10 предложение с to be :
1) I want to be doctor
2) I am going to the museum
3) I was in the swimming pool last Sunday
4) I was listening to music 10 minutes ago
5) I have been in France
6) Polina is going to be an artist
7) Louis is beautiful young man
8) My father was a musician, but he is a signer now
9) This girl is like my best friend Sofia
10 ) I was reading my new book about animals at 14:00