Past perfect continous.

Examples:

• I'd been having breakfast when she finally arrived.
• I'd been waiting for two days before she told me the answer.

Past perfect.

Examples:

• I didn't have any money because I'd lost my wallet.
• I'd been to Paris before you went to Marsella.

Past simple.

Examples:

• It was a very great holiday.
• I didn't leave the cinema until the end of the film.