湘少版四年级上英语Unit 2课件

湘少版四年级上英语Unit 2课件

Unit 2 It’s a circle 湘少版 · 四年级上册 Lead-in Do you know what they are in English? New words circle 圆 square 正方形 line 线；直线 dot 点 Let’s Listen and Say What’s that, Lingling? It’s a circle. What’s this? It’s a square. How many circles are there? It’s a boy. It’s you! One, two, three, four, five, six, seven! Me? Language points 1. What’s that, Lingling? 那是什么，玲玲？ that 的意思是“那，那个”，指 离说话人较远 的单数物品。当询问远处物品时就用“ What’s that? 那是什么？”，其回答用 “ It’s a/an + 名词 . ” 。 【 例句 】—What’s that? 那是什么？ —It’s a bird. 是一只鸟。 2. How many circles are there? 有多少个圆？ how many 的意思是“多少”，常用于 对可数名词的数量 进行提问，后面必须跟可数名词的复数形式。其结构是 “ How many + 可数名词复数 + are there ？” ，答语是 “ There is/are + 数字” 或 直接答数字 。 【 例句 】—How many dolls are there? 有多少个洋娃娃？ —There _____ two./Two. 两个。 —How many boys are there in the room? 房间里有多少个男孩？ —There _____ only one./One. 只有一个。 / 一个。 are is Play roles What’s that, Lucy? It’s a circle. How many circles are there? Five. What’s this? It’s a square. How many squares are there? Two. Let’s Learn circle 圆 square 正方形 line 线；直线 dot 点 Let’s Act What’s that? It’s a square. Play roles What’s that? It’s a circle . How many circles are there? Three. What’s that? It’s a line. What’s that? It’s a dot. Let’s Read What are you doing, Dino? I’m drawing. What’s that? It’s a Dino Land flag! Read and answer. 1. What is Dino doing? 2. What is he drawing? He is drawing. A Dino Land flag! Language points 3. What are you doing, Dino? 你在做什么，迪诺？ 这是一个 现在进行时态 的特殊疑问句，用于询问某人正在做什么。 其结构是 “ What + be 动词 + 人 / 物 + 动词的现在分词 (v-ing) + 其他？” 其答语结构 “人 / 物 + be 动词 + 动词的现在分词 (v-ing) + 其他 . ” 【 例句 】—What is she doing? 她正在做什么？ —She is ________ the piano. 她正在弹钢琴。 —What are they doing? 他们正在做什么？ —They are ________. 他们正在跳舞。 playing dancing 【 拓展 】 现在分词的构成规则： 1) 一般情况下在 动词词尾加 ing 。例如： look →_______ sleep → _______ say → _______ 2) 以不发音的 e 结尾的动词， 去掉 e 加 ing 。例如： take → _______ dance → _______ write → _______ looking sleeping saying taking dancing writing 3) 以一个辅音字母结尾的重读闭音节， 双写最后一个字母，再加 -ing 。例如： swim → __________ 【 巧记 】 现在分词的构成规则 : look, listen 是标志，现在进行正发生。 有时 now 在句中现， be +v-ing 时态成。 若问 be 用何形式，须看主语数、人称。 he/she is, I am, we, you, they 后 are 紧跟。 swimming Let’s Read and Write Let’s write. 1.There are seven _______. 2.There is one_______. 3.There are five _______. 4.There are four_______. circles square lines dots Language points 4. There are seven circles. 有七个圆形。 这是 there be 句型，其结构是 “ There + is/are ＋ 名词 ＋ 地点 .( 某处有某物 ) ” ， there is 后面接的名词可以是可数名词的单数形式，也可以是不可数名词。 there are 后面必须接可数名词的复数形式。 【 例句 】There is a boy in the room. 房间里有一个男孩。 Let’s Chant 保罗画了一支钢笔。 保罗画了一支铅笔。 保罗画了一只熊猫。 保罗画了一名小学生。 P aul draws a p en. P aul draws a p encil. P aul draws a p anda. P aul draws a p u p il. Pp Let’s Have Fun Draw and colour a picture of shapes. Show and tell your friends. This is a house. This is a red triangle. This is a green circle. This door is a blue rectangle.