Подставьте в предложения нужную форму глагола to be (am , is , are).1. This woman ... my mother. 2. Henry and Tom ... dog experts. 3. I ... a baby-sitter. 4. They ... not friends. 5. She ... not a beatiful girl. 6. Sam ... not ...

Подставьте в предложения нужную форму глагола to be (am , is , are). 1. This woman ... my mother. 2. Henry and Tom ... dog experts. 3. I ... a baby-sitter. 4. They ... not friends. 5. She ... not a beatiful girl. 6. Sam ... not funny. 7. ... I clever? - Yes, you ... . 8. ... his brother a farmer? - No, he ... not. 9. ... Ben a happy boy? - Yes, he ...