Unit 8 Have you read Treasure Island yet? Section A (Grammar Focus-4c)课件 （30张PPT）

Unit 8 Have you read Treasure Island yet?
Section A (Grammar Focus-4c)
By the end of this period, you will be able to
1.learn about the past participle forms of verbs;
2.know the structure and functions of the Present Perfect Tense;
3.use “already” and “yet” in the Perfect Tense;
Grammar Focus
读下列句子，能否总结出句子中包含的语法？
Have you read Little Women yet??
Yes, I have./ No, I haven't.?
Has Tina read Treasure Island yet??
Yes, she has. She thinks it’s fantastic.
Have you decided which book to write about yet?
Yes, I have. I’ve already finished reading it. It was really good.
主语 + have / has + 动词的过去分词
Grammar
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
a. 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；
b. 表示开始于过去某一时间且持续到现在的动作。
时间状语
already (已经), just (刚刚), ever (曾经), never (从不), before (以前), yet (仍然)等。
Grammar
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
Grammar
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
结构：
助动词
I have already finished reading it.
finish-finished-finished
decide-decided-decided
be-was / were-been
find-found-found
bring-brought-brought
lose-lost-lost
teach-taught-taught
cut-cut-cut
read-read-read
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
结构：
{BDBED569-4797-4DF1-A0F4-6AAB3CD982D8}
finish-finished-finished kill-killed-killed
stop-stopped-stopped die-died-died
study- studied-studied
过去分词的变化：
规律变化
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
结构：
{BDBED569-4797-4DF1-A0F4-6AAB3CD982D8}
read-read-read put-put-put
cut-cut-cut hurt-hurt-hurt
let-let-let cost-cost-cost
过去分词的变化：
不规律变化
A-A-A
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
结构：
{BDBED569-4797-4DF1-A0F4-6AAB3CD982D8}
think-thought-thought find-found-found
teach-taught-taught lose-lost-lost
buy-bought-bought tell-told-told
bring-brought-brought meet-met-met
过去分词的变化：
不规律变化
A-B-B
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
结构：
{BDBED569-4797-4DF1-A0F4-6AAB3CD982D8}
see-saw-seen go-went-gone
do-did-done take-took-taken
drink-drank-drunk
choose-chose-chosen
过去分词的变化：
不规律变化
A-B-C
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
结构：
{BDBED569-4797-4DF1-A0F4-6AAB3CD982D8}
run-ran-run
come-came-come
become-became-become
过去分词的变化：
不规律变化
A-B-A
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
结构：
{BDBED569-4797-4DF1-A0F4-6AAB3CD982D8}regular
构成规则与过去式一致
irregular
A-A-A
A-B-B
A-B-C
A-B-A
过去分词的变化：
主语 + have / has + 动词的过去分词
Present Perfect Tense 现在完成时态
结构：
现在完成时的结构句型
{BDBED569-4797-4DF1-A0F4-6AAB3CD982D8}肯定句
主语＋have/has＋动词的过去分词＋其他.
否定句
主语＋have/has＋not＋动词的过去分词＋其他.
一般疑问句和简略回答
Have/Has＋主语＋动词的过去分词＋其他?
Yes,主语＋have/has.
No,主语＋have/has not.
Present Perfect Tense 现在完成时态
e.g. I have already finished my homework.
我已经完成了我的作业。
I have not heard from him yet.
我还没收到他的来信。
—Have you ever been to Beijing?
你曾去过北京吗？
— Yes，I have./No，I haven’t.
是的，我去过。/ 不，我没去过。
Present Perfect Tense 现在完成时态
现在完成时与for 或since 引导的时间状语连用时，动词必须是延续性动词。
【注意】
e.g. They have lived here for 20 years.
他们在这里住了20 年。(可能继续住下去)
Present Perfect Tense 现在完成时态
already与yet在现在完成时中的用法
already 通常用于肯定句中，一般用于have/has 后，实义动词前，偶尔放在句尾。yet 用于否定句和疑问句中，一般用在句末。
e.g. I have already had breakfast.
我已经吃过早饭了。
I haven’t done my homework yet.
我还没有做作业。
Present Perfect Tense 现在完成时态
在现在完成时态的句子中，含有already 的肯定句变为否定句或疑问句时，要把already 改为yet，并放于句末。
e.g. I have already finished reading the book.
我已经读完这本书了。
→ I haven’t finished reading the book yet.
我还未读完这本书。
→ Have you finished reading the book yet?
你已经读完这本书了吗？
Present Perfect Tense 现在完成时态
1.A：Would you like something to drink?
B：No, thanks. I've just drunk some tea. (just/drink some tea)
2.A：I heard you lost your key. _________________? (find)
B：No, not yet.
Use the words in brackets to complete the conversations.
Have you found it
4a
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）
She has already seen the film
have not told them yet
He has already left
did he leave
Use the words in brackets to complete the conversations.
4a
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
loves
has
read
will be
finished
Fill in the blanks with the correct forms of the words in brackets.
4b
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!
has not read
will write
Fill in the blanks with the correct forms of the words in brackets.
4b
Complete the chart with information about you and a friend.
A：What books have you already read?
B：I've already read Tom Sawyer and Harry Potter.
A：What do you think of them?
B：Well, I think Harry Potter was exciting, but Tom
Sawyer was a bit boring.
4c
{5C22544A-7EE6-4342-B048-85BDC9FD1C3A}?
You
Your friend
comments
Books I have already read
?
?
?
Movies I have already seen
?
?
?
Songs I have already heard
?
?
?
Complete the chart with information about you and a friend.
4c
本节课主要学习了单元重点语法现在完成时，进一步掌握了运用现在完成时谈论最近的事情和经历。
在线测评：八年级下册Unit 8-Section A(Grammar Focus-3c)随堂检测（配套）2
一、单项选择
1. —The boy misses his parents very much.
— So he does. They_______ the hometown for nearly two years.
A. have left B. will leave C. have been away from
2. William Shakespeare ______for 400 years, but his works still have great influence today.
A. died B. was dying C. has died D. has been dead
3. —Look! Somebody________ the lights.
—Well, it wasn’t me. I didn’t do it.
A. turns off B. is turning off C. was turning off D. has turned off
C
D
D
4. —Peter, you speak Chinese so well.
— Thank you. I_____ Chinese since I came here in 2013.
A. will learn B. learned C. have learned D. learn
5. I am surprised at the new look of my hometown, for it_______ a lot over the years.
A. changed B. changes C. will change D. has changed
C
D
二、阅读短文，根据首字母完成单词，使句意完整。
Oliver Twist is one of the most famous stories by British w___________ Charles Dickens. The story h____________ in the nineteenth century in London and it is about a boy c________ Oliver who finds himself a_______ in the world, without Mother or Father who can care for him. He lives in a special house for poor people and always has an empty stomach. One day, he asks for more food and gets into a lot of trouble! Oliver experiences a lot of difficulties and meets different people. Anyhow, little Oliver finally has a happy e________. A rich gentleman adopts（收养）him and little Oliver lives a real happy life afterwards.
writer
happens
called alone
ending
1.分类背诵不规则动词表。
2. Preview Unit 8 Section B (1a-2e).
Bye Bye!