https://www.topworksheets.com/en/english-language/vocabulary/school-timetable-64381aa98e460
https://www.liveworksheets.com/es/w/en/english-second-language-esl/395343
https://argienglish.blogspot.com/2024/03/153-present-simple-and-hw.html
https://argienglish.blogspot.com/2024/03/153-present-continuous-and-simple.html
https://agendaweb.org/exercises/verbs/present-continuous-progressive/questions-write.htm
https://agendaweb.org/exercises/verbs/present-continuous-progressive/affirmative-write.htm