材料全屏下面是某教师的课堂教学片段：　　T: What did your mum do yesterday, Wang Lin?　　S: M

下面是某教师的课堂教学片段：

T: What did your mum do yesterday, Wang Lin?

S: My mum buyed the dress for me.

T: Oh, that is nice. Your mum bought it for you, did she?

S: Yes.

T: Where did she buy it?

S: She buyed it in town.

T: Oh, she bought it in town for you. Well, it is very nice.

请根据所给材料回答下列三个问题。

【简答题】

学生在对话中的语言错误是什么?(6分)

答案及解析：本题考查教学中的语言错误。考生根据法错误，用错了动词过去式的形式，即可以找出来。