新人教版八年级下Unit 8 Have you read Treasure Island yet （Section A Grammar Focus 4a-4c）省级优课课件.ppt

1、Unit 8   Have you read      Treasure Island yet?,学习目标：1.学习并掌握现在完成时的结构及用法。2.能够用现在完成时描述过去发生或完成的事对现在造成的影响。3.能够区分现在完成时和一般过去时,并实际运用于日常生活中。,1. Write the forms of the past tense and       past participle:    drink _ _      see     _ _ &n

2、bsp;        find   _ _        leave _ _    tell    _ _,drank  drunk,saw     seen,found    found,left       left,told      told,现在完成时的构成:have /has + v 过去分词,助动词( 助动词要和主语的人称、数保持一致。),否

3、定,have not = havent has not = hasnt,疑问,Have you?Has he?,Exercise:1. I have finished my homework.  改为否定句:      I _ _ my homework.改为一般疑问句并作肯定回答  _ you _ your homework?  Yes，_ _.,haven't,finished,Have,finished,I,have,Exercise:2. His dream has come true.  (改为一般疑问句并

4、作否定回答)    - _ his dream _ true?    - No，_ _ .,Has,come,it,hasn't,Make sentences:,Use the present perfect tense to make sentences.(用现在完成时造句。) 1. 肯定句： 2. 否定句： 3. 疑问句（并给出肯定及否定回答）：,I have already read the book.,He hasn't finished his homework yet.,Have you read Treasure Islan

5、d yet?                 - Yes, I have. / No, I haven't.,4c. Complete the chart with information about you and your  friend.,I have already read .He has already seen.,4a: Use the words in brackets to complete        the conversations

6、.1. A: Would you like something to drink?    B: No, thanks. _.             (just/ drink some tea)2. A: I heard you lost your key.         _? (find)    B: No, not yet.,I have just drunk some tea,Have you found it,3. A: Do you know

7、when Tom is leaving?    B: _ . (already/ leave)    A: When _? (leave)    B: This morning.4. A: Is your sister going to the movies         with us tonight?    B: No. _.             (already/ see the film),He has

8、 already left,did he leave,She has already seen the film,5. A: What do your parents think about         our plan?    B: I _.         (not/ tell them/yet),havent told them yet,Practice:,I. 按要求进行句型转换。    1. I have already watched the movie.(改

9、为一般疑问句)      _ you _ the movie _?   2.Have you read Little Women yet?(做肯定回答)     _, _ _.   3. Has she read Treasure Island yet?(做否定回答)     _, _ _.,Have,watched,yet,Yes,I,have,No,she,hasn't,II. 用所给单词正确形式填空。  1. Last year, they _ (buy) a new comput

10、er.2. I have already _ (put) it in my bag.3. Judy has already _ (finish)_(read) Little Women.  4. Tom and Mike have already _ (decide) to learn   Chinese on Internet. 5. Have you _(read) Alice in Wonderland yet? 6. Robinson _ (have) already built a house on the island. 7._ you _ the funny

11、movie Let the Bullets Fly?,Practice:,bought,put,finished,reading,decided,read,has,Have,watched,Summary：,现在完成时的结构：      主语 + have / has（not） + 过去分词  (+ 其他)      I have already read the book.现在完成时和一般过去时的区别： （1） 现在完成时：            过去发生或已经完成的某一动作对现在造成的影响或结果。 （2）一般过去时：      只表示过去的动作或状态，和现在不发生关系。,Thank you for listening!,