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Ⅰ. 根据下列标志，补充其对应的英文说明。
Ⅱ. 用括号内所给词的适当形式填空。
1. - Excuse me, sir! No________ (park), please!
- Sorry, I didn’t know.
2. Don’t ________ (run) in the school dining hall, Bob!
3. If you ________(see) Linda, ________(tell) her to call me back right away.
4. If Bill ________(be) bored at home, ________(get) a book for him to read.
5. If your child ___________ (not know) how to solve this problem, just ________(give) him
some instructions (指示).
1.
No
2.
No
3.
No
NOISE
4.
Don't
5.
Don't
6
No(共28张PPT)
Unit 3
Language in use
Module 5 Museums
Look at the signs and fill in the blanks.
No __________.
No ________.
________ the grass.
No ________.
______ move.
______ touch.
swimming
parking
Keep off
photos
Don't
Don't
What can you get
它们都是表示禁止的祈使句。
Now let's read more examples.
1. No shouting!
2. Don't cross that rope!
3. Don't be rude!
4. No entry.
5. No photos.
1. No _________ (shout)!
2. ___________ (not cross) that rope!
3. ___________ (not be) rude!
4. No ________ (entry).
5. No ________ (photo).
shouting
Don't cross
Don't be
entry
photos
go
Ready
表示禁止的祈使句
Focus on
重点关注
表示“禁止做某事”的祈使句结构：
(1) No + 动名词.
No smoking. 禁止吸烟。
No shouting. 请勿喧哗。
(2) No + 名词.
No photos. 请勿拍照。
(3) 其他祈使句结构：
动词原形+宾语+其他成分./Don't +动词原形.
Don't touch. 请勿触摸。
Keep clear of the door. 请勿靠近门。
① You mustn't take photographs of the exhibits in museums.
在博物馆里不得给展品拍照。
② In most museums you can't make any noise.
在大多数博物馆里禁止喧哗。
(1) You mustn't/ can't…
(2) You aren't allowed to…
You are not allowed to touch the exhibits.
不要触摸展品。
其他可以表示“禁止做某事”的结构：
拓展
k
直击中考
_________ walk on the grass.
(2020 黑龙江绥化)
A. Doesn't B. Don't C. Not
Watch the video and then fill in the blanks.
If you ____ ______ and you _____ it, clap your hands.
If you ____ ______ and you _____ it, ______ your feet.
__ you ____ ______ and you _____ it, ______ “Hurray”.
are happy
know
are happy
know
are happy
know
stomp
shout
If
Watch and say
What can you get
它们都是“________________________ ”的结构，表示“___________________”。
if 条件状语从句+祈使句
如果……就……
“if从句+祈使句”结构表达建议
Focus on
重点关注
If引导的条件状语从句表示建议
Ⅰ. 结构：if从句+祈使句
① If you want to go, please tell me.
如果你想去的话，请告诉我一声。
② If you want to know more about it, call now.
如果你想了解更多内容，现在就打电话吧。
③ If you want to know what to see, look at the guide.
如果你想知道有什么可看的，就看一下指南吧。
If you ever go to London, make sure you visit the Science Museum.
如果你去伦敦，一定要去参观科学博物馆。
这个句子可以改写为：
Make sure you visit the Science Museum if you ever go to London.
Ⅱ. 位置：if从句可以放在主句之前，也可放在主句之后。
if从句
主句
if从句
主句
Ⅲ. 用法：“if从句+祈使句”这种结构用来表达建议。
如果对方生病了，你建议他去看医生可以说：
If you do not feel well, please go to see the doctor.
你如果感觉不舒服，就去看医生吧。
k
直击中考
– Thank you for telling me so much
knowledge about nature.
– Don' t mention it. ______ you have more
questions, come to me any time.
(2018 四川乐山)
A. If B. Because C. Though
以下部分为课本练习，供老师在对答案时选择使用。
Match the signs with the rules. (P 38)
1 No swimming.
2 No football.
3 No right turn.
4 No parking.
5 No littering.
6 No food and drinks.
1
Look at the signs and write the rules. (P 38)
④
③
②
①
____________ ____________
____________ ____________
Do not touch.
No smoking.
No photos.
No entry.
2
Complete the sentences with the correct form of the words in brackets. (P 39)
1. If you _______ (want) to see old machines, _______ (go) to the museum.
2. If you ______ (visit) London, _______ (take) a boat trip on the river.
3. If the computer does not _______ (start) immediately, _______ (wait) for one minute.
4. If the weather ________ (get) colder, _______ (put) on more warm clothes.
5. If any student ________ (have) a high fever, _______ (send) him/her to the school doctor at once.
6. If you ________ (want) to know how it works, ________ (read) the book.
want
go
visit
take
start
wait
3
gets
put
has
send
want
read
Complete the sentences with your own ideas. (P 39)
If you want to join our team, practise more after class.
1. If you do not like the TV programme, __________________________.
2. If you want to know where you are, ______________________________.
3. If you cannot arrive at the station on time, _____________________________.
4. If you need to send an email, ____________________________________.
read a book instead
ask someone
call your friends and let them know
use the computer at the back of the classroom
Possible answers:
4
Work in pairs. Ask and answer questions about the museum. (P 39)
Now write some advice for visitors. Use If.
If you want to see ancient technology, go to the ground floor.
5
- What can you see at the museum
- You can see an exhibition about…
Complete the sentences with the words or expression in the box. (P 40)
at between inside into next to on
1. The Science and Technology Room is ________ the third floor.
Take the lift to the third floor. It is over there, _______ the stairs.
3. There is a garden ________ the back of the building.
4. You are not allowed to go _______ the museum without paying.
5. The shop is _________ the ticket office and the main door.
6. There must be another way ________ the room.
on
next to
at
6
inside
between
into
Complete the passage with the expressions in the box. (P 40)
as well as well as compare…with…
looking forward to make sure pay attention to
Well, here we are at the Science Museum. Today we will be looking at ancient and modern technology. You can learn about history (1) __________ technology. That's because changes in technology have changed the world. Please (2) ______________ some machines or tools invented in ancient China. They are very important in history and have changed the world forever.
When you write your reports later, (3) _________ that you (4) ________ ancient technology _______ modern technology. You might include some information about life in ancient and modern times (5) _________.
I'm (6) ________________ reading the reports of your visit.
as well as
pay attention to
7
make sure
with
as well
looking forward to
compare
Listen and label the different parts of the museum. (P 40)
a) Ancient World
b) A special room
c) Modern World
d) Natural World
e) Restaurant
f) Ticket Office
g) Toilet
1
2
3
4
5
6
7
8
Ⅱ. “禁止做某事”的结构：
1. No + 动名词
2. No + 名词
3. Don't + 动词原形
4. You mustn't/can't…
5. You aren't allowed to…
Ⅰ. if引导的条件状语从句:
if从句+祈使句
用来表达建议
1. Can you write instructions for the common signs in public places
2. Can you plan a guide to a museum
Quiz
Ⅰ. 根据下列标志，补充其对应的英文说明。
littering
left turn
fishing
make noise
touch
pets
Ⅱ. 用括号内所给词的适当形式填空。
1. - Excuse me, sir! No________ (park), please!
- Sorry, I didn't know.
2. Don't ________ (run) in the school dining
hall, Bob!
3. If you ________(see) Linda, ________(tell)
her to call me back right away.
4. If Bill ________(be) bored at home, ________
(get) a book for him to read.
5. If your child ____________ (not know) how to
solve this problem, just ________(give) him
some instructions (指示).
parking
run
see
tell
is
doesn't know
get
give
Homework
1. Finish the exercise in Learning English.
2. Preview the new words and expressions in Module 6.(共4张PPT)
祈使句因对象（即主语）是第二人称，所以通常都省略。祈使句的动词都为动词原形，
句末用句号或感叹号，读时用降调。
祈使句
① Keep off the grass!
② Wave to say goodbye.
③ Be careful!
④ Don’t say that again.
⑤ Be quiet, please. (Please be quiet.)
祈使句是用来表达请求、命令、劝告、叮嘱、希望或禁止等语气的句子。
(1) Do型 (即：动词原形+宾语+其他成分)。有的祈使句在意思明确的情况下，动词可以省略。
Let me help you.
(3) Let型(即：Let+宾语+动词原形+其他成分)
Be a good boy!
(2) Be型 (即：Be+表语+其他成分)。
① Have a seat here.
这边坐。
② This way, please.
= Go this way, please.
请这边走。
要做一个好孩子!
让我来帮你。
肯定结构:
(1) Do型和Be型的否定式都在句首加don’t或never构成。
(3) 有些否定祈使句用“No+名词/v-ing”结构，表示“禁止做某事”。
① No smoking!
② No fishing!
否定结构：
Don’t let him go. / Let him not go.
别让他走。
(2) Let型的否定式有两种：
“Don’t＋let+宾语+动词原形+其他成分”和“Let+宾语+not+动词原形+其他成分” 。
① Don’t forget me!
② Never be late for school!
不要忘记我！
上学不要迟到!
禁止吸烟！
禁止钓鱼！
(1) 为了显得更为客气和礼貌，我们常在祈使句中加上please。当 please用在句末时，需用逗号与其余部分隔开。
- Don’t go out, please. It’s raining hard. - OK, I won’t.
— 请不要出去。正下着大雨呢。
— 好，我不会出去的。
Please hurry up. = Hurry up, please.
(2) 祈使句的动作通常是表示将来发生的动作，所以回答祈使句时，一般用 will或won’t。在回答时，要注意分析上下文语境中所提供的条件。
请快点。
注意：
