王愛平
[摘 要]
PACE教學模式是一種基于輸入加工、互動和輸出理論并兼顧語言形式和意義的教學模式。它以交際教學法、建構主義及二語習得中的輸入加工、輸出強化假設理論為基礎,整合顯性語法教學與隱性語法教學,注意了語言形式與意義的兼顧。巧用PACE模式,旨在拓展語法教學思路,提升語法教學實效。
[關鍵詞]
初中英語;PACE教學模式;語言形式;語言意義;語法教學
一、引言
在我國中學英語教學中,語法教學一直是教學的重點。傳統的語法教學過于強調語言的形式和用法,而輕視語言的意義;而以交際能力為導向的交際語言教學法,強調培養學生的交際能力,但又對語言形式不夠重視。程曉堂(2013)認為,當前無論是采用以輸入為基礎還是以互動輸出為基礎的教學方法,傳統的關注語言形式,脫離意義、交際功能和語篇結構來教學的方法,已經逐漸被更加注重語言的形式—意義關系、促進在語境中呈現和使用語言形式的教學方法所取代。
在目前的初中語法教學中,教師普遍采用演繹法教學,即教師先羅列語法規則,然后展示例句,忽視教師引導下的以學生為中心的發現式、探究式以及情景式語法教學行為(王平,2011)。老師上課講得很辛苦,學生不感興趣,實際掌握的效果并不理想。一線教師在語法教學方面存在不少困惑。比如,怎樣教語法才能引起學生的興趣,怎樣將死的語法規則教活,怎樣讓學生能運用自如,該如何設計語法教學活動,等等。因而,有必要探索實施有效語法教學的途徑。
美國語言學家Adair-Hauck&Donato;(2002a)提出了PACE教學模式,PACE四個字母依次代表Presentation(呈現語言材料)、Attention(注意語言形式)、Co-construction(共建語法規則)、Extension(開展拓展活動)。它以交際教學法、建構主義及二語習得中的輸入加工、輸出強化假設理論為基礎,整合顯性語法教學與隱性語法教學,注意了語言形式與意義的兼顧,從而提高學生運用語法知識的能力。PACE這種基于輸入加工、互動和輸出理論并兼顧語言形式和意義的教學模式,對于初中英語語法教學有著積極的影響。筆者所在的備課組嘗試將其運用到語法教學中,取得了較好的教學效果。下面,筆者將通過具體的教學案例,闡述PACE教學模式在初中英語語法課堂中的具體運用。
二、具體課例分析
在南通市英語學科基地活動中,筆者執教了 8B Unit3 Online travel (Grammar)。本課時的教學目標為:(1)初步掌握并使用一般現在時和一般過去時的被動語態。(2)熟悉并理解使用被動語態的語境。(3)培養學生聽、說、讀、寫綜合運用英語的能力。(4)能在語言學習中逐漸養成觀察、比較、分類、歸納、推理等思維方式。(5)能在語法學習活動中學會與他人合作學習,在小組活動中互相幫助,共同完成學習任務。
針對本節課的特點,結合PACE教學模式,筆者設計了恰當的情境和任務,激發了學生的學習動機,調動了學生的學習積極性,很好地完成了教學任務。以下是本節課的教學過程。
Step 1 Presentation(呈現語言材料)
教師與學生進行語言交流,在對話中自然地導入新課,便于學生理解和接受。有了語境,學生的理解更為深刻。
【教學片段1】
T: Do you often speak English in your English class?
Ss: Yes, we do.
T: Good. We speak English in our English class.(屏幕呈現)
T: We can also say: English is spoken in our English class. (屏幕呈現,帶讀)
T: Oh, Im feeling a bit cold. Would you please close the door for me?
A boy: Sure. (一男生去關門)
T:Thank you. Thats really nice of you.
S: Youre welcome.
T: Boys and girls, do people plant trees every spring?
Ss: Yes, they do.
T: Yes. People plant trees every spring. Its good for our environment. (屏幕呈現,帶讀)
We can also say—— (引導學生說出)
Ss:Trees are planted every spring. (屏幕呈現,帶讀)
T: Who closed the door for me just now?
Ss: Li Xinzhou did.
T: Right. He closed the door just now. (屏幕呈現,帶讀)
T: Can we say in another way?
Ss: (學生嘗試說出) The door was closed by him just now. (屏幕呈現,帶讀)
...
T: Look at the next picture and answer my questions. Whose computer is this?
Ss: Its yours.
T: Yes, its mine. I bought it in 2007.
It was bought in 2007.(引導學生說出)
Where was it bought? Guess.
S1: It was bought in Beijing.
S2: It was bought in Nanjing.
T: Sorry, it wasnt bought in Beijing or Nanjing. It was bought in Nantong.(屏幕呈現)
[設計意圖]PACE教學模式提倡語境教學,通過為學生提供可理解且有意義的語言材料來創設語境,從而保證學生在接觸大量的目的語的情況下,理解語言的意義,為其掌握語言的形式奠定基礎。因此,素材的選擇尤為重要。白治堂(2008)認為,這樣的素材必須具備趣味性、情景性和實用性三個特點。趣味性是指該素材能夠吸引學生的注意力,讓他們產生學習的興趣;情景性是指該素材能借助一定的情節和提供一定的情景,有助于激發學生的想象力,使他們在接觸之后很長一段時間內仍然能夠回憶起該素材的內容;實用性是指該素材既要囊括本單元的語法項目,重點突出,又要簡單易懂。這里的素材可以是故事、詩歌或視頻。
Step 2 Attention(注意語言形式)
教師引導學生觀察黑板上的句子,初步引起學生對句子所含的語言形式的注意,增強學生關注目標語法的意識。
【教學片段2】
Watch the first group of sentences.
[We speak English in our English class.We plant trees in spring.He closed the door just now.Lu Xun wrote the two books in the past.]
T: These sentences tell us who does or did something. They use the active voice.
主動語態中,主語是動作的_______.(執行者/ 承受者)
Look at the second group of sentences.
[English is spoken in our English class.Trees are planted every spring.The door was closed by him just now.The two books were written by Lu Xun in the past.]
T: Are they the same as the first group?
Ss: No.
T: They tell us what is done or what was done, right?
Ss: Yes.
T: They use the passive voice. 被動語態中,主語是動作的_______.(執行者/ 承受者)
[設計意圖]此階段由關注材料的內容過渡到關注材料的語言形式。為了吸引學生關注文本中的語法現象,教師可通過較為醒目的方式,如用黑體、斜體、加粗、下劃線、彩體字、方框等方式標注出來,還可以適當地運用語言暗示。戴煒棟和任慶梅(2006)認為,如果學習者能夠注意到將要掌握的語法特征,他們對該語法特征的意識就增強了,那么,以后在接觸語言輸入時就會比較容易發現和注意到這些特征。
Step 3 Co-construction(共建語法規則)
【教學片段3】
T: Boys and girls, pay attention to the words in red. What structure is used?
Ss: Be+過去分詞。
T: In the simple present tense, we use “am/ is / are +past participle” to form the passive voice. In the simple past tense, we use(引導學生說出)“was/ were + past participle” to form the passive voice.
師板書以下內容:
am / is / are
[+ Past participle
was/ were][be ]
[設計意圖] 共建語法規則是指教師與學生共同解釋存在于語言材料中的語法規則,理解語法規則的目的是讓學生能運用語法規則。那么,如何共建語法規則呢?Adair-Hauck & Donato(2002b)認為,教師可為學生提供協助性的輔助問題(有助于學生發現語言形式的問題),或通過認知探討或暗示等方式,讓學生猜測、預測、假設和歸納目標語的語法形式。不同于引導式語法教學總是依賴教師提問,在師生共建語法的過程中,學生自身也需要提出問題,教師據此對學生的理解情況作出評估,并提供合適的引導方式。這部分的設計突出了演繹法和歸納法相結合的原則。鼓勵學生自己感悟、發現、歸納被動語態的意義和結構,并通過比較和分析了解主動語態和被動語態的區別,言簡意賅,把最本質的規律闡明,使學生感到簡潔明了,符合學生的認知規律。
Step 4 Extension(開展拓展活動)
輸出使學習者習得的語言更深。相對輸入來說,輸出需要付出更多的腦力(Swain,2000)。大量的語言輸入之后,需為學生創設輸出語言的機會,從而促進學生內化語法規則,使語法規則由短時記憶進入長時記憶。教師用與學生生活密切相關的題材創設情境,讓學生在情境活動中組織新的語言來完成交際任務,從而實現真正意義上的交際與思維。
[教學片段4]
1.模仿操練
T: Talk about the four pictures in pairs. Two minutes for you.
A: Is / Are …done …?
B: Yes,…/No, …
教師通過設計逼真的練習,讓學習者不斷地反復操練;大量的反復操練使學習者掌握語言的形式和意義;最后學習者逐漸掌握語言的功能,達到真正活用語法知識的目的。
2.看圖完成小語篇
Hongkong Disneyland __________(visit) by my sister last summer. A lot of intertesting things_________ (see) there. She really enjoyed herself. Many photos________ (take) and some ________ (put) on her homepage.
語法學習與語篇相結合,使語法練習情境化,為學生正確使用語法項目提供有意義的語言材料,并為接下來的寫作奠定基礎。
3.情景寫作,活學活用
[教學片段5]
以“A colourful weekend”和“A trip to Beijing”為題,分別用一般現在時和一般過去時的被動語態來完成兩篇小短文的寫作。
教者用Brainstorming的方式激活學生的思維,為寫作做好內容的鋪墊,以被動語態作為目標語言項目,進行連貫而有意義的表達,培養學生用所學的語法內容進行真實表達的能力,活學活用,由輸入到輸出,培養了學生的語言運用能力和思維能力。寫完后先進行小組交流和修改,然后在全班展示部分同學的寫作,請其他同學點評并指出優點和改進的建議,注意保護學生寫作的積極性。以下是部分學生的習作節選。
習作1:A colourful weekend
My weekend is colourful. The homework is finished by me. Then NBA games are watched by me. Some books are read in my study. After lunch, basketball is played by my friends and me. In the evening, the delicious food is eaten by my family. Sometimes the pop music is listened by me. After dinner, friends are chatted by me on the Internet.
I think my weekend is full of joy. A fantastic time is often had by me.
習作2: A colourful weekend
I often have a colourful weekend. Books are read by me. Homework is always done by me. TV is sometimes watched by me. Snacks are bought and eaten by me. Friends are sometimes visited. A bike is ridden by me. Music is listened to by me. Computer games are played by me. What a pleasant weekend!
習作3: A trip to Beijing
Last year, I went to Beijing with my parents. We had a wonderful time there.
First, the Great Wall was climbed by us in Beijing. When we arrived at the top of the Great Wall, we all felt a bit tired. The Palace Museum was also visited and many works of art were seen there. Then, Beijing Opera was enjoyed by us. Beijing Duck was also eaten by us and we thought the food in Beijing was delicious. After that, souvenirs were bought by my mother and my sister... Beijing is a really good place to go. I want to visit Beijing.
Step 5 Homework(布置家作)
教師讓學生在課堂分享、評價的基礎上,獨立完成并完善自己介紹周末生活和北京之旅的語篇,并要求學生正確使用被動語態。
[設計意圖]
課堂的討論內容延伸到課外,教師讓學生在課堂小組合作的基礎上,自主完成任務,鞏固所學內容,內化語法規則,激發學生的寫作熱情和對生活的熱愛。
三、總結與反思
從當時的課堂反饋來看,本課例的課堂實施效果比較好,學生聽課投入,積極參與,操練面廣。通過輸出評價環節可以看出,大多數學生能夠有意識地正確使用被動語態,教學目標有效達成,得到聽課老師的廣泛好評。PACE教學模式的運用,對語法課教學有積極的促進作用。因為它含有以下優勢:第一,PACE教學模式鼓勵學生接觸大量的目的語,注意語言形式以及加強對形式—意義/功能關系的認識;第二,它注重外顯知識在學生獲得內隱知識過程中的促進作用,如利用外顯意識增強式手段提升學生對語言形式的關注;第三,它能關注學習過程。學習是一個復雜的認知過程,教師通過問題引導學生獨立思考、同伴協商和小組討論,這樣不僅降低了認知難度,也有利于激發學生學習的主動性和積極性。另外,PACE教學模式也注重學生的情感因素。由于不要求學生立即對目標語法結構進行輸出,這就有效地減低了學生的焦慮程度。
在運用PACE模式進行語法教學時,教師要創設生動的情境導出目標語法,學生通過觀察、比較和分析,注意語言形式、共建語法的規則,結合有意義的任務運用目標語法。開展拓展活動時,需要注意三點:活動與所學知識之間應具有相關性;活動應具有真實的交際意義;活動應具有趣味性并能激發學生參與。總之,教師設計的任務應由易到難,層層遞進,符合學生的認知規律。只有搭建了足夠的語言支架,學生運用知識才不會感到無所適從。小組合作既能培養學生之間的合作意識,又能激發學生的參與熱情,在積極的交流和分享中,學生習得和內化了目標語法。
[參 考 文 獻]
[1]Adair-Hauck, B.& Donato, R. The PACE model: A story-based approach to meaning and form for standards-based language learning[J]. The French Review,2002,76(2).
[2]Adair-Hauck, B.& Donato, R. The PACE model—Actualizing the standards through storytelling: “Le Bras, la Jambe et le Ventre” [J]. The French Review,2002,76(2).
[3]Swain, M. The output hypothesis and beyond: Meditating acquisition through collaborative dialogue[A]. In J.P. Lantolf(Ed.), Sociocultural Theory and Second Language Learning [C]. Oxford: Oxford University Press,2000.
[4]白治堂.高中英語語法教學:從故事、規則到語感[J]. 中小學外語教學(中學篇),2008(7).
[5]程曉堂.關于英語語法教學問題的思考[J].課程·教材·教法,2013(4).
[6]戴煒棟,任慶梅.語法教學新視角:外顯意識增強式任務模式[J].外語界,2006(1).
[7]肖軍.新效率英語語法[M].北京:外語教學與研究出版社,2004.
(責任編輯:符 潔)