—It's elephant.
— No, it isn't my sweater.
—No, I (be not).

例:I have a book.
I have a Chinese book.
I have a new Chinese book.
⑴teacher A. 
⑵ball B. 
⑶school C. ![]()
⑷classroom D. 
⑸book E. 
—____________
Hello, I'm joe.
.