You, we, they - aren't/are
She, he, it - isn't/is
I - am not/am
3. No, we aren't late.
4. No, Dan isn't English.
5. No, Tokyo isn't in China.
6. No, he isn't American.
7. No, you aren't in my class.
8 No, I'm not Brazilian.
9. No, they aren't German.
10 No, she isn't from Madrid.