Choose the correct forms of the verbs to complete the text
Helen: I saw Emma in the street yesterday morning and she [cried|was crying|had cried|had been crying].
Jim: What was the matter?
Helen: She told me she [lost|was losing|had lost|had been losing] her dog. She said she [looked|was looking|had looked|had been looking] for her dog for three days, but the dog was nowhere to be seen.
Jim: Oh, my goodness! How [did it happen|was it happening|had it happened|had it been happening]?
Helen: Emma [walked|was walking|had walked|had been walking] with her dog in the park when suddenly her dog [saw|was seeing|had seen|had been seeing] a cat and [ran|was running|had run|had been running] after it.
Jim: Wasn't the dog on a lead?
Helen: Yes, it was, but it managed to run away. Emma was shocked because her dog [never did|was never doing|had never done|had never been doing] that before. She ran after it, of course, but the dog disappeared.
Jim: I think Emma should post a photo of her dog on social media.
Helen: I think she has already done that. When I saw her yesterday, she [walked|was walking|had walked|had been walking] around the neighbourhood and posting printed posters with her dog's name and its photo in the area.
Jim: I hope that'll work out for her.