文档内容
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。
