根据题目要求完成下列任务，用中文作答。

　　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。

本题考查纠错方式。

纠错方式有直接纠错法、重述法、启发法、强调法、重复纠错法等教学方法。考生列举纠错法并举例即可。