Complete the dialogue with may (not) / might (not) or could and the verbs in brackets. More than one answer is possible.

It's tied up and the water is coming in. It 1 might not escape.
There's someone on the beach. She 2 might go into the cave.
She 3 could help it to escape.
But she's looking at her phone - she 4 might not see the cave.
Look, there's another boat. Someone 5 might call the emergency services.
But they 6 might not arrive in time. Let's try and rescue it now.