英语一般疑问句的回答技巧,麻烦大家来看看~

题目

英语一般疑问句的回答技巧,麻烦大家来看看~
我举几个例子,你们来回答就是了.
1、Are these your pen?
2、Is this your mother?
3、Is she your father?
4、Are those cow?
5、Are they play computer?
6、Is that her case?
分别用肯定回答和否定回答来回答.我自己悟出其中技巧（如果有说明更好了）

答案

1、Are these your pen? Yes, they are./No, they aren't.
2、Is this your mother? Yes, it is./No, it isn't.
3、Is he your father? Yes, he is./No, he isn't.
4、Are those cow? Yes, they are./No, they aren't.
5、Are they play computer? Yes, they are./ No, they aren't.
6、Is that her case? Yes, it is. No, it isn't.