II° Medio

Past Simple Passive 

Exercise 1,
Was / Were + Participle (regular & irregular),
Emergency workers did the …, …

Past passive

Past simple passive
Was / Were + Participle (regular & irregular)
Chaitén – destroy – a …

Past Simple Passive 

Exercise 3,
Was / Were + Participle (regular & irregular),
The water / contaminate? …, …