PEP 4下 U4 A Lets learn.docx

四（下）U4 At the farm A Lets learn安吉天略外国语学校 翟梦夏教学内容：本课时学习的单词和词组是tomato,potato,carrot和green bean以及复数形式。教学目标：1. 学生能够听，说，认读上诉单词；并运用句型Theyre.描述蔬菜特征。2. 说唱一首节奏欢快的英语歌谣。教学重难点：tomato和potato的复数变化形式。教具准备：含有本课时的单词卡片（单数和复数）和课件。教学过程：Step1. Warming-up1. Greetings.2. Present the topic of unit 4 “At the farm”. 3. Sing a chant: At the farm, lets drive a car.【设计意图】引导学生根据ar的发音规则拼读单词，从而进入本课时的学习。4. Enjoy an English song: Apple tree5. Present the key sentence: Theyre _. 【设计意图】在这首歌曲中就有不少形容词：red，round，sweet，正好可以作为复习，为接下来句型的操练贮备形容词。Step2. Presentation1. Present “tomato” and “tomatoes”a. Guessing game: I have something. Theyre red. Theyre big. Theyre round. Theyre not apples. What are they? 【设计意图】通过第一环节Theyre的引入，在这里让同学们猜一猜就不会显得新句型的格格不入，反而让同学们可以对这一句型又加深了印象。 b. Then teach “tomato” by using similar words: today, make, go, so and no. c. Train work to practice “tomato”. d. PPT shows 4 “tomatoes”, T says: Look at the tomatoes. Theyre _.e. Invite some students to practice.f. Work in 2 to practice “tomatoes”.2. Present “potato” and “potatoes”a. Listen and fill in the blank: _ o _ a_ o【设计意图】这两个单词确有许多相同之处，不加辨析，同学们总是拼写不对。正好利用这样的单词听音变音的方法，将两个单词的共同之处加以展示，不同之处加以强调。b. Train work to practice “potato” and “potatoes” in the same way.c. Pair work to describe “tomatoes” and “potatoes”. Look at the _. Theyre _.3. Present “carrots” and “carrot”a. Read and guess: The tomatoes are red. The potatoes are brown. Rabbits love to eat. Theyre orange. What are they？【设计意图】更换了另一种句子结构来增加阅读，帮助理解。b. Then teach “carrots” by using similar words: cat, tomato, potato.c. Train work to practice “carrots”.d. PPT shows some pictures, T says: I love to eat _.【设计意图】将这个句型练习好，为后面的Lets chant 做铺垫。e. Invite some students to practice.f. Work in 3 to practice “carrot”.4. Present “green bean” and “green beans”a. Circle the odd ones. (1) apples tomatoes potatoes carrots (2) soup milk lunch juice (3) dog rabbit pig hot dog (4) red brown orange green bean【设计意图】前三题有来自于前几个单元的课堂作业本上的练习，又融合了今天新学的蔬菜类单词。b. Then teach “green bean” by using similar words: see, eat.c. Train work to practice “green bean” and “green beans”.d. PPT shows some pictures, T says: I like _. I dont like _, but I will try.【设计意图】为了让学生更好地理解Lets chant 中I will try。e. Group work.Step3. Practice1. Listen and imitate on P39.2. Lets chant, and learn to say “onions”.【设计意图】onion一词不是本课时的核心词汇，通过Lets chant动画中图片的展示，学生可