[مستر محمد ديوشي عطا]

Past simple + because / since / as+ past simple / past continuous / Past perfect / Past perfect continuous

- I didn’t meet my sister because /since / as she had travelled to Paris.
- He didn’t hear the mobile ringing because /since / as he was asleep.
- I was very tired because /since / as I had been working all day.
- She couldn’t help her mother because /since / as she was doing homework.