Write yes/no questions and answers in the past perfect.
✓ = yes, ✗= no.
Dylan / hear / about the volcanic eruption / (✗)
Had Dylan heard about the volcanic eruption
No, he hadn't
you / be / to San Francisco before the earthquake / (✓)
the volcano / be / quiet for several months (✓)
Sally / read / the article before class / (✗)
your parents / tell / about the flood / (✗)
you and your brother / see / a tornado / before / (✓)
Ayúdenme tengo un fin de semana difícil
