四年级下册英语优质课件-Unit 3 At the farm Part A 第1课时_人教PEP(秋)

1、 四年级下册英语优质课件-unit 3 at the farm part a 第1课时_人教pep(秋)unit 4 at the farm 人教版(三年级起点)四年级下册 part a lets talk lets play warm-up/revision presentation lets talk lets play test sum-up homework warm-up/revision mary has a little lamb mary has a little lamb, little lamb, little lamb. mary has a little lamb. i

2、ts fleece is white as snow. everywhere that mary goes, mary goes, mary goes, everywhere that mary goes, the lamb is sure to go. presentation these (this的复数 形式)这些 /?i?z/ 【对应词】 those那些 【例句】 these are apples. 这些是苹果。 carrot 胡萝卜 /?k?r?t/ 【复数】carrots 【例句】do you like carrots? 你喜欢胡萝卜吗? tomato 西红柿 /t?m?t?/ 【

3、复数形式】 tomatoes 【例句】i like tomatoes very much. 我非常喜欢西红柿。 try 试;尝试 【例句】please try again.请再试试。 【短语】try to do sth 试着做某事 try ones best 尽某人最大的努力 yum (表示味道或气 味非常好) 【拓展】 yummy(形容词)美味的 【例句】the soup tastes yummy. 汤很美味。 游戏时间 bomb game that tomato this dinner yum tomato tomato tomato try these carrot lets talk

4、what are these? look at these! are these carrots? wow! theyre so big! yes, they are. theyre tomatoes. but theyre yellow! try some! theyre good. thanks. yum. 重点句型 are these carrots?这些是胡萝卜吗? yes, they are.是的。 【详解】此句是“is this a carrot?”的复数形式; these意思是 “这些”,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

5、用these回答,多用 they代指。 重点句型一 【一般疑问句句型结构】 be动词(is/are) + 代词 + 名 词? 【肯定回答】 yes,主语 + be动词(is/are). 【否定回答】 no,主语 + be动词(is/are) + not. are these pencils? 这些是铅笔吗? yes, they are./no, they arent. 是的。/不,不是。 拓展 含有实义动词的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.”。

6、 【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。 。 lets play what are these? are these tomatoes? no. are these apples? yes! practice what are these? theyre carrots. practice what are these? theyre tomatoes. practice what are these? theyre apples. test 一、写出下列单词的复数形式。 1.tomato_t_

7、o_m_a_t_o_e_s_ 2.carrot_c_a_r_r_o_t_s_ 3.apple_a_p_p_l_e_s_ 4.onion_o_n_io_n_s_ 5.banana_b_a_n_a_n_a_s_ 6.pear_p_e_a_r_s_ 二、单项选择。 （ b ）1. _ yes,they,are. a. is it a carrot? b. are these carrots? c. is that a carrot? （ a ）2. look at these potatoes!_so big. a.theyre b. its c. these are （ c ）3. try some.theyre good. _ a. no. b. yes,please. c. thanks. （ c ）4. what are these? theyre_. a. tomato b. tomatos c. tomatoes （ c ）5. the apples