Unit 1 Pets第4课时（课件+素材）join in外研剑桥英语三年级下册

第4课时 (Parts 5 & 6) Unit 1 Pets Join In 剑桥·三年级下册 Enjoy a video Let’s count How many animals are there? 兽，动物 Six. Q: How many cats are there? There are five cats. 如何询问可数事物的数量 问句：How many+可数名词复数 (cats, caps, pens...)+are there? 答语：基数词(Two, Four...)./ There is/are+基数词. 详解：how many意为“多少”，后接可数名 词复数。 在英语中，名词可以分为可数名词和不可数名词。可数名词是可以直接用数目计数的名词，有单数和复数之分。当数目大于1时，可数名词要用复数形式。 ① 一般情况下， 在词尾加-s. book—books desk—desks 可数名词单数变复数的变化规则是怎样的？ ② 以-s，-x，-sh，-ch 结尾的词， 在词尾加-es。 bus—buses box—boxes ③ 以“辅音字母+y”结尾的词，先变y 为i，再加-es。 family—families butterfly—butterflies ④ 以-f或-fe结尾的词，通常先变f或fe 为v，再加-es。 knife—knives leaf—leaves ⑤ 以-o结尾的词，在词尾加-s或-es。 tomato—tomatoes zoo—zoos child—children mouse—mice Tips: 少数可数名词单数变复数的变化是不规则的，需要特殊记忆。 Practice I have got _______ snail. Look! Five _______ are on the floor. Look at the pictures and fill in the blanks. one mice There are seven __________. —Have you got two _______? —No, I haven’t. —How many _______ are there? —Three. butterflies children boxes 5 Language puzzle. two mouse mice three cat cats five dogs dog eleven rabbit rabbits one horse horses twelve birds bird 6 Picture puzzle. How many kinds (种类) of animals are there? Six. What are they? mice hamsters rabbits dogs birds cats mice hamsters rabbits dogs birds cats How many mice are there? Six. six three seven nine two five How many … are there? ... PAIRWORK Talk about animals. ... How many… are there? How many hamsters are there? Three. three hamsters ... How many… are there? Summary Sentences: —How many mice are there? —Six. Words: animal Exercises 一、选择合适的单词组成短语，并抄写在横线上。 1. (one, two) _________ cats 2. four _________ (bird, birds) 3. eight  _________ (dog, mice) 4. nine _________ (fish, horse) two birds mice fish 二、单项选择。 1. I have got two ______. A. hamsters B. dog C. mouse 2. How many ______ are there? A. cat B. mice C. bird 3. —______ is th