1、 Unit 4 At the farm 人教版(三年级起点)四年级下册 Part A Lets talk Lets play Sum-up Warm-up/Revision Presentation Test Homework Lets talk Lets play Warm-up/Revision Mary has a little lamb Mary has a little lamb, little lamb, little lamb. Mary has a little lamb. Its fleece is white as snow. Everywhere that Mary go
2、es, Mary goes, Mary goes, Everywhere that Mary goes, the lamb is sure to go. these ( (this的复数的复数 形式形式) )这些这些 【对应词对应词】 those那些 【例句例句】 These are apples. 这些是苹果。 Presentation /iz/ carrot 胡萝卜胡萝卜 【例句例句】Do you like carrots? 你喜欢胡萝卜吗? /krt/ 【复数复数】carrots tomato 西红柿西红柿 【复数形式复数形式】 tomatoes 【例句例句】I like tomatoe
3、s very much. 我非常喜欢西红柿。 /tmt/ try 试试; ;尝试尝试 【短语短语】try to do sth 试着做某事 try ones best 尽某人最大的努力 【例句例句】Please try again.请再试试。 yum ( (表示味道或气表示味道或气 味非常好味非常好) ) 【拓展拓展】 yummy(形容词)美味的 【例句例句】The soup tastes yummy. 汤很美味。 游戏时间 Bomb Game carrot that yum this tomato tomato tomato try these dinner tomato Lets talk
4、点击“点击“Lets talk”，跟”，跟 我一起读吧！我一起读吧！ 视 频 What are these? Look at these! Are these carrots? Theyre tomatoes. Lets talk Wow! Theyre so big! Yes, they are. But theyre yellow! Thanks. Yum. Try some! Theyre good. Are these carrots?这些是胡萝卜吗? Yes, they are.是的。 【详解详解】 此句是“Is this a carrot?”的复数形式; these意思是 “这些”
5、,是this的复数形式; carrots是carrot的复数形 式。回答时为了避免重复,一般不用these回答,多用 they代指。 重点句型重点句型 【一般疑问句句型结构一般疑问句句型结构】 Be动词(Is/Are) + 代词 + 名 词? 重点句型一重点句型一 【肯定回答肯定回答】 Yes,主语 + be动词(is/are). 【否定回答否定回答】 No,主语 + be动词(is/are) + not. Are these pencils? Yes, they are./No, they arent. 这些是铅笔吗这些是铅笔吗? ? 是的。是的。/ /不不, ,不是。不是。 含有实义动词的
6、一般疑问句要借助于助动词do和 does来构成,将其放到句首,其他词顺序不变。肯定 回答用“Yes,主语 + do/does.”,否定回答用 “No,主语 + dont/doesnt.”。 【例句例句】 Do you like apples?你喜欢苹果吗? Yes, I do./No, I dont.是的,我喜欢。/不,我不喜欢。 。 拓展拓展 What are these? Are these tomatoes? Are these apples? Lets play No. Yes! Practice What are these? Theyre carrots. Practice Wha
7、t are these? Theyre tomatoes. Practice What are these? Theyre apples. 一、写出下列单词的复数形式。一、写出下列单词的复数形式。 Test 1.tomato_ 2.carrot_ 3.apple_ 4.onion_ 5.banana_ 6.pear_ tomatoes apples onions pears bananas carrots 二、单项选择。二、单项选择。 （ ）1. _ Yes,they,are. A. Is it a carrot? B. Are these carrots? C. Is that a carr
8、ot? （ ）2. Look at these potatoes!_so big. A.Theyre B. Its C. These are （ ）3. Try some.Theyre good. _ A. No. B. Yes,please. C. Thanks. （ ）4. What are these? Theyre_. A. tomato B. tomatos C. tomatoes （ ）5. The apples are so_. A. long B. tall C. big C C C A B 重点词汇 Sum-up 重点句型 Are these carrots?这些是胡萝卜吗? Yes, they are.是的。 Homework 1 1.熟熟读“读“Lets talk”部分。部分。 2 2.用用所学句型与同学编所学句型与同学编 一段对话，并表演。一段对话，并表演。 Homework
