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1、人教版八年級(jí)英語上冊(cè)第十單元SectionA1a2d教學(xué)課件Section A(1a-2d)學(xué)練優(yōu)八年級(jí)英語上（RJ）教學(xué)課件If you go to the party,youll have a great time!八年級(jí)英語（八年級(jí)英語（RJRJ上）上）教學(xué)課件教學(xué)課件無憂PPT整理發(fā)布初中英語語法If引導(dǎo)的真實(shí)條件狀語從句主講：齊緒友單位：山東省梁山縣韓崗鎮(zhèn)第一中學(xué)無憂PPT整理發(fā)布If引導(dǎo)的真實(shí)條件句非真實(shí)條件句3.時(shí)態(tài)呼應(yīng)1.主從句的位置2.If的兩面性真實(shí)條件句If引導(dǎo)的條件狀語從句一.定義二.主要要素if“如果,假如”它引導(dǎo)的句子表示“在條件下，某事才能發(fā)生”，真實(shí)條件句用于陳

2、述語氣，表示假設(shè)的條件可能存在或發(fā)生。無憂PPT整理發(fā)布（主句）（主句）Iwillstayathomeifitrainstomorrow.1.主從句的位置主從無逗從主有逗（從句）=Ifitrainstomorrow,Iwillstayathome.（從句）無憂PPT整理發(fā)布2.If的兩面性1)Wewillgooutifitisfinetomorrow.2)Iwanttoknowifheisateacher.if在條件狀語從句中翻譯為“如果”if在賓語從句中翻譯為“是否”如果 whether無憂PPT整理發(fā)布2.If的兩面性3.時(shí)態(tài)呼應(yīng)1)主句為一般將來時(shí)態(tài)，if從句用一般現(xiàn)在時(shí)態(tài)（主將從現(xiàn)）。

3、1.Wewillstayathomeifitrainstomorrow.2.Wearegoingtostayathomeifitrainstomorrow.注意X在if引導(dǎo)的條件狀語從句中，當(dāng)主句是一般將來時(shí)時(shí)，不能夠使用be going to結(jié)構(gòu)，而要用will/shall無憂PPT整理發(fā)布2.If的兩面性3.時(shí)態(tài)呼應(yīng)3)主句為祈使句，if從句用一般現(xiàn)在時(shí)態(tài)（主祈從現(xiàn)）1.Youmuststopifthetrafficisred.2.DontwaitformeifIamlate.2)主句中含有情態(tài)動(dòng)詞，if從句用一般現(xiàn)在時(shí)態(tài)(主情從現(xiàn)）1.Ifyoufinishyourhomework,yo

4、ucangohomenow.2.Ifyoudrivetoofast,youmayhaveanaccident.無憂PPT整理發(fā)布總結(jié)If引導(dǎo)的真實(shí)條件句用法巧記憶：從主有逗，主從無逗；主將從現(xiàn)，主祈從現(xiàn)，主情從現(xiàn)；是否如果，要分清楚。無憂PPT整理發(fā)布2.If的兩面性3.時(shí)態(tài)呼應(yīng)三、練習(xí)鞏固3.Youmaypasstheexamifyou(study)hard.willcomecomeswillgive1.Iftherain_(stop)tonight,wewillgotothecinema.一）給所給詞的適當(dāng)形式填空解析：if意為“是否”，引導(dǎo)條件句主將從現(xiàn)，所以從句為一般現(xiàn)在時(shí)2.Iwan

5、ttoknowifhe_(come)tomorrow,ifhe_(come),I_(give)themassagetohim.解析：第一空，if意為“是否”，引導(dǎo)賓語從句，時(shí)態(tài)為一般將來時(shí)；第二三空，if意為“如果”引導(dǎo)條件句，主將從現(xiàn)解析：if意為“如果”引導(dǎo)條件句，主情從現(xiàn)stopsstudy無憂PPT整理發(fā)布二）選擇4.Pleasestayathomeifittomorrow.A.rainsB.rainedC.willrainD.rain解析：if引導(dǎo)條件狀語從句,主句放在從句之前，主句是祈使句，從句用一般現(xiàn)在時(shí)，選A5I_hertheanswerifshe_me.A.amgoingto

6、tell,asksB.willtell,asksC.amgoingtotell,askD.willtell,ask解析：在if引導(dǎo)的條件狀語從句中，當(dāng)主句是一般將來時(shí)時(shí)，不能夠使用begoingto結(jié)構(gòu)，而要用will,選B三、練習(xí)鞏固 Key words&phrases:meeting,video,organize,chocolatego to the party,have a great time,stay at home,take the bus,watch a video,potato chipsLanguage Targets Key sentences:1.If you go to

7、 the party,youll have a great time.2.I think Ill go to the party with Karen and Anna.3.If we ask people to bring food,theyll just bring potato chips and chocolate because theyll be too lazy to cook.Difficulties and points:Ifadverbials，conditional adverbials.Match the statements with the pictures a-d

8、.StatementsResponses1._ I think Ill wear jeans to the party.If you do,the teachers wont _.2._ I think Ill stay at home.If you do,youll _.3._ I think Ill take the bus to the party.If you do,youll _.4._ I think Ill go to the party with Karen and Anna.If you do,youll _.cdba1aListen and complete the res

9、ponses in 1a.StatementsResponses1._ I think Ill wear jeans to the party.If you do,the teachers wont _.2._ I think Ill stay at home.If you do,youll _.3._ I think Ill take the bus to the party.If you do,youll _.4._ I think Ill go to the party with Karen and Anna.If you do,youll _.let you inbe sorrybe

10、latehave a great timecdba1bA:Are you going to the party tomorrow night?B:Yes,I am.A:Who will you go with?B:I think Ill go with Karen and Anna.A:If you do,youll have a great time.1cLook at the pictures above and make conversations.I think Ill wear jeans to the party?What will you wear to the party?If

11、 you do,the teachers wont let you in.Yes,I am.Are you going to the party tomorrow?How will you go there?I think Ill take the bus to the party.If you do,youll be late.Are you going to the party tomorrow?If you do,youll be sorry.I think Ill stay at home.Listen and circle the correct answers to complet

12、e the sentences below.1.The students are talking about when to have(a class party/a class meeting/a birthday party).2.They plan to have it on(Friday evening/Saturday afternoon/Saturday evening).2a1.What will happen if they have the party today?2.What will happen if they have the party tomorrow?Half

13、the class wont come.Listen again.Choose the correct shortanswer in the box to answer each question.half the class wont come some students will be bored make some food students will leave early the party gamesStudents will leave early.2bSome students will be bored.The party games.Make some food.3.Wha

14、t will happen if they watch a video at the party?4.What will Mark organize?5.What will Nelly do?Role-play a conversation between Nelly and Mark.A:OK,when is a good time to have the party?B:Lets have it today.A:Hmm.If we have it today,half the class wont come.2cRole-play the conversation.2dJeff:Hey,B

15、en.For the party next week，should we ask people to bring food?Ben：No，lets order food from a restaurant.If we ask people to bring food，theyll just bring potato chips and chocolate because theyll be too lazy to cook.Jeff：OK.For the games，do you think we should give people some small gifts if they win?

16、Ben：I think thats a great idea！If we do that，more people will want to play the games.Jeff：Yes，the games will be more exciting，too.嘿，本，下周有一個(gè)派對(duì)，我們?cè)摳嬖V人們帶一些食物嗎？不，我們?cè)诓宛^點(diǎn)食物，如果我告訴人們帶食物，他們只會(huì)帶薯?xiàng)l和巧克力因?yàn)樗麄儜械米鍪澄?。好的，游戲方面，你認(rèn)為我們應(yīng)該買一些小禮物作為贏得獎(jiǎng)品嗎？我認(rèn)為這是個(gè)好主意！如果我們這么做，更多人會(huì)參加游戲。是的，游戲也會(huì)變得更有趣。1I think Ill go to the party wit

17、h Karen and Anna.(1)“will動(dòng)詞動(dòng)詞原形原形”是是一般將來時(shí)的一種構(gòu)成一般將來時(shí)的一種構(gòu)成形形 式式，表示將來的動(dòng)作或者狀態(tài)，其否定式是，表示將來的動(dòng)作或者狀態(tài)，其否定式是在在 will后加后加not。例例：I will go to see you the day after tomorrow.后天后天我會(huì)去看你。我會(huì)去看你。(2)go to the party 參加聚會(huì)。參加聚會(huì)。go to后接地點(diǎn)名詞后接地點(diǎn)名詞，接接副詞時(shí)省略副詞時(shí)省略to。例例：We will go there by bus.我們將坐公交車去我們將坐公交車去那那 兒兒。2.If you go to

18、 the party，youll have a great time.have a great time 玩得愉快。玩得愉快。其同義其同義短語短語 為為have fun、have a good time和和enjoy oneself，但但have a great time表示的愉快程度更深一些。表示的愉快程度更深一些。例例：Did you have a great time at Jims birthday party？你們?cè)诩返纳站蹠?huì)你們?cè)诩返纳站蹠?huì)上上 玩玩得開心嗎？得開心嗎？Yes，we enjoyed ourselves very much.是的，我們玩得很開心。是的，我們玩得

19、很開心。3The students are talking about when to have(a class party/a class meeting/a birthday party)(1)when to do sth.何時(shí)做某事何時(shí)做某事。是。是“疑問詞疑問詞 動(dòng)詞動(dòng)詞不定式不定式”的結(jié)構(gòu)的結(jié)構(gòu)，在句中作賓語。該，在句中作賓語。該結(jié)結(jié) 構(gòu)構(gòu)在句中還可作主語、表語等。在句中還可作主語、表語等。例例：When to start has not been decided.何時(shí)何時(shí) 出發(fā)出發(fā)尚未確定。尚未確定。(2)meeting n.會(huì)議會(huì)議；集會(huì)；會(huì)面。常用短語；集會(huì)；會(huì)面。常用短語：h

20、ave/hold a meeting開會(huì)；開會(huì)；attend a meeting 參加參加會(huì)議會(huì)議。例例：He spoke at the meeting in a high voice.他他 在在會(huì)上高聲發(fā)言了。會(huì)上高聲發(fā)言了。4.half the class wont come(1)half adj.一半的；絕大部分的一半的；絕大部分的。當(dāng)表示。當(dāng)表示 “半個(gè)半個(gè)”時(shí)，英式英語多用時(shí)，英式英語多用half a/the.，而而美式英語多用美式英語多用a/the half.例例:Half the time you dont even listen to what I say.你甚至絕大部分時(shí)間都

21、沒聽你甚至絕大部分時(shí)間都沒聽我我說說的話。的話。(2)class在此為集體名詞，意為在此為集體名詞，意為“班，班級(jí)班，班級(jí)”。集體集體名詞通常表示兩種含義，一是表示整體名詞通常表示兩種含義，一是表示整體，二二是表示成員。它表示整體時(shí)被視為單數(shù)是表示成員。它表示整體時(shí)被視為單數(shù)，作主作主語時(shí)謂語動(dòng)詞用單數(shù)形式；表示成員語時(shí)謂語動(dòng)詞用單數(shù)形式；表示成員時(shí)時(shí) 被被視為復(fù)數(shù)，作主語時(shí)謂語動(dòng)詞用復(fù)數(shù)形式視為復(fù)數(shù)，作主語時(shí)謂語動(dòng)詞用復(fù)數(shù)形式。常見常見的集體名詞還有的集體名詞還有family、team等。等。例例：The class are all interested in English.全全 班同學(xué)班

22、同學(xué)都對(duì)英語感興趣都對(duì)英語感興趣。The class is made up of 55 students.這個(gè)這個(gè) 班班由由55名名同學(xué)同學(xué)組成。組成。5.If we ask people to bring food，theyll just bring potato chips and chocolate because theyll be too lazy to cook.(1)此句此句為為if引導(dǎo)的條件狀語從句的復(fù)合句。引導(dǎo)的條件狀語從句的復(fù)合句。含含 if引導(dǎo)的條件狀語從句的復(fù)合句中，引導(dǎo)的條件狀語從句的復(fù)合句中，主句是主句是 祈使句祈使句或或主句時(shí)態(tài)是一般將來時(shí)或主句的主句時(shí)態(tài)是一般將

23、來時(shí)或主句的 謂語謂語含情態(tài)動(dòng)詞含情態(tài)動(dòng)詞，那么從句就要用，那么從句就要用一般一般現(xiàn)現(xiàn) 在時(shí)來表將來。在時(shí)來表將來。例例：If it rains，we will not go swimming.如如 果果下雨，我們就不去游泳。下雨，我們就不去游泳。中考鏈接Can Mr.King spare some time for the Can Mr.King spare some time for the meeting?meeting?If he If he _,he _,he will try his best to make itwill try his best to make it.（2017

24、2017內(nèi)蒙古內(nèi)蒙古呼和浩特）呼和浩特）A.will A.will be invited be invited B.is B.is invited invited C.invites D.invited C.invites D.invited解析解析 答句答句是是if if引導(dǎo)的引導(dǎo)的條件狀語從句條件狀語從句的復(fù)合句，主的復(fù)合句，主句為一般將來時(shí)句為一般將來時(shí)，則從句要用，則從句要用一般一般現(xiàn)在時(shí)來表現(xiàn)在時(shí)來表將來。將來。B (2)ask sb.to do sth.要求要求/請(qǐng)求某人做某事。請(qǐng)求某人做某事。其否定形式是其否定形式是ask sb.not to do sth.。例：例：He ask

25、ed me to wait a moment.他讓我他讓我等一會(huì)兒。等一會(huì)兒。(3)because theyll be too lazy to cook是由是由because引導(dǎo)的原因狀語從句。注意：句中有引導(dǎo)的原因狀語從句。注意：句中有連詞連詞because則不能再用連詞則不能再用連詞so。例：例：I was late because I missed the bus.我我來晚了，因?yàn)槲义e(cuò)過了公交車。來晚了，因?yàn)槲义e(cuò)過了公交車。Exercise一、用所給詞的適當(dāng)形式填空。一、用所給詞的適當(dāng)形式填空。1.I will attend a 1.I will attend a _（meetmeet）

26、this afternoon.this afternoon.2.My mother asks me 2.My mother asks me _(_(not go)out not go)out alone alone at night.at night.3.We havent decided when 3.We havent decided when _(_(start)off.start)off.4.The class 4.The class _（be)playing games on the be)playing games on the playground playground.5.If

27、 he 5.If he _(_(come),Ill give you a e),Ill give you a call.meetingnot to goto startarecomes二、按要求完成句子。二、按要求完成句子。1.Can 1.Can you tell me how I can get to the you tell me how I can get to the supermarket supermarket?（寫出同義句）（寫出同義句）Can Can you tell me how you tell me how _to _to the the supermarket?supe

28、rmarket?2.Lucy 2.Lucy asks me to wait for her at the school gateasks me to wait for her at the school gate.（改為否定句）改為否定句）Lucy asks Lucy asks me _ for me _ for her at the her at the school school gategate.to getnot to wait3.We 3.We had a great time in Shanghai.had a great time in Shanghai.（寫出（寫出同同義義 句句）We _ We _ in Shanghai.in Shanghai.had fun/enjoyed ourselves1.Master the new words and phrases in this lesson.2.Role-play the conversation in 2d.3.Preview the part“Grammar Focus”.