These are OK: There were petrol boats three miles off the coast that were instructed to shoot anyone that came within 10 feet of them , which is why I wasn't able to escape. There have been petrol boats three miles off the coast that were/are instructed to shoot if anyone comes within 10 feet of them , which is why I haven't been able to escape.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.