8B Unit1導學案及教案1

　　   例如： have you found your pen yet？                  你已找到你的鋼筆了嗎？
請嘗試著做以下的練習   
用所給動詞的適當形式填空。
1. i_______ already ____  ___ (see) the film.  i __________ (see) it last week.
2. --- _______ he _________(finish) his work today ?  ---not yet .
3. ---_______you _________(be) to hong kong ?  ---yes, i __________ (be) there twice .
4. ---_______ you  ever ________(eat ) chocolate sundaes ? --- no, never.
5. my father _______ just __________ (come) back from work. he is tired now.
【教案】
課題 8b unit 1 grammar (a) 課型 新授課
教學目標 1.to know the present perfect tense.
2.to master the structure of the ppt.   
3.to learn the differences between the simple past tense and the present perfect tense.
重難點
分析 to know the differences between the simple past tense and the present perfect tense.
學情分析 學生已經掌握了一般過去時和過去進行時這兩種描述過去情況的時態，對于現在完成時的學習有一部分學生誤以為它僅局限于過去，因此容易和一般過去時混淆，在教學過程中需要巧妙地點撥。
教學方法 情景教學法,歸納法.
教具準備 課件
教學步驟 教師活動 學生活動 個性化補充
step1: revision
questions about reading:
(1) how long has mr. chen lived in sunshine town? (he has lived in sunshine town since he moved there with his family when he was two years old.)
(2) when did mr. chen get married?(in 1965)
(3) there have been many changes in this town. what has the centre of town become?(it has become a park. )
(4) how does mr. chen feel from time to time?(he feels a bit lonely)
step 2: presentation
1. present these two answers:
 (1)he has lived in sunshine town since he moved there with his family when he was two years old.
 (2)it has become into a park.
2. ask the ss some questions and pay attention to their answers:
(1) how long have you lived in this town?
(2) how long have you studied in this school?
(3) how long have you studied english?
(4) what have studied these days?
(5) where have you been recently?
3. remind the ss of the differences between the simple past tense and the ppt. and discuss how to form present perfect tense.
step 3: present perfect tense
1. we use the simple past tense to talk about what happened at a definite time in the past.
we use the present perfect tense to talk about things that started in the past and still have some connection with the present.