Unit 4 第4课时 Part B Let's talk&Look and say (分层作业)英语人教PEP版四年级上册（新教材）

Unit 4 Helping in the community Part B Let’s talk&Look and say 基础练 一、be 动词与现在进行时搭配。 1.Chen Jie __________ (make) the bed now.​ 2.Zhang Peng _________ (sing) old songs in the community.​ 3.Binbin and John ___________ (tell) funny stories to the old people.​ 4.Some students ___________ (clean) the room in an old people's home.​ 5.Everyone __________ (be) happy because they help others. 二、用所给词的正确形式填空。 1.My friend is __________ (help) the old man carry bags in the community.​ 2.The girls are __________ (dance) for the people in the old people's home.​ 3.He is __________ (run) to get water for the old grandma.​ 4.They are __________ (visit) the old people's home now .​ 5.She is __________ (write) a letter to the old man to tell him interesting news. 提升练 三、句型转换。 1.Zhang Peng is singing old songs.（变一般疑问句）​ __________ Zhang Peng __________ old songs?​ 2.Binbin and John are telling funny stories.（对telling funny stories提问）​ __________ __________ Binbin and John __________?​ 3.Some students are cleaning the room in an old people's home.（变否定句）​ Some students __________ __________ the room in an old people's home.​ 4.Chen Jie is making the bed in the community.（对Chen Jie提问）​ __________ __________ making the bed in the community?​ 5.Everyone is happy because they help others.（变一般疑问句并作肯定回答）​ __________ everyone happy because they help others? __________, __________ __________. 四、【新题型・新情境】根据“社区志愿日”情境，补全对话或选择正确答案。 1.—Look! What __________ the volunteers ____________ (do) over there?​ —They are planting trees in the community park.​ 2.— Is Li Ming ____________ (give) books to the old people?​ —No, he _____________. He is _______________ (read) books to them.​ 3.—Why are the students so busy today?​ — ______________​ A. They will go to the old people's home.​ B. They are doing volunteer work for the community.​ C. They usually help others on weekends.​ 4.—___________ is cleaning the window of the old people's room?​ —It's Wang Hong. She is good at cleaning.​ 5.—Are all the students having a good time?​ —Yes, _______________. They think helping others is fun. 五、【新趋势·思维探究】综合运用题。 1.看图，用现在进行时写 3 个句子，描述学生们的活动。​ ① _________________________________________________________​ ② _________________________________________________________​ ③ _________________________________________________________​ 拓展练 六、【新趋势・思维探究】语法与情境思维结合。 1.读句子，找出句子中的错误并改正： Binbin and John is telling funny stories to the old people.​ 错误： __________ 改正：__________​ 2. 理解判断：读句子，从句子中能知道什么？ Some students are cleaning the room. Some are talking with the old people. Some are bringing fruit to them.( )​ A. The students are busy in the old people's home.​ B. The students don't like the activity.​ C. The old people are helping the students.​ 参考解析 基础练 一、be 动词与现在进行时搭配。 1.答案：is making 解析：主语Chen Jie是第三人称单数，现在进行时结构是：主语+ is +动词 ing，make变ing为making。​ 2.答案：is singing 解析：主语Zhang Peng是第三人称单数，sing直接加ing，用is搭配。​ 3.答案：are telling 解析：主语Binbin and John是复数，现在进行时用are，tell直接加ing。 4.答案：are cleaning 解析：主语Some students是复数，用are，clean直接加ing。​ 5.答案：is 解析：主语Everyone是不定代词，视为单数，be动词用is。 二、用所给词的正确形式填空。 1.答案：helping 解析：help直接加ing，符合一般动词ing变化规则。​ 2.答案：dancing 解析：dance以不发音e结尾，去e加ing。​ 3.答案：running 解析：run是重读闭音节词，双写尾字母n加ing。​ 4.答案：visiting 解析：visit直接加ing，此处强调正在参观，用现在进行时。​ 5.答案：writing 解析：write以不发音e结尾，去e加ing。 提升练 三、句型转换。 1.答案：Is; singing 解析：现在进行时变一般疑问句，将be动词is提前，动词ing形式不变。 2.答案：What; are; doing 解析：对动作提问用what，将be动词are提前，原动作变为doing。3.答案：aren't; cleaning 解析：现在进行时变否定句，在be动词are后加not，缩写为aren't，动词ing不变。​ 4.答案：Who; is 解析：对人提问用who，主语是单数，be动词用is。​ 5，答案：Is; Yes; it; is 解析：变一般疑问句将is提前；Everyone用it指代，肯定回答为Yes, it is。 四、【新题型・新情境】根据“社区志愿日”情境，补全对话或选择正确答案。 1.答案：are; doing 解析：对正在做的事提问，用what+be +主语+ doing结构，volunteers是复数，be动词用are。​ 2.答案：giving; isn't; reading 解析：一般疑问句中be动词后用动词ing；否定回答用isn't；后半句用现在进行时reading。​ 3.答案：B 解析：问句问现在为什么忙，需回答现在进行的动作，A是将来时，C是一般现在时，B符合情境。​ 4.答案：Who 解析：答句是人，问句对人提问用who。​ 5.答案：they; are 解析：对all the students的肯定回答，用yes, they are。 五、【新趋势·思维探究】综合运用题。 1.看图，用现在进行时写 3 个句子，描述学生们的活动。​(答案不唯一) ① Ma Lin is sweeping the floor.​ ② Li Wei is helping the old people.​ ③ Susu is talking with the old people.​ 拓展练 六、【新趋势・思维探究】语法与情境思维结合。 1.错误：is 解析：主语Binbin and John是复数，be动词应用are；改正：Binbin and John are telling funny stories to the old people.​ 2.答案：A 解析：句子描述学生打扫、聊天、送水果，体现忙碌；B 无“不喜欢”的依据；C无“老人帮学生”的依据。 2 / 2 学科网（北京）股份有限公司 $