1.Jack Black isn't in. Jack Black is away.
2. Sophia isn't my assistant. Sophia is his assistant.
3. Fred isn't back at nine. He is back at ten.
4. Carmen isn't from Italy. Carmen is from Spain.
5.We're not Italian. We are Russian.
6.Tom and Jerry aren't Russian. Tom and Jerry are American.
7. Ivan's nit twenty. Ivan is 29.