人教版九年级全册英语 Unit8 It must belong to carla. SectionA 1a-1c 教案

基本信息
课题 新目标九年级英语全一册 Unit8 It must belong to Carla教学设计（第一课时）
教材分析
本节课是九年级英语第八单元的第一节，情态动词是一种重要的词法，只有掌握好它才能更好地进行交际和阅读。本节的重点是使学生能运用情态动词might could must can’t对物品所属进行推测。通过学习用相关信息对物主的推测来提高学生的逻辑思维能力和推断能力。难点是如何在句子中运用相关信息选择正确的情态动词来表达句子意思。教学中，应该积极创造语境，利用反复操练的形式来突破难点。
学情分析
由于七年级就学过了情态动词的基本用法及九年级第七单元的含有情态动词的被动语态。本节课拓展了情态动词表推测的用法，与情态动词的用法自然衔接。学生在学习掌握本节课的内容时，通过获取相关信息对物主进行推测，提高学生的逻辑思维能力和推断能力。
教学目标
New words: truck, picnic, whose, rabbit.Key sentences: —Whose book is this It must / could / might / can’t be Mary's.It must / could / might / can’t belong to Mary.Make inferences ( http: / / www.21cnjy.com ) with “must, could, might, and can’t”.
教学重点和难点
教学重点：（1） 掌握本课时中出现的生词truck, picnic, whose, rabbit.（2） 学会描述表示物品所属的提问和回答：—Whose book is this —It must be Mary's. —It must / could / might / can’t belong to Mary.（3）通过获取相关的句子信息对物主进行推测，选择正确的情态动词来表达句子意思。 教学难点：掌握情态动词must / could / might / can’t表相关推测的前提下，通过获取相关的信息对物主进行推测，选择正确的情态动词来表达句子意思是本节课的难点。
教学过程
教学环节 教师活动 预设学生行为 设计意图
流程步骤 Step 1 Lead-inShow some pictures and learn the new words. Step 2 Presentation1. 1a Look at the picture. Write the things you see in the correct columns in the chart.2. A guessing gameT: Try to guess whose thing is it. Lead them to try to guess the owners with “must / could / might / can’t”.3. Group workTry to guess the owners of these things in groups.Step 3 ListeningT: Here are some things belonging to those five people. Listen and match each person with a thing and a reason.Step 4 Group workUsing the information in 1b, make conversations.Step 5 ExerciseStep 6 SummaryUse “must” to show that you think something is probably true.Use “might” or “could” to show that you think something is possibly true.Use “Can’t” to show that you are almost sure something is not true.2. Play the recording for the Ss to listen. 3. Ss listen and try to match the each person with a thing and a reason. 4. Check the answers.Step4 Summary Repeat.Look at the picture ( http: / / www.21cnjy.com ) and write down the words.According to these things they often see in their class, students try to guess whose things these are.Listen and match.make conversations and ask and answer in groups.Think and conclusion 利用学生熟悉的物品，有利于引导学生做出多种推测。不但可以创设出贴近生活的语境，同时， 激发了学生的求知欲望。通过听力训练，提高学生的听的能力。根据具体的语境，训练学生的口语交际能力。让学生对本节课的重点做一个回顾。
作业设计
( ) 1.— ________ English book is this —it could be _____ A．Who; Lucy B．Who; Lucy’s C．whose; Lucy D．Whose; Lucy’s( ) 2. This coat ________ be Tom's. He doesn't like the color at all. A．must B．might C．could D．can't ( ) 3.—Who broke the glass —I don't know. It ________ be the wind.A．must B．Should C．could D．can't ( ) 4. Amy has practiced dancing for five hours. She ______ be very tired. A．must B．Should C．could D．can't ( ) 5.—Whose notebook is this — It ________ be Li Ming's. It has his name on it. A．must B．can't C．could D．might
板书设计
Unit8 It must belong to Carlamust表示__________的推测，意为“一定”，只用于肯定句。Could/might表示__________的推测，意为“可能”。Can’t表示__________推测，意为“不可能”。