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2 She was very cold because she hadn't taken her coat.
3 The printer didn't work because he hadn't turned off.
4 I couldn't take a photo of the crocodile because I had forgotten to charge the battery.
5 They had never flown before and they were very nervous.
6 When he arrived at the pool he realized he hadn't brought his swimsuit.
7 She had just had dinner, so she wasn't hungry.
8 She had to pay again because had lost her ticket.
9 The waitress ran after him because he hadn't paid the bill.
10 The fire engine arrived after the fire had gone out.
11 They could speak French because they had learnt it at school.
12 She was tired because she had been in the queue all night.