Unit5教案.docx

Unit 5 It must belong to Carla

一．复习：词汇的运用及翻译
1. Grace always listens to classical music .
2. Yesterday we had a good time at the picnic .
3. You like reading so much. Who is your favorite author .
4. Whose volleyball is this?
It must belong to Mary. She loves playing volleyball so much.

二．听力
任务一 Whose backpack is this?
What are in the backpack? Finish 2a
任务二： finish 2b

三．自主学习部分.
任务一 你是聪明的推理高手吗？请根据听力材料中的划线部分的证据找出其相应得出的各种结论，讨论must, can’t, could, might几个情态动词用来做推测的。

例子听力材料中的证据1 Here is an our school T-shirt.
＞＞结论The person must go to our school。（must 用于表示百分百的确定）

证据2 Here is a hair band,
＞＞结论1 so the person can’t be a boy.
＞＞结论2 It could be Mei’s hair band.
＞＞结论3 Or the hair band might belong to Linda. She was at the picnic.
＞＞结论4 The backpack could belong to Rita. She always forgetting thing
证据3 Look！Tennis balls. Linda has long hair and she is on the tennis team.
＞＞结论：Then it must be Linda’s backpack.

任务二 让我们总结下must, can’t, could, might几个情态动词用于推导结论时的用法
1. 请观察以上例句，以上哪些情态动词用于表示肯定的推测？哪些用于否定的推测？
2.分别找出表示推测的可能性最大，可能性次之，及表示最不可能的情态动词，从左到右排出。
3. could , might是can, may的过去式你觉得could ,might 在表示推测的时候是表示过去时态吗

任务三 能用以下表格总结情态动词用于表推测的规律吗
情态动词
意思
推测程度
must
一定
100%的可能性
might/could
也许 可能
可能性为20%－80%
can’t
不可能
可能性几乎为零

任务四 Selfcheck 做做以下练习检查你是不是真正掌握了must, can’t, could, might等情态动词来表推测了吗
改错
1. Our teacher can be in the office because the light is on.
2. The red backpack must be Emma’s, but I am not sure.
3. The boy might be Ben. He has gone to Beijing.
4. The toy car mustn’t be Tom’s. I saw this car at Maryh’s house

四 . 学以致用
1. 你能根据图片做出各种正确的推测吗（A GAME）
2. 完成书上2C部分的练习
3. 对话练习
A: This backpack is Linda’s. Linda lost her backpack. She must be very anxious now.
B: “anxious”,？What does it I mean? I don’t know this word. But I think it can’t mean “happy ”, It might/could mean ”worried”
A: Yeah, you are right. She must be very worried. She might/could ask the teacher for help.
B: No, she can’t do that. She is too shy to talk to her teacher. She might/could ask her friend for help.