课件23张PPT。Unit 4 At the farmPart B Let's check & Let's singLearning goals能听、说、认读单词：horses, cows, hens, sheep? ? 能够运用句型：
—Are they …?
—Yes, they are.
No, they aren’t. They are …Let’s sing点击，播放视频 Role playWow! You have
a lot of animals! What are those?They’re horses.Cool! How many horses do you have?Mmm …
Seventeen. What about those? Are they hens?No, they aren’t. They’re ducks.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.What is that?It is a horse.What are those?They are horses.It’s black and white. It is big. We drink its milk.What is it?
Can you guess?It is a cow.cowThese cows are so cute.No, it isn’t.Yes, it is not a cow. It is a sheep.Is it a cow?sheepThese 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 pointd. 以元音字母＋y 结尾的名词变复数时，直接加s变复数，如: toy → toysc. 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 pointh. 单复数同形的名词要牢记，
如: sheep, deer, fishg. 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
cowshenscarrotssheephorsesbookspotatoestomatoesfish Listen and imitate.
2. Read the dialogue
and the words.
3. Role play.These are sheep. sheepWow! They’re
so cute!cowshenshorsesWhat’s Missing?catshenshorsescowssheepdogsmonkeysducksAsk and answerWhat is this/that?It is a …What are these/those?They are …Draw your dream farmTalk about your dream farmThis is my farm.It’s big. Are these/ those …?Yes, they are./
No, they aren’t, they are …Good to know moreThere are a lot of English idioms about animals. Let’s have a look. 1. count sheep （数羊以求入睡）2. a black sheep （害群之马；有辱家族的人）3. eat like a horse （吃的很多）4. be raining cats and dogs （下倾盆大雨）5. kill two birds with one stone （一石二鸟；一箭双雕）6. a chicken-or-egg problem （因果难定的问题）
Read and match
sheephorseshenscowshorses, cows, hens, sheep—Are they …?
—Yes, they are.
No, they aren’t. They are …1. Listen and read “Let's learn”.2. Make a dialogue according to “Let’s play”
with your friends.
