PAST SIMPLE
https://www.perfect-english-grammar.com/past-simple-exercise-8.html
https://www.english-4u.de/en/tenses-exercises/past-simple.htm
https://test-english.com/grammar-points/a1/past-simple-regular-irregular/
https://www.ejerciciosinglesonline.com/new-exercises/ex1-pasado-simple/
PAST CONTINOUS
https://www.perfect-english-grammar.com/past-continuous-exercise-1.html
https://agendaweb.org/exercises/verbs/past-continuous/exercise-1.htm
https://www.superprof.es/apuntes/idiomas/ingles/gramatica-inglesa/verb-tense/exercises-past-continuous-i.html
https://www.curso-ingles.com/practicar/ejercicios/past-continuous
PAST PERFECT
https://www.perfect-english-grammar.com/past-perfect-exercise-1.html
https://test-english.com/grammar-points/a2/past-perfect/
https://agendaweb.org/exercises/verbs/past-perfect/exercise-1.htm
https://www.englisch-hilfen.de/en/exercises/tenses/past_perfect.htm
PAST PERFECT CONTINOUS
https://www.perfect-english-grammar.com/past-perfect-continuous-exercise-1.html
https://agendaweb.org/exercises/verbs/past-perfect/past-perfect-continuous.htm
https://www.ego4u.com/en/cram-up/grammar/past-perfect-progressive/exercises
https://www.superprof.es/apuntes/idiomas/ingles/gramatica-inglesa/verb-tense/exercises-past-perfect-continuous.html
Hafssa :https://www.curso-ingles.com/practicar/ejercicios/past-simple
Samya H :https://www.superprof.es/apuntes/idiomas/ingles/gramatica-inglesa/verb-tense/exercises-simple-past-iii.html