Кто отлично понимает британский 7 класс Past simple and past continuous

I was watcing the news when i saw an interesting story
When the helicopter found him a lot of people was looking him
When he was running out of water he still tried to find the ranch
It wasnt raining when Tom started his run
He lost his sunglasses while he was walking in the outback
Когда деянье длится долгое время то это past continuous, а когда короткое деянье, то это past simple
В последнем предложении: он растерял очки, дествие вышло живо, past simple, потерял очки когла гулял, гулял длинно, past continuous