You're having dinner with your family. Suddenly your chest starts to hurt. You're worried about it. Someone asks you what's wrong, so you say:
I'm having chest pains.
body, emergency, health, pain, progressive aspect 
You're an administrator at a school. You're giving a presentation to the teachers about your school's plan for what to do in an emergency. You start by telling them the most important point:
First and most importantly, you need to make sure that all your students are accounted for.
clauses, disaster, emergency, lists, natural disasters, plans, presentation, teachers 
You're watching the news and you hear some news about a volcano. The newscaster says:
Mount Shinmoedake, a volcano in southern Japan, began erupting earlier this week.
TV, emergency, gerund, natural disasters, news You're going on vacation. You're leaving an e-mail out-of-office message to let people know that you won't answer their e-mails. But you want people to call you if there's an emergency, so you write:
If there are any issues that require immediate attention, I can be reached on my mobile at 646-469-XXXX.
