Răspuns:
ex 2. 1) past continuous
2) past simple
ex 3. 1)Went
2) got
3)survived
4)found
5)was hiding
6)didn't recognize
ex 4. 1)Brennan went to Scout Camp.
2) When Brennan went to a walk, he got lost in the woods.
3) He survived for four days alone.
4)Brennan was hiding in the trees when rescruers found him.
5) Brennan was hiding because he didn't recognize the rescruers.
ex 5. 1)He was running away.
2)When the bear attacked.
3) After "when" comes the past simple tense.
4) After "while" comes the past continuous tense.