(共24张PPT)
（人教新目标版）八下英语
Period 3 Section A 4a-4c
Unit 8
Have you read Treasure Island yet
Learning objectives
Teaching aims（教学目标）
能够结合“现在完成时”来运用本节课出现的新词汇和知识点。
Key points （重点）：
1. 要求掌握以下句式： Have you read Little Women yet
Has she read Treasure Island yet
She has already read more than 100 different books.
2．要求掌握以下词汇：
（1）名词：fiction, technology, French
（2）词组：science fiction
fiction
science fiction
n. 小说
technology
n. 科技；工艺
科幻小说(或影片等)
New words
French
n. 法语
相关词汇：
France n. 法国
New words
Underline the sentences using the present perfect tense.
现在完成时的结构：
have/has + done
现在完成时可以和already、never等连用。
Lead in
Present perfect tense with already and yet
Presentation
past
I read Little Woman.
I decide to write about it for English class.
I have already finished
reading Little Woman.
1. We use the present perfect tense to talk about an action that happened
in the past and has a connection with the present.
表示在以前某个时间已经发生的行为或曾经做过的事情对目前有某种
影响。
present
present perfect
一、现在完成时的用法
Presentation
past
I read The Old Man and the Sea for the first time.
I'm not tired of it.
Even though I've already read The Old Man and the Sea three times, I'm not tired of it yet.
present
present perfect
I read The Old
Man and the Sea
for the second time.
2. We also use the present perfect tense to talk about how many
times an action has happened till now.
表示一个动作到现在已经发生了多少次。
I read The Old Man and the Sea for the third time.
3. We use the present perfect tense to talk about an action that started
in the past and continues to the present.
表示过去发生的动作一直延续到现在并且已经完成，而且可能持续
到将来。
past
present
future
He moved to Hangzhou 5 years ago.
He lives in Hangzhou now.
He has lived in Hangzhou for 5 years.
present perfect
Presentation
2. 否定句式：_____________________________________
1. 肯定句式：____________________________________
I've already finished reading Little Women!
I haven't finished reading Treasure Island yet.
主语 + have/has + 过去分词 + 其他.
主语 + haven't / hasn't + 过去分词 + 其他.
二、现在完成时的句型
3. 一般疑问句：_____________________________________
_____________________________________
- Have you read Robinson Crusoe yet, Harry
- Yes, I have. / No, I haven't.
- Have / Has + 主语 + 过去分词 + 其他
- Yes, 主语 + have/has. / No, 主语 + haven't/hasn't.
Where have you been during your summer holiday
4. 特殊疑问句：________________________________________
疑问词 + have/has + 主语 + 过去分词 + 其他
already强调动作的完成，常用于肯定句中。
yet常用在否定句中, 表示“还，尚”，用在疑问句中表示“已经”。
动词的过去分词形式如何构成呢？
Presentation
Infinitive 动词原形 Past Tense 过去式 变化规则
look look look
move move move
carry carr carr
stop stop stop
规则变化：
一般动词，加ed
以不发音的e结尾的动词，加d
以“辅音+y”结尾的动词，变y为i，再加ed
以一个辅音字母结尾的重读闭音节动词，双写词尾辅音字母，再加ed
ed
ed
d
d
Past Participle
过去分词
ed
ed
p
p
ed
y
i
ed
y
i
动词过去分词的变化规则示例
Presentation
Infinitive 动词原形 Past Tense 过去式 Past Participle
过去分词
cut cut cut
let let let
put put put
read read read
Infinitive 动词原形 Past Tense 过去式 Past Participle
过去分词
have had had
make made made
spend spent spent
tell told told
Infinitive 动词原形 Past Tense 过去式 Past Participle
过去分词
do did done
be was/were been
go went gone
see saw seen
A-A-A型
(动词原形、过去式、过去分词都同形)
A-B-B型
(动词过去式、过去分词同形)
A-B-C型
(动词原形、过去式、过去分词都不同形)
但也有一部分动词过去分词形式的变化是不规则的，没有规律，需要记忆。比如：
( )1. - Excuse me, may I use your dictionary I _____
mine behind.
- Sure. Here you are. (2024安徽省)
A. leave B. have left
C. will leave D. was leaving
B
I. 单项选择。
中考链接
Practice
B
B
( )2. - Sally, I _______ the picture already.
- Wow, truly beautiful! (2023福建省)
A. finish B. have finished C. was finishing
( )3. - _____ you ____ about Naxi Ancient Music yet
- Yes, I have. It is a part of Naxi culture.
(2023云南省)
A. Has; heard B. Have; heard
C. Did; hear D. Do; hear
Practice
C
B
( )4. This book must be great. My sister ______ it five
times. (2023河北省)
A. reads B. has read
C. is reading D. was reading
( )5. - What do you think of the novel, Journey to the
West
- It's so exciting that I ______ it three times.
(2023孝感省)
A. read B. will read
C. have read D. was reading
Practice
II. 根据句意，用括号中所给单词的正确形式填空。
1. Robert has ________(spend) three days preparing for
his match.
(2022北部湾经济区)
2. So far, the computer ____________(become) a very
useful tool to help people to write.
(2022玉林市)
spent
has become
Practice
Use the words in brackets to complete the conversations.
I've just drunk some tea
P60
4a
Tom / He has already left
did he leave
She has already seen the film
have not / haven't told them yet
Have you found it yet
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.
3. 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)
5. A: What do your parents think about our plan
B: I ____________________________. (not / tell them / yet)
Practice
Fill in the blanks with the correct forms of the words in brackets.
loves
has
read
will be
finished
will write
has not/ hasn't read
4b
P60
Sally _____ (love) reading. In the morning, she reads the newspaper and in the evening she reads books. She ______ already ____ (read) more than 100 different books! Her favorite kind of books is science fiction. She is interested in science and technology and loves to imagine what the world _______ (be) like in 50 years. She _______ (finish) reading a book about robots last week and _________ (write) a book report about it next week for her French class. Every time she is in the library, Sally looks at the many books she __________ (not read) yet and she can't wait to read them!
Practice
Complete the chart with information about you and a friend.
P60
Experiences You Your friend Comments
Books I have already read
Movies I have already seen
Songs I have already heard
4c
Practice
1. 表示过去发生或已经完成的动作对现在造成的影
响或结果。
2. 表示一个动作到现在已经发生了多少次。
现在完成时
肯定句：主语+have/has+过去分词+其他.
否定句：主语 + haven't/hasn't + 过去分词 + 其他.
一般疑问句：Have/Has + 主语 + 过去分词 + ...
肯定答语：Yes, 主语+ have/has.
否定答语： No, 主语 + haven't/hasn't.
特殊疑问句：
疑问词+have/has+主语+过去分词+其他
句型
用法
标志词
already
yet
已经
多用于肯定句
常用句中
尚, 还, 已经
否定句 /疑问句
句末
Summary
Can you use the present perfect tense with already, and yet correctly
Self-evaluation
Write down the conversation you made in 4c.
Homework
