Sắp xếp các từ để tạo thành câu hỏi

Sắp xếp các từ để tạo thành câu hỏi

would / had / you / reacted / how / been / in / situation / his / if / you / ?
been / had / taken / measures / proper / could / accident / the / prevented / have / ?
what / might / happened / had / he / not / arrived / in / time / ?
ever / have / experienced / something / so / breathtaking / before / you / ?
whose / car / was / parked / outside / the / house / last / night / ?