&catid=534&Itemid=487

https://www.mein-lernen.at/englisch/tenses/uebungen/1826-mixed-tenses-ue4 

https://language-college.com/Training-ESL/Train-your-grammar/Tenses/English-mixed-tenses/Mixed-tenses-level-A1-and-A2/Grammar-Quiz-Mixed-Tenses-Level-2 

https://language-college.com/Training-ESL/Train-your-grammar/Tenses/English-mixed-tenses/Mixed-tenses-level-A1-and-A2/Grammar-Quiz-Mixed-Tenses-Level-3

https://test-english.com/grammar-points/a2/review-verb-tenses-a2/