https://www.gamestolearnenglish.com/past-tense-game/

https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_simple_present.htm

https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_simple_present_negation.htm

https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_simple_present_questions.htm

https://breakingnewsenglish.com/2103/210309-animal-ears-0.html

https://elt.oup.com/student/stepsplus/lv2/?cc=pl&selLanguage=pl

https://quizlet.com/pl/400258411/steps-plus-5-unit-6-flash-cards/

https://quizlet.com/382757256/steps-plus-v-unit-7-people-flash-cards/