When I looked at my watch, I realized that I missed a bus.

When I looked at my watch, I realised that I was missed additional classes. 

When I was lookes at my watch, I realised that I has late to watch the film.

When i looked at my watch i realized thet i forgot about my homework.

Tome was upset because he broke his Phone.

Tom was upset, because he forgot his suitcase.

Tom was upset because he had been sleeping too much.

Tom was upset because he hadn't walked in park.