初中英语沪教牛津版（2024）七年级下册（2024）Section 3教学ppt课件

这是一份初中英语沪教牛津版（2024）七年级下册（2024）Section 3教学ppt课件，共16页。PPT课件主要包含了User Guide，Example，Group Work，课堂练习等内容，欢迎下载使用。
Learning bjectivesBy the end f this class, I can:1. Get t knw the meanings and usage f mdal verbs.2. Use mdal verbs prperly t talk abut rules in daily lives.3. Make a “Hme Electrical Safety Guide”.
Dear Daisy and Benny,Yu’re hme alne. Please stay safe with electricity.Bth f yu mustn’t tuch any electrical appliance with wet hands.Daisy can use the micrwave, but Benny, yu mustn’t put metal in it.Yu must unplug the hair dryer after use.Yu may watch TV fr 1 hur. Yu needn’t turn it n if yu dn’t want t.Be smart, be safe!Lve, Mum & Dad
What can they d?What mustn’t they d?
Pay attentin t the red wrds. What are they?
Mdal Verbs情态动词
D they change frm when the subject changes?
Rule 1: Mdal verbs: n change fr different subjects!
What d these mdal verbs mean?
What if I remve the can, must, and may?
The speaker’s md and attitude changed!
What ther rules d they need?Hw can we learn mre abut safe electricity use at hme?
Activity 1: Read and Understand
Dad, it’s s bring t stay at hme. I miss yu.
Benny, why dn’t yu play with yur rbt Bb? Just knw what Bb can and cannt d first.
Great! Bb can intrduce hw t use it t us.
Listen t Bb’s intrductin and cmplete the instructin card.(Tick ☑ the right mdal verb in the table.)
Which mdal verb feels the mst psitive？ Which ne feels the mst negative？
Activity 2: Listen and Tick
Chse the crrect mdal verbs t fill in the blanks in the user guide.
can / cannt / may / may nt / must / mustn’t / needn’t
1. Yu _______ clse the lid befre starting.2. Yu _______ put t much fd in the blender.3. Yu _______ unplug the blender after use.4. Yu _______ clean the blender after each use.5. Yu _______ tuch the blade with yur fingers.6. Yu _______ use the blender if yu dn’t want t.
The cntent f the users’ guide is missing...
Lk at the verbs after the mdal verbs. What d they have in cmmn?
Rule 2: mdal verbs + d (basic frm)
Activity 3: Fill and Explain
Practice in pairs, talk abut hw t use rise cker safely.
A: May I use the rice cker?B: Yes, but yu must … / yu mustn’t …A: Must I unplug it?B: Yu needn’t … but yu must …A: Gt it. And I mustn’t …B: Exactly!
I want t ck rice in a rice cker, but hw shuld I use the rice cker?
I can help yu!
Activity 4: Rle-play and Practice
T ensure the safety f electricity usage at hme, Daisy decided t make a guide and stick it n the refrigeratr.
Grup 1-2: Kitchen (micrwave, rice cker, blender, fridge)Grup 3-4: Living rm (TV, fan, lights, phne charging)Grup 5-6: Bathrm (hair dryer, water, sckets)Grup 7-8: Bedrm (laptp, alarm clck, heater)
Activity 5: Create and Share
Time t shw!
Check yur guide accrding t the evaluatin.
With the right guide n the fridge, Daisy and Benny can stay safe and smart.
Activity 6: Present and Imprve
Electricity makes life easy, but nly if we use it safely.Be smart, be safe!
1.We ______ see electricity, but we ______ see its pwer in lights.A. can; can B. can’t; can C. must; may D. may; must
答案：B解析：表达“看不见电但能看见其作用”，否定用 can’t，肯定用 can
2.—______ I use the hairdryer in the bathrm? —N, yu ______. It’s dangerus!A. Must; mustn’t B. May; can’t C. Can; culdn’t D. May; mustn’t
答案：D解析：请求许可用 May ，禁止用 mustn’t 强调安全规则
3.T save energy, yu ______ turn ff lights when leaving a rm.A. must B. may C. can D. mustn’t
答案：A解析：must 表示义务/必要行为（节能要求）
4.Lk at the sign: "______ tuch wet wires!" It means we ______ keep away.A. Must; may B. Dn’t; must C. Can’t; shuld D. May nt; can
答案：B解析：警示牌用祈使句 Dn’t tuch，对应 must（必须遵守）