F6 Grammar 2b

 Past simple

https://agendaweb.org/exercises/verbs/past-simple-regular

https://agendaweb.org/exercises/verbs/past-simple/negative-regular-forms 

https://www.montsemorales.com/gramatica/PastRegPdcCr.htm

https://agendaweb.org/exercises/verbs/simple-past-irregular-1 

https://agendaweb.org/exercises/verbs/simple-past-irregular-2

https://agendaweb.org/exercises/verbs/simple-past-irregular-3