Unit 8 Have you read Treasure Island yet? Section A 现在完成时课件

课件22张PPT。开学寄语1. The only way to do great work is to love what you do. If you haven’t found it yet, keep looking. Don’t settle. (Steve Jobs) 2. You are today where your thoughts have brought you; you will be tomorrow where your thoughts take you. 已学习过的时态1.v原形 2.v+s/es（三单现） am/is/are+v-ing
1.will/shall+v原形
2.am/is/are going to +v原
1.v-ed（规则动词）
2.不规则动词
was/were+v-ing判断下列句子的时态1.She works in a factory.
2.I was doing my homework at this time yesterday.
3.We are going to have a picnic this Sunday.
4.They held a sports meeting last week.
5.Are you helping your mother ?
一般现在时过去进行时一般将来时一般过去时现在进行时现在完成时态Present Perfect Tense现在完成时态的用法表示已完成的某一动作对现在造成的影响或结果现在完成时态 一、结构：
二、句式：
三、用法及标志词：
四、注意事项：【精点分析】
一、现在完成时态的结构： 主语+ have / has + 动词过去分词
(注：过去分词规则变化方式同过去式，不规则变化见不规则动词表)
例：I have finished my homework.
He has found his pen.动词的过去分词形式1.规则动词
2.不规则动词finish--finished--finished
live--lived--lived
carry--carried--carried
stop—stopped--stopped
Eg.go—went—gone
see---saw—seen
forget—forgot--forgotten二、现在完成时态的句式：1、 陈述句：
We have seen the film before.
She has learned 2000 words. 2、一般问句及简略回答：
Have you seen the film before?
Yes, we have. No, we haven't.
Has she seen learned 2000 words?
Yes, she has. No, she hasn't.3、否定句：
We haven't seen the film.
She hasn't learned 2000 words.三、现在完成时态的用法：标志词: already :多用于陈述句，位于have/has后，有时位于句
尾。例：I have already finished my homework.
yet : 用于疑问句和否定句，位于句尾。
例：Have you found your lost book yet ?
I haven't had breakfast yet. ever : 多用于疑问句.
例：Has your father ever spoken to a foreigner?
never :用于否定句，位于have/has后
例：We've never met such a tall man. just : 多用于陈述句，位于have/has后
例：Lucy has just washed her clothes. before :可用于各句式，位于句尾。
例：I have read this book before.
He hasn't been abroad before.
Have you flown to Hainan before? b. 无标志词的：
例:
He is not feeling well now. He has caught a cold.
I have lost the key. I can't go into my room.四、 使用现在完成时应注意的问题：1.现在完成时与一般过去时的区别 1） 一般过去时表示过去的事实，强调动作发生的 时间、地点、方式；
2）而现在完成时表示过去动作与现在的关系，强 调对现在的影响或产生的结果 例：1）I had my lunch at twelve at school.
我十二点在学校吃的午饭。
(强调吃饭的时间、地点，不涉及现在情况)
2） I have had my lunch. 我吃过午饭了。
(强调吃饭对现在的影响是饱了，不须再吃了)
3）When / Where did you have it? 什么时候 / 在哪儿吃的？ (不管问时间还是地点，都与现在无关，故用一般过去时）Practice中考真题展示一、根据句义和所给汉语提示，完成下列单词：
1.Has he finished his homework ?(已经）
2.She has (从未）been late for school .
3. The old man (没吃) breakfast yet.
4.My father (刚刚离开) Beijing .
5.I am sorry I (忘）my book at home.
6.He has (买）a bike like this before.
7.They have (借） many books from the new library.yetneverhasn’t had has just lefthave leftboughtborrowed Exercises 4a Use the words in brackets to
complete the conversations.
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 teaHave you found it3. A: Do you know 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 already leftdid he leaveShe has already seen the film5. A: What do your parents think about
our plan?
B: I __________________. (not/ tell
them/yet)haven’t told them yet( )【2013广西贵港】
—Do you know the movie Lost in
Thailand?
—Yes. I ______ it twice. It’s funny.
A. saw B. see C. have seen D. will see C中考链接( )【2013黑龙江牡丹江】
—Lunch?
—No, thanks. I__________.
A. will eat B. am eating C. have eaten
( )【2013 湖北黄冈】
—Where is Tom? We can’t find
him anywhere.
— Perhaps he _____ home.
A. has come B. is going
C. went D. was goingCA二、选择题：
1."Have you had your lunch?" " "
A. Yes, I have had it at 11:30 B. Yes, I had had it at 11:30
C. Yes, I had it at 11:30 D. Yes, I have it at 11:30
2.Don't worry. The police your lost son.
A. found B. were found
C. are finding D. have found
3. -- Would you like to see Hobbit III with me?
--- Sorry. I _______ the film before .
A. saw B. have seen C. see D. will see
4.-Ann has gone to Shanghai. -So her parents.
A. has B. have C. did D. are
BDBB三、翻译:
1.我已经读完了这本书。

2.她尚未吃早饭。
3.李莉刚好擦了黑板。

4.你以前见过他吗？

5.我们已经学了500个英语单词 。
6.他 从未打过排球。
I have already finished reading the book.She hasn’t eaten breakfast yet.Li Li has just cleaned the blackboard.Have you seen him before?We have learned 500 English words.He has never played volleyball.