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1、1.No shouting,please!2.Dont cross that rope!3.Dont be rude!4.If you ever go to London,make sure you visit the Science Museum.Look at the following sentences.1.No shouting,please!請(qǐng)勿喧嘩請(qǐng)勿喧嘩!Dont cross that crop!不要越過(guò)那條繩子！不要越過(guò)那條繩子！No photos.請(qǐng)勿拍照。請(qǐng)勿拍照。e.g.No smoking.禁止吸煙。禁止吸煙。Language notes No shouting.請(qǐng)勿
2、喧嘩。請(qǐng)勿喧嘩。No joking!不要開(kāi)玩笑！不要開(kāi)玩笑！e.g.No photos.請(qǐng)勿拍照。請(qǐng)勿拍照。No entry.請(qǐng)勿入內(nèi)。請(qǐng)勿入內(nèi)。祈使句同樣可以用來(lái)表示祈使句同樣可以用來(lái)表示“禁止做某禁止做某 事事”。e.g.Dont make any noise.不要吵鬧。不要吵鬧。Keep off the grass.請(qǐng)勿踐踏草坪。請(qǐng)勿踐踏草坪。1.Match the signs with the rules.1.No swimming.2.No football.3.No right turn.4.No parking.5.No littering.6.No food and drink
3、s.2.Look at the signs and write the rules._Dont touch.No smoking.No photos.No entry.Look at the signs and write the rules.Dont touch.No photos.No smoking.No entry.What does each sign mean?Write the rules.Dont drink the water.No parking.No fire.No food and drinks.if引導(dǎo)的狀語(yǔ)從句。引導(dǎo)的狀語(yǔ)從句。if引導(dǎo)的狀語(yǔ)從句不是引導(dǎo)的狀語(yǔ)從句不
4、是指已經(jīng)發(fā)生的事件，而是指能夠發(fā)生或可能指已經(jīng)發(fā)生的事件，而是指能夠發(fā)生或可能發(fā)生的事件。發(fā)生的事件。1.if從句的構(gòu)成，例句：從句的構(gòu)成，例句：If you want to go,please tell me.如果你想去的話(huà)，請(qǐng)告訴我一聲。如果你想去的話(huà)，請(qǐng)告訴我一聲。狀語(yǔ)從句狀語(yǔ)從句If you want to know more about it,call now.如果你想了解更多內(nèi)容，現(xiàn)在就打電話(huà)吧。如果你想了解更多內(nèi)容，現(xiàn)在就打電話(huà)吧。If you want to know what to see,look at the guide.如果你想知道可參觀的內(nèi)容，就讀一下指如果你想知道可
5、參觀的內(nèi)容，就讀一下指南吧。南吧。if后面通常接一個(gè)完整的句子作從句。后面通常接一個(gè)完整的句子作從句。2.if從句的位置從句的位置 if引導(dǎo)的從句可以放在主句之前，也引導(dǎo)的從句可以放在主句之前，也 可以放在主句之后。可以放在主句之后。例如：例如：If you ever go to London,make sure you visit the Science Museum.如果你去倫敦，一定要去參觀科學(xué)如果你去倫敦，一定要去參觀科學(xué)博物館?？梢愿膶?xiě)為：博物館。可以改寫(xiě)為：Make sure you visit the Science Museum if you ever go to London
6、.3.if從句的用法從句的用法 本模塊主要學(xué)習(xí)并運(yùn)用本模塊主要學(xué)習(xí)并運(yùn)用“if從句從句+祈祈使句使句”這種結(jié)構(gòu)來(lái)表達(dá)建議。這種結(jié)構(gòu)來(lái)表達(dá)建議。比如比如說(shuō)，如果對(duì)方生病了，你建議他去說(shuō)，如果對(duì)方生病了，你建議他去看醫(yī)生，就可以說(shuō)：看醫(yī)生，就可以說(shuō)：If you do not feel well,please go to see the doctor.你如果感覺(jué)不舒服，就去看醫(yī)生吧。你如果感覺(jué)不舒服，就去看醫(yī)生吧。“禁止做某事禁止做某事”的句型總結(jié)的句型總結(jié)（1）No+v.-ing!No talking!（2）否定祈使句。）否定祈使句。Dont jump.（3）情態(tài)動(dòng)詞）情態(tài)動(dòng)詞must表示表示“
7、禁止禁止”。You mustnt play with fire.（4）cant表示表示“不允許不允許”。You cant make any noise.（5）You arent allowed to 表示表示“不允許不允許對(duì)方做某事對(duì)方做某事”。You arent allowed to watch TV at home before you finish your homework.祈使句用來(lái)表達(dá)叮囑、勸告、希望、禁祈使句用來(lái)表達(dá)叮囑、勸告、希望、禁止、警告、請(qǐng)求或命令等。祈使句最常用止、警告、請(qǐng)求或命令等。祈使句最常用來(lái)表達(dá)命令。來(lái)表達(dá)命令。Go and wash your hands.快去
8、洗手?？烊ハ词?。（命令）（命令）Be quiet,please.請(qǐng)安靜。請(qǐng)安靜。（請(qǐng)求）（請(qǐng)求）Be kind to our sister.要對(duì)我們的妹妹友善。要對(duì)我們的妹妹友善。（勸告）（勸告）Watch your steps.走路小心。走路小心。（警告）（警告）No littering.不要亂扔垃圾。不要亂扔垃圾。（禁止）（禁止）Dont forget to take an umbrella.不要忘了帶雨傘。不要忘了帶雨傘。（叮囑）（叮囑）祈使句的特點(diǎn)：祈使句的特點(diǎn)：(1)祈使句一般沒(méi)有主語(yǔ)，說(shuō)話(huà)的對(duì)象都是祈使句一般沒(méi)有主語(yǔ)，說(shuō)話(huà)的對(duì)象都是第二人稱(chēng)第二人稱(chēng)“你你”或或“你們你們”，所以也可
9、以，所以也可以理解為省略了主語(yǔ)理解為省略了主語(yǔ)you。祈使句末用句號(hào)或。祈使句末用句號(hào)或驚嘆號(hào)，句子讀時(shí)用降調(diào)。驚嘆號(hào)，句子讀時(shí)用降調(diào)。(2)以動(dòng)詞原形開(kāi)頭，無(wú)時(shí)態(tài)和數(shù)的變化。以動(dòng)詞原形開(kāi)頭，無(wú)時(shí)態(tài)和數(shù)的變化。(3)祈使句的否定形式是在動(dòng)詞原形前加祈使句的否定形式是在動(dòng)詞原形前加dont。Please close the door.請(qǐng)把門(mén)關(guān)上。請(qǐng)把門(mén)關(guān)上。Sit down,please.請(qǐng)坐。請(qǐng)坐。(4)在表達(dá)請(qǐng)求時(shí)，可以加上在表達(dá)請(qǐng)求時(shí)，可以加上please;表達(dá)表達(dá)比較強(qiáng)烈的語(yǔ)氣時(shí)，可以用感嘆號(hào)。比較強(qiáng)烈的語(yǔ)氣時(shí)，可以用感嘆號(hào)。Dont worry.Be happy.不要擔(dān)心，高興點(diǎn)兒。不
10、要擔(dān)心，高興點(diǎn)兒。Dont bring any food or drink into the lab next time.下次不要把任何食物或飲料帶到實(shí)驗(yàn)下次不要把任何食物或飲料帶到實(shí)驗(yàn)室來(lái)。室來(lái)。Dont forget to turn off the lights.不要忘記關(guān)燈。不要忘記關(guān)燈?？诳?訣訣 下面的口訣總結(jié)了祈使句的一般規(guī)律。下面的口訣總結(jié)了祈使句的一般規(guī)律。一起來(lái)看看吧一起來(lái)看看吧!祈使句祈使句,有特點(diǎn)有特點(diǎn),動(dòng)詞原形擺在前動(dòng)詞原形擺在前,否定句式也不難否定句式也不難,Dont 放在最前面放在最前面,其它一律都不變。其它一律都不變。3.Complete the sentence
11、s with the correct form of the words in brackets.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.wantwait gotakevisitstart4.If the weather _(get)colder,_(put)on more wa
12、rm 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.putsendread gets haswant4.Complete the sentences with your own ideas.1.If you do not like the TV programme,_.If you want to join our team,practise more aft
13、er class.1.If you do not like the TV programme,_.turn off the TV/change the channel Complete the sentences.read a book instead2.If you want to know where you are,_.ask the police for help Complete the sentences.3.If you cannot arrive at the station on time,_.wait for the next train Complete the sent
14、ences.4.If you need to send an email,_.turn on the computerComplete the sentences.5.If you want to go,please _.Complete the sentences.call6.If you want to go skating,_.Complete the sentences.wear warm clothes7.If you visit a museum,_.Complete the sentences.not shout,not run6.Complete the sentences w
15、ith the words or expression in the box.at,between,inside,into,next to,on 1.The Science and Technology Room is _ the third floor.2.Take the lift to the third floor.It is over there,_ the stairs.3.There is a garden _ the back of the building.onnext to at4.You are not allowed to go _ the museum without
16、 paying.5.The shop is _ the ticket office and the main door.6.There must be another way _ the room.insidebetweeninto7.Complete the passage with the expressions in the box.as well,as well as,comparewith,looking forward to,make sure,pay attention to Well,here we are at the Science Museum.Today we will
17、 be looking at ancient and modern technology.You can learn about history(1)_ technology.as well asThats because changes in technology have changed the world.Please(2)_ the 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.pay attention tomake surecomparewithYou might include some information about life in ancient and modern times(5)_.Im(6)_ reading the reports of your visit.as welllooking forward tohomework
九年級(jí)英語(yǔ)上冊(cè)《Module 5 Museums Unit 3 Language in use》課件
