语法陈述句（变否定，疑问）（课件）通用版英语

Grammar: Statements 1.复习陈述句的概念和结构； 2.否定句：主语+don't/doesn't +其他； 3.一般疑问句：Don't/Doesn't + 主语 +其他 Teaching Content: 2 1.学生能了解知道陈述句的概念和结构； 2.孩子们能将陈述句变否定句，将陈述句变一般疑问句； 3.孩子们能够知道和背诵一定的语法规则，完成一定的练习。 Teaching Aims: 3 1P: 1.老师做一些动作引入，孩子们猜老师在做什么。 Eg: I am a teacher/beautiful ...; I can sing a song/play basketball/... . 2.呈现一些句子，带学生发现和总结陈述句肯定变否定的规律。 3.老师展示陈述句的结构（老师先多举例，让学生总结句子结构）：主语+be动词+名词/形容词，主语+情态动词+动词，主语+谓语+其它； 4.老师展示陈述句的否定式 主+don't/doesn't+名词/形容词 以及如何变否定句 。 例句：I am a student. → I am not a student. → → He is a boy. He is not/isn't a boy. I can speak English. I can not/can't speak English. 5 例句：I am a student. → I am not a student. He is a boy. He is not/isn't a boy. → 肯定句变否定句的方法 注意缩写： is not = isn't, are not = aren't , was not = wasn't, were not = weren't, am not没有缩写， 但是I am = I'm can not = can't, would not = wouldn't could not = couldn't, will not = won't 6 陈述句---否定句：(助动词don't/ doesn't) I listen to music. I don't listen to music. He plays basketball with friends. He doesn't plays basketball with friends. They/We go shopping. They/We don't go shopping. 7 概念：什么是肯定句和否定句？ ｛ 肯定形式→肯定句 否定形式→否定句 陈述句 陈述句：说明一件事情、一个想法，提出一个观点或表达自己心情的句子。特点是：句末都是句号，用降调读！ 8 2.含“实意动词”型，转换否定句时，记住五个字“一加一还原”的原则。 “一加”即在实意动词前加助动词的否定don't,doesn't或didn't。“一还原”即把句中的实意动词变回原形。 例句：I like apples. → → → I don't like apples. He likes apples. He doesn't like apples. She worked last night. She didn't work last night. 9 肯定句 I like salad. 一般疑问句 Do you like salad? We like running. Do you like running? 肯定回答： 否定回答： Yes, I do. No, I don’t. 肯定回答： 否定回答： Yes, we do. No, we don’t. They like bees. Do they like bees? 肯定回答： 否定回答： Yes, they do. No, they don’t. (do) (do) (do) 口诀：一选二提三换四照抄 一选：根据陈述句动词时态选择助动词； 二提：将选好的助动词提到句首； 三换：第一人称换第二人称, 动词换回原形。 四照抄: 陈述句剩余部分照抄 例2: I want a teacher. Step1: want是动词原形，故选do Step2: do… Step3: do you want… …( I 变 you) Step4: Do you want a teacher? 例1: I like eating apples. Step1: like是动词原形，故选do Step2: do… Step3: do you like…(I 变you) Step4: do you like eating apples? 例3: He loves his mother