Unit 4 At the farm Part A Lets learn滁州市龍?bào)葱W(xué) 王露露. Teaching contents and students: This lesson is the first period of Unit4.The main words are:tomato(tomatoes),potato(potatoes),carrot(carrots)，green bean(green beans).The main sentence patterns are:Look at the.Theyre so. The students in grade 4 are active and interested in new things.They have learnt English more than one year.They have learnt some words about fruits, animals.And they have learnt the sentence patterns:Look at.Its .That will lay a good foundation for learning this lesson. .Teaching aims:1. Knowledge objects：1)Listen,say,read,write the vegetables: tomato(tomatoes),potato(potatoes),carrot(carrots），green bean(green beans)2)Use the sentence patterns :Look at the.Theyre so.to describe the vegetables features.2. Ability objects:1)Develop students ability of using the sentence patterns.2)Develop students abilities of listening,saying,reading,writing. 3.Emotion objects： Eat more fruits and vegetables,dont eat too much meat,enjoy a healthy life.Key points and difficult points:1. Key points：1）Master the four words and their plural forms.2）Use the sentence patterns :Look at the.Theyre so.to describe the vegetables features.2.Difficult points:1)The plural forms of tomato ,potato.2)The pronunciation of carrot(carrots).3)Use the sentence patterns :Look at the.Theyre so.to describe the vegetables features.Teaching aids:1. CAI 2. Word cards.Teaching methods:1. Use the Situational Teaching Approach. 2.Use the Task-based Teaching Approach.3.Conform the multi-media.4. Create an assessment system.Learning methods:1. Work in pairs. 2.Observation. 3.Personal experiences.VII. Teaching procedures:Step 1: Warm-up1. Greeting.2. Enjoy a song:Old MacDonald had a farm.Purpose: The song is used to create a relax atmosphere . Step 2:Presentation 1.Lead in the title CAI：Mr MacDonald and his farm T :Mr MacDonald is a farmer.He has a big farm.Today lets learn Unit 4 At the farm.Lets go to the farm and have a look.Purpose: This part makes a situation, lead to the topic： Farm,introduce the assessment system. 2.Review the sentence pattern and some adjectives CAI:A fat cat-fat cats,a big watermelon-big watermelons,a red apple-red apples. T：Whats this？Look at the.Its so. Look at the.Theyre so. S:Its.Its so.Look at the.Theyre so.Purpose:Review the sentence pattern and some adjectives. 3.Teach the new words 1）CAI:a tomato-tomatoes T:Whats this?Its a tomato. Teach the word: tomato T:Theyre tomatoes. Teach the word: tomatoes (Pay attention to:tomato+es) T：Look at the tomatoes. Theyre so yum. Teach the sentences :Look at the.Theyre so yum. CAI:tomatoes,tomato and egg soup 2)CAI:a potato-potatoes T:Its a .(potato). Teach the word: potato T:Theyre potatoes. Teach the word: potatoes (Pay attention to:potato+es) T：Look at the potatoes. Theyre so big. Teach the sentences :Look at the.Theyre so big. CAI:big potatoes,small potatoes and French fries(Practice the sentence patterns,students will know that dont eat too much French fries.) 3)CAI:a carrot-carrots T:Its a .carrot. Teach the word: carrot T:Theyre carrots. Teach the word: carrots. T：Look at the carrots. What colour are they? Theyre so orange. Teach the sentences :Look at the.Theyre so orange. CAI:orange carrots,rabbits and carrots.(Encourage students to try some carrots.) 4)CAI:a green bean- green beans T:Its a .(green bean). Teach the word:green bean T:Theyre green beans. Teach the word: green beans T：Look at the green beans. Theyre so long. Teach the sentences :Look at the.Theyre so long. CAI:long green beans,short green beans,onions(Students will know that onions make me cry.)Purpose: Students will learn the words and sentences in the situation ,actions are used to help students to perceive the sentences.The plural form is stressed here. 4.Listen,look,read.(Mr MacDonald prepares a task:listening task.) Step3:Practice 1.Guessing game: guess the vegetables (Mr MacDonald prepares a game.) 1)Theyre orange .Rabbits like them. Theyre carrots. 2)Theyre green and long. Theyre green beans. 3)Theyre red and round. Theyre tomatoes. 4）Theyre brown and big. Theyre potatoes. 5）They makes me cry. Theyre onions.Purpose: Through a guessing game,students can perceive the features of vegetables well. 2.Pair work (Mr MacDonald prepares a gift :vegetable cards ,students talk about vegetables.) Vegetable cards:carrots,tomatoes,potatoes,green beans Step4:Consolidation&Extension1. Lets chant on P39：I like tomatoes. (Mr MacDonald prepares a chant.)2. Task 2:Introduce Mr MacDonalds farm (Mr MacDonald prepares another task.)Step1Two students choose 3 things you like at Mr MacDonalds farm to write down on the paper.Step2 Practice to introduce the farm .Hello,look at the farm.Its so big.Look at the _.Theyre so_.Look at the _.Theyre so_.Look at the _.Theyre so_.I like the farm.（Say thank you to Mr MacDonald.）Purpose:Students are encouraged to introduce the farm,maybe its a bit difficult but 2 students can learn from each other .Some key words are listed to help students to finish the task.Step 5：Summary1.Story time:Fat TomHello,Im Tom .Im 11.Im so fat. I like some chicken.Fish I will try.I love to eat some beef .Meat(肉類(lèi)) makes me smile（微笑）.Students listen to a little story ,then do a emotion education:Eat more fruits and vegetables ,dont eat too much meat,enjoy a healthy life!2.The super winner is group.Homework:1.Listen to Lets learn and read.2.Try to introduce som