помогите пожалуйста с английским, нужно срочно, даю 35 баллов. Сделать нужно только 11 номер.

а остальные? и где was/were?

I was reading a book when I had a strange noise While we swimming it started to rainI getting readying for the party when my friends phoned me

1. I was reading a book when I heard a strange noise.2. While we were swimming it started to rain.3. I was getting ready for the party when my friend phoned me. 4. We were shopping when we saw them.5. ?6. I found this key while I was tidying up my room.7. My father and I were playing chess when my cousins arrived.8. My mom was having tea with her friend when I arrived.