Unit 1 Topic 3 Section B课件--2023-2024学年仁爱科普版英语七年级上册

Section B Unit 1 Topic 3 How old are you? 第一课时 1 __________(n.) 橡皮；黑板擦 ____(n.) 地图__________(n.) 钢笔；笔 _____(n.) 铅笔 __________(n.) 书桌 _______(n.) 苹果__________(n.) 玩具 __________(art.) 一(个，件...) __________(n.) 英语/ (adj.) 英语的；英国的；英国人的 __________(v.) 拼写 _______(modal v.) 能；会 eraser New words map pen apple toy a/an English spell can pencil desk 2 Noun(名词）：表示人、事物或抽象概念的名称 Noun（名词） 可数名词 单数名词（=1） 复数名词（>1） 不可数名词 a/an ruler pencil pen book map a a a a a desk car toy a a a - What’s this? - It’s ... . 凯迪拉克 a/an apple orange egg eraser an an an an - What’s this? - It’s ... . a/an ruler pencil pen book map desk car toy apple orange egg eraser a an ??? /’ru:lə/ /’pensl/ /buk/ /pen/ /mæp/ /desk/ /ka:r/ /tɔi/ /’æpl/ /’a:rindʒ/ /eg/ /i’reisər/ a/an 区别 a和an的区别 2. a 用在以辅音音素开头的单词前。 例如：a book，a desk 1. an 用在以元音音素开头的单词前。 例如：an egg， an apple(an+以a,e,i,o,u开头的名词) a/an被称作不定冠词，用在单数名词前，表示“一个”。 单数可数名词是秃子， 不要忘了给它戴帽子。 两种帽子 a 和 an， 辅音因素前加 a， 元音因素前加 an。 Noun(名词）：表示人、事物或抽象概念的名称 Noun（名词） 可数名词 单数名词（=1）：a/an +可数单数名词 复数名词（>1） 不可数名词 _____car ______orange _____ ruler ______egg ______ “U” ______ “S” ______ boy ______ teacher ______ bus ______apple ______ book ______good boy ______English teacher ______old bus ______bad apple ______interesting book a a a a a an an an an an an a a an a a 9 an apple two apples a pen three pens three eggs three cars an egg a car a year？ one year 一年 两年 two years desk—desks pen—pens pencil—pencils car—cars apple—apples teacher—teachers 你知道吗 box—boxes (盒子) bus—buses (公共汽车) watch—watches (手表) class—classes (班级) family--families 可数名词复数变形规则： (1) 在一般情况下直接在词尾加-s; (2) 以-s, -x, -ch, -sh 结尾的单词在词尾加-es; (3) 以辅音字母加y结尾的名词，变y为i, 再加es. (4) 以f或fe结尾的名词，变f/fe为v, 再加es. 例如:knife--knives(小刀） leaf--leaves (叶子） 可数名词复数变形规则： 有生命：potato--potatoes（土豆） tomato--tomatoes（西红柿） hero--heroes（英雄） 无生命：photo--photos（照片） zoo--zoos（动物园） (6) 不规则变化. 例如:man--men（男人） woman--women（女人） foot--feet（脚） child--children（孩子） mouse--mice （老鼠） (4) 以f或fe结尾的名词，变f/fe为v, 再加es. (5) 以o结尾的名词，有生命的加es, 无生命的加s. 可数名词复数变形规则： (7) 单复数同形. 例如:：sheep（羊） fish（鱼） family families boy baby wife this these boys babies wives 你知道哪些单数变复数的特殊情况？ I he she it is am this that they we are these those 1.This is an apple. 2.That is a box. 3.These are English books. ** 将下列单数句子改为复数句，将复数句子改为单数句。 4.He is a student. 5.We are girls. 6.Those are oranges. 1.These are apples. 2.Those are boxes. 3.This is an English book. 4.They are students. 5.I am a girl. 6.That is an orange. Section B Unit 1 Topic 3 How old are you? 第二课时 18 an apple - What’s this/that (in English)? a book a map - It’s a/an+单数名词. Key 1 介词in的用法： 1. “在…里”：I am in Class Nine, Grade Seven. She is in China now. in + 地点 “在什么地方” 2. “用，以”： in English 用英语 in Chinese/ Japanese in + 语言 “用某种语言，以什么语言” What’s this? “这是什么？” What’s that? “那是什么？” 回答：___________________________ What’s this/ that in English? “这个/那个用英语怎么说?” It is Key 2 It’s a/ an + 单数名词（n）. A: What’s this in English? B: It’s an eraser. A: How do you spell it? B: E-R-A-S-E-R, eraser. Let’s say together. A: What’s this in English? B: It’s A: How do you spell it? B: a pen. P-E-N, pen. a pencil-box. P-E-N-C-I-L-B-O-X, pencil-box. a book. B-O-O-K, book . an eraser. E-R-A-S-E-R, eraser. a ruler. R-U-L-E-R, ruler. Let’s say together. book Can you spell it, please? What’s that in English? It’s ________. Yes. B-O-O-K, _______. a book Free talk. A: What’s that in English? B: It’s a/ an ... A: Can you spell it, please? B: Yes. ... ①How do you spell it? ②Can you spell it? “你怎样拼写它呢？” “你可以拼写一下它吗？” 答语：A-P-P-L-E, apple. 答语：Yes. O-R-A-N-G-E, orange. (若不会，则用Sorry, I can’t.) Key 3 （1a）Look, listen and say. Excuse me, what’s this in English? It’s an eraser. map desk pen pencil eraser While-listening （1b）Listen and complete the conversations. A: Excuse me , what’s ____ in English? B: It’s _____ pencil. A: How do you spell it? B: P-E-N-C-I-L, ______. A: Thank you. B: ______ ________. a pencil You’re welcome this A: Excuse me, what’s ____ in English? B: It’s _____ apple. A: ___ ____ ____ ____, please? B: Yes, A-P- P-L-E, apple. A: _______. B: That’s OK. an Can you spell it Thanks that （1b）Listen and complete the conversations. Listen and complete the conversation with the correct words. Then practice with your partner. Is that a toy, too? An eraser? Wow! No, it’s an _______. No, it isn’t. It’s a ____. Is this a _________? telephone toy eraser That is a toy. Is that a toy? 你发现他们有什么规律了吗？ This is an eraser. Is this an eraser? be动词的位置发生了变化。 句型也由陈述句变成了一般疑问句。 Post-listening Is this a/ an …? Is that a/ an …? Yes, it is. / No, it isn’t. 一般疑问句 Key 4 A: Is this an eraser? B: Yes, _____. A: Thank you. A: Is that a pen? B: No, _______. It is a pencil. it is it isn’t Let’s say together. A: Is that a desk? B: Yes, it is. A: Is this an orange? B: No, it isn’t. It’s an apple. A: What’s this in English? A: Is it a/an …? B: It is a/an... B: Yes, it is. / No, it isn’t. Pair work 1．-Excuse me, can you spell your name? - _________. A．F-L-A-G. B．No. F-L-A-G, flag. C．Yes. F-L-A-G, flag. D．It’s a flag. 2．______ this an _______? A．Is；bike B．Are；banana C．Is；cake D．Is；orange 3. - _________ is this? - It’s a map. A. Who B. Where C. What D. How C D C Practice 1 （ ）4. - is this in English ？ - It is an orange. A. What B. How C. Where （ ）5. - What's that in English ？ A．I am from England B. Yes , I am . C．It is a pen （ ）6. -Is it orange? - Yes, it is . A. an B. a C. this A C A 用a和an填空。 Practice 2 I'm student. I have ____schoolbag. Look, this is English book. I have _____ pencilbox. There is eraser, pen and ruler. a an a an a a a 48352.125 $$