(共18张PPT)
Lesson 2
We mustn’t cross the
street now
Let’s learn & Let’s chant
科普版英 语 五 年 级 下 册
must
street
light
穿过
街道
cross
灯
线
line
必须
Review
Lead in
Many rules in school
Let’s learn
Presentation
You can there.
turn left
park the car
turn around
— OK.
— You mustn’t here.
cross the street
cross the street
You mustn’t turn left here.
You can turn left there.
You mustn’t park here.
You can park there.
You mustn’t turn around here.
You can turn around there.
“must”的用法
肯定句结构：主语+must+动词原形+其他
否定句结构：主语+ mustn’t+动词原形+其他
Key pionts
smoke
Practice
You mustn’t _______ here.
smoke
You mustn’t __________ here.
put the bike
put the bike
stop
You mustn’t _____ here.
stop
make noise
You mustn’t _________ here.
make noise
你知道这些标志吗？
stop
signal ahead
left turn only
right turn only
yield
no u-turn
railroad crossing
speed limit
hospital
Let’s chant
所以我们做正确的事。
So we do what’s right.
right 右边；正确的
Look to the right.
看看右边。
There‘s none on the left.
左边什么也没有。
We can cross without fear.
我们可以大胆地过马路。
Let’s chant together!
Exercises
一、看图片，根据首字母提示完成句子。
1.You can t____ l____ there.
2.Can I p____the c____ there.
3.You mustn’t t_____ a_____ there.
urn
eft
ark
ar
urn
round
二、照样子完成句子。
例：cross the street
You must cross the street.
You mustn't cross the street.
park your car here
You must park your car here.
You mustn’t park your car here.
七彩课堂
伴你成长
1.本课巩固学习情态动词must的肯定句及否定句用法。
2.通过跟唱let’s chant,了解出行交通规则，并了解单词right的两个意思。
Summary
七彩课堂
伴你成长
将Let’s learn中的句子写下来并自己画一画交通标志。
one
two
Homework
选择几个交通标志，分别写一个must的肯定句和否定句。
