1、本課第3課時累計47課時本課課型語法課八年級英語備課組 金艷玲 Unit 8 Have you ever been to a museum?教學目標及重難點教學目標及重難點教教 學學 環環 節節板板 書書 設設 計計反反 思思 后后 記記教教 學學 資資 源源返回目錄知識與技能1.重點單詞：technology,French 2.重點句式：What do your parents think about our plan? She is interested in science and technology and loves to imagine what the world will b

2、e like in 50 years.過程與方法通過教師的講授和學生記筆記的形式學習現在完成時。情感態度與 價值觀通過本課的學習，培養學生的文學鑒賞能力，陶冶思想情操.教學重點1.現在完成時態的用法。2.所學過的各種時態的區別。教學難點各種時態的靈活運用。返回返回目錄目錄返回目錄復習導入復習導入新知教學新知教學鞏固拓展鞏固拓展小結升華小結升華布置作業布置作業課外拓展課外拓展Step 1 Lead-inRead the following sentences we have seen.Have you read Little Women yet? Yes, I have./ No, I have

3、nt. Has Tina read Treasure Island yet? Yes, she has. She thinks its fantastic.Have you decided which book to write about yet?Yes, I have. Ive already finished reading it. It was really good.計劃用時 5分鐘二次修改教學環節Step 2 現在完成時用法：1.表示過去發生或已經完成的某一動作對現在造成的影響或結果。e.g. Have you had your lunch yet?Yes, I have. Ive

4、 just had it. (現在我不餓了。)2.表示動作或狀態從過去某一時刻開始，一直延續到現在，而且可能還要繼續下去。e.g. I havent seen her these days. Ive known Bob for three years. Ive been at this school for over two years. 時間狀語：already, yet, just, ever, never, before。構成：現在完成時是由“助動詞have / has+ 動詞的過去分詞”構成的，規則動詞的過去分詞構成與過去式相同，不規則動詞的過去分詞則需逐個記憶。 動詞的過去式的變化和

5、過去分詞的變化并不完全相同。我們對它們作了一個大致的分類。 (注：例子中單詞的變化順序為：動詞原形 動詞的過去式 動詞的過去分詞)一.過去式和過去分詞的變化相同規則變化：計劃用時 10分鐘二次修改教學環節1.一般在動詞詞尾直接加ed。如：pick picked picked; wish wished wished; stay stayed stayed2.以不發音的e結尾的動詞后面加d。如：like liked liked; hope hoped hoped; phone phoned phoned 3.以“輔音字母 + y”結尾的動詞，變y為i，再加-ed。如：study studied s

6、tudied; hurry hurried hurried; reply replied replied.4.詞尾只有一個輔音字母的重讀閉音節動詞，要雙寫輔音字母，再加-ed。如：stop stopped stopped; clap clapped clapped不規則變化：5.以不變應萬變。如：let let let; put put put; read read read6.若中間有雙寫e，則去掉一個e，單詞末尾再加t。如：feel felt felt; keep kept kept; sleep slept slept結尾的字母d變t。如：lend lent lent; build bu

7、ilt built; 計劃用時 10分鐘二次修改變為以-ought或-aught結尾。如：buy bought bought; bring brought brought; catch caught caught; teach taught taught教學環節句式1.肯定句：主語 + have / has + 過去分詞 (+ 其他)2.否定句：主語 + have / has + not + 過去分詞(+ 其他)3.一般疑問句：have/ has + 主語 + 過去分詞(+ 其他)4.特殊疑問句：1) 特殊疑問詞 (不是句子主語) + have / has + 主語+過去分詞 (+ 其)2)特

8、殊疑問詞(是句子主語)+have / has+過去分詞(+ 其他)計劃用時 5分鐘二次修改教學環節1.Write the forms of the past tense and past participle: drink _ _ see _ _ find _ _ leave _ _ tell _ _2.單項選擇。Why is Mr. Yang still in the teachers office?Maybe he _ his work yet.A. doesnt finish B. hasnt finished C. havent finished3.Finish 4a, 4b and

9、4c.計劃用時 5分鐘二次修改教學環節Words: technology,French .Important sentences: What do your parents think about our plan? She is interested in science and technology and loves to imagine what the world will be like in 50 years.語法: 現在完成時構成：have/has+動詞的過去分詞現在完成時的用法以及和哪些時間狀語連用，還有動詞過去分詞的變法和基本的句式。計劃用時 3分鐘二次修改教學環節1.Recite words and sentences.2.Review the grammar.計劃用時 2分鐘教學環節already和yet都可以作為現在完成時的標志詞，但它們的用法不同.already一般用于肯定句中。如：We have already cleaned up our classroom.注意：already用于疑問句中時通常表示驚奇。如:Have you finished your homework already?