Peter is the first name.改为同义句 His name is Tony.改为否定句

1.Peter is the first name.
= The first/given name is Peter.
= Peter is the given name.
在外国,first name = given name 名字
2.变否定句：
His name isn't Tony.
或：His name is not Tony.
如果有不明白之处,可以再问.