人教精通版五年级下册Lesson 17精品教学课件ppt
展开Yu shuld, we shuld bey the rules.Class rules, Hme rules, Public rules.They all the rules fr yu and me. D smething, yu shuld, yu must d smething. Dn’t d smething, shuldn’t, mustn’t,that all the things yu can’t d!
Let’s chant
S-H-O-U-L-D
Let’s review
What rules d gd students ften bey at schl and at hme?
class rules
Ask and answer questins actively.Be quiet.Dn’t make nise.Dn’t eat in class. Listen t the teacher carefully.Dn’t be late fr
1. get up late.2. g hme late.3. read in bed.
1. help t d husewrk. 2. keep yur rm clean. 3. g t bed early.
Yu shuldn’t
Besides class rules and hme rules, what ther types f rules can yu think f?
Class Rules
Public Rules
When we are in public places such as parks, museums and hspitals, what public rules shuld we bey?
Tday, ur friends cme t the street t have a scial research. They see sme bad things n the street. Lk, what bad things can yu see?
Lk and answer
Lk and predict
What d ur friends say t them? Can yu guess?What public rules shuld we bey in these cases?
Watch and check
Lk ut! Yu mustn’t crss the street nw. Yu must wait fr the green light.
crss the street 过马路
wait fr the green light 等待绿灯
Yu mustn’t spit n the grund.
Yu mustn’t litter.
spit n the grund 随地吐痰
litter 乱丢杂物
Yu mustn’t pick the flwers.
Yu must keep ff the grass.
keep ff the grass 不要进入草地
pick the flwers摘花
Yu must take gd care f yung children.
take gd care f yung children照顾好儿童
Listen and rder the pictures.
1. Yu (must / mustn’t) crss the street nw.2. Yu (must / mustn’t) wait fr the green light.3. Yu (must / mustn’t) spit n the grund.4. Yu (must / mustn’t) litter. 5. Yu (must / mustn’t) keep ff the grass.6. Yu (must / mustn’t) pick the flwers.7. Yu (must / mustn’t) take gd care f yung children.
Listen and circle must r mustn’t.
1. Yu mustn’t ________________ nw. Yu must _________ the green light.
Lk and fill in the blanks.
2. Yu mustn’t _________ n the grund. Yu mustn’t _________.
crss the street
3. Yu must _________ the grass. Yu mustn’t _________ the flwers.
4. Yu must _________________ yung children.
take gd care f
Read and fill in the table.
wait fr the green light
keep ff the grass
take gd care f yung children
crss the street nw
spit n the grund
pick the flwers
Read after the recrding
Lk ut! Yu mustn’t ______. Yu must ______.
Yu mustn’t ______.
Let’s write
在不同的公共场合我们要遵守不同的规则。请根据Just talk的内容,以小组为单位,从park, museum, hspital这三个公共场所中任选其一制定公共规则。
学生四人一组,选择一个公共场所。学生以小组为单位为该场所制定公共规则。
Yu must... Yu mustn’t...
Language pints
1. Lk ut! 当心! lk ut意为“当心,小心”,用于提醒别人注意某事物。其用法相当于 “Be careful!”。 例句: 当心!你现在不能过马路。 Lk ut! Yu mustn’t crss the street nw.
2. Yu must wait fr the green light. 你必须等待绿灯。
must是情态动词,意为“必须;一定”,语气强烈,后面跟动词原形,没有人称和数的变化。其否定形式为must nt,缩略形式为mustn’t。其句型结构为:主语+must (nt)+动词原形+其他.
Yu must wait fr the green light.Yu must take gd care f yung children.Yu must keep ff the grass.Yu mustn’t crss the street nw.Yu mustn’t spit n the grund.Yu mustn’t litter.Yu mustn’t pick the flwers.
一、根据实际情况,选择相应的单词。
( ) 1. Yu _____ crss the street when the light is red. ( ) 2. Yu _____ take gd care f yung children. ( ) 3. Yu _____ pick the flwers. ( ) 4. Yu _____ spit n the grund. ( ) 5. Yu _____ keep ff the grass.
A. must B. mustn’t
1. A. lightB. flrC. crss2. A. childrenB. yungC. ld3. A. shuldB. mustC. wait4. A. nB. litterC. at5. A. greenB. redC. light
二、选出下列每组单词中不同类的一项。
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