Choose the correct verb forms to complete the sentences.

Choose the correct option.

When I [arrived|had arrived] at the theatre, I understood that I [forgot|had forgotten] the tickets at home.

Mia [went|had gone] to the clothes shop; she [bought|had bought] a new pair of jeans there and then [went|had gone] home.

Joe [was doing|had been doing] yoga for only a few minutes when his friend [called|had called] him.

When Henry [came|had come] to school, everybody [was trying|had been trying] to talk to him.