Unit 4 At the farm Part B Let's learn & Draw and say（课件）-四年级英语下学期（人教PEP版）

Unit 4 At the farm Part B Let's learn & Draw and say Let’s sing 2 Role play There are a lot of animals at the farm. What can you see? I can see … What is this? It is a hen. What are these? They are hens. 5 What is that? It is a horse. What are those? They are horses. 6 It’s black and white. It is big. We drink its milk. What is it? Can you guess? It is a cow. cow These cows are so cute. No, it isn’t. Yes, it is not a cow. It is a sheep. Is it a cow? 9 sheep These sheep are white. sheep的复数形式为sheep，注意该单词的单数和复数同形。 可数名词单数 变复数 变化规则(一) b. 以s, sh, ch, x 等结尾的词加“es”， 如: bus → buses, box → boxes   一般名词复数是在名词后面加上“s”， 如: pen → pens, book → books Language point d. 以元音字母＋y 结尾的名词变复数时，直接加s变复数，如: toy → toys c. 以辅音字母＋y 结尾的词， 变y为i加es， 如: candy → candies 可数名词单数变复数 变化规则(二) f. 以o结尾的名词变复数，如表示“有生命”的名词时，在词尾加“es”, 如: tomato → tomatoes      e. 以o结尾的名词变复数，如表示“无 生命”的名词时，在词尾加“s”, 如: photo → photos, zoo → zoos Language point h. 单复数同形的名词要牢记， 如: sheep, deer, fish g. 以f或fe结尾的名词变复数时 通常是去掉f或fe，加ves， 如：knife → knives 提示： 以o结尾且表示“有生命”的名词巧记如下： 英雄、黑人爱吃西红柿、土豆和芒果。 hero → heroes negro → negroes tomato → tomatoes potato → potatoes mango → mangoes 写出下列名词的复数形式。 1. cow _______ 2. hen _______ 3. carrot _______ 4. sheep _______ 5. horse _______ 6. book _______ 7. potato _______ 8. tomato _______ 9. fish _______ Read and write cows hens carrots sheep horses books potatoes tomatoes fish Listen and imitate. 2. Read the dialogue and the words. 3. Role play. These are sheep. sheep Wow! They’re so cute! cows hens horses What’s Missing? cats hens horses cows sheep dogs monkeys ducks 15 Ask and answer What is this/that? It is a … What are these/those? They are … Draw your dream farm Talk about your dream farm This is my farm. It’s big. Are these/ those …? Yes, they are./ No, they aren’t, they are … Good to know more There are a lot of English idioms about animals. Let’s have a look. 1. count sheep