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《Unit 3 Sports and fitness》课堂教学教案教学设计（统编人教版）下载
2. Enable students to use the basic phrases structures flexibly.
3. Develop students’ speaking and cooperating abilities.
4. Strengthen students’ great interest in grammar learning.
1. How to enable students to have a good understanding of the basic usages of tag questions.
2. How to enable students to use the basic usages of tag questions flexibly.
Step1: 语法自主探究
（一）基本组成方法
1. 肯定式陈述部分+否定附加疑问部分（前肯后否）
You often play badminton, don’t you? 你经常打羽毛球，是吗？
You are going to the gym with me, aren’t you?
你要和我一起去健身房，是吗？
She’s been to shanghai before, hasn’t she? 她以前去过上海，是吗？
2. 否定式陈述部分+肯定附加疑问部分（前否后肯）
It isn't a beautiful flower, is it? 那不是美丽的花，是吗？
You didn't go skating yesterday, did you? 你昨天没去滑冰，是吗？
They can’t finish it by Friday, can they?
他们不能在星期五之前完成，是吗？
3. 含有否定词的附加疑问句
（1）当陈述句中含有seldom, hardly, never, rarely, little, few, none, neither ，no, not, nowhere, nothing no one, nobody等否定意义的词时，后面的附加疑问句则为肯定形式。
He hardly goes to school by car, does he?
他几乎不开车去上学，是吗？
You have never been to Paris, have you?
你从没去过巴黎，是吗？
They seldom come late, do they?
他们很少迟到，是吗？