Past simple

https://www.britishcouncil.org.mx/
https://www.britishcouncil.co/
https://www.britanico.cl/

vosse pasive

https://learn.abaenglish.com/es/registro/
https://www.openenglish.com/blog/es

Past participle

https://www.abaenglish.com/es/verbos-ingles/past-participle/
https://speakingo.com/es/past-participle-present-que-es-ingles/

present perfect

https://www.britishcouncil.org.mx/blog/present-perfect