PRESENT PERFECT VS. PAST SIMPPLE

 EASY

https://www.liveworksheets.com/w/en/english-second-language-esl/246450

https://www.liveworksheets.com/w/en/english-second-language-esl/2116124

https://www.liveworksheets.com/w/en/english-second-language-esl/473082

MEDIUM

https://www.liveworksheets.com/w/en/english-second-language-esl/179296

https://www.liveworksheets.com/w/en/english-second-language-esl/46974

HARD

https://www.liveworksheets.com/w/en/english-second-language-esl/58806

https://www.liveworksheets.com/w/en/idioma-extranjero/366038

https://www.liveworksheets.com/w/en/english-second-language-esl/326631