根据括号内的要求,改写下列英语句子
1.This is her mother.改为一般疑问句
2.It is an orange.改为否定句
3.Is that your jacket?做肯定回答
4.My name is Tina.改为一般疑问句
5.I am Nick .改为一般疑问句
6.This is a white cup.对a white cup提问