Unit 8 Have you read Treasure Island yet课件(共23张PPT) 人教版（2012）八年级下册

(共23张PPT)
Nova
Have you read Treasure Island yet
Period 2. Section A grammar focus
Let’s talk!
-What books/movies/songs have you _______
-I have …
-What’s it about
-①It’s about a/an ____ who ___________./
②It’s about a/an ____ (doing) ___________.
-Have you finished it yet
-Yes, I have. I couldn’t put it down. / No, I haven’t. I’m on page ____.
What's it like
What do you think of
the book/movie/song
Try to recite Grammar Focus.
—你读了《小妇人》了吗？ —是的，我读了。/ 不，还没有。
—Have you read Little Women yet
—Yes, I have. / No, I haven’t.
—Tina读了《金银岛》了吗？—是的，她读了。她认为这本书太棒了。
—Has Tina read Treasure Island yet
—Yes, she has. She thinks it’s fantastic.
—你决定写哪本书了吗？—是的，决定了。我已经看完了。书真的很好。
—Have you decided which book to write about yet
—Yes, I have. I’ve already finished reading it. It was really good.
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.
Grammar Focus
找出现在完成时并划线
have/has + 动词的过去分词
What adverbs are often used with the present perfect tense
Already and yet.
现在完成时的构成
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.
肯定句：主语+_____/_____+___________+其他
否定句：主语+_____/_____+_______+_________+其他
疑问句：_____/_____+主语+__________+其他
---Yes, 主语+_____/___. ;No,主语+_______/______.
have has 过去分词
have has not 过去分词
Have Has 过去分词
have has
haven’t hasn’t
现在完成时的构成
我已经读过《小妇人》了。
I have already read Little Women in the library.
I haven’t read Little Women in the library yet.
Have you read Little Women in the library yet
Yes, I have./No, I haven’t.
肯定句：
否定句：
疑问句：
肯定/否定回答：
1. 规则变化（与动词过去式规则一样，此类称作规则动词）
过去分词的构成
stay → _______ → _______
work → _______ → _______
taste → _______ → _______
like → _______ → _______
study → _______ → _______
copy → _______ → _______
stop → _______ → _______
plan → _______ → _______
stayed
stayed
worked
worked
tasted
tasted
liked
liked
studied
studied
copied
copied
stopped
stopped
一般情况下直接 + ed
以不发音e结尾的直接+ d
planned
planned
以辅音字母+y结尾的，改y为i加-ed
以重读闭音节“辅元辅”结尾的， 双写尾字母，再+ed
1. 规则变化（与动词过去式规则一样，此类称作规则动词）
一般在词尾直接加 ed 以不发音的e结尾的，加 d 以“辅音字母+y”结尾的，改y为i加ed 以重读闭音节“辅元辅”结尾的， 双写尾字母，再加ed
work→worked slice→sliced study→studied stop→stopped
-ed 的读音规则：
① 在元音或浊辅音后读 [d]，如 tried [tra d]，lived [l vd]
② 在清辅音后读 [t]，如 worked [w kt]，stopped [st pt]
③ 在[t][d]后读[ d]，如 mended [mend d]，wanted [w nt d]
过去分词的构成
2. 不规则变化（此类称作不规则动词，有很多）
原形（不定式） 过去式 过去分词
be was/were
have had
choose chose
put put
run ran
参看课本P136-137 Irregular Verbs（不规则动词表）
过去分词的构成
been
had
chosen
put
run
2. 不规则变化（此类称作不规则动词，有很多）
过去分词的构成
let → _______ → _______
cut → _______ → _______
read → _______ → _______
feel → _______ → _______
keep → _______ → _______
sleep → _______ → _______
let
let
cut
cut
read
read
felt
felt
kept
kept
slept
slept
以不变应万变
动词中间有俩e，
去掉一个e，后加t
2. 不规则变化（此类称作不规则动词，有很多）
过去分词的构成
lend → _______ → _______
build → _______ → _______
send → _______ → _______
buy → _______ → _______
bring → _______ → _______
catch → _______ → _______
teach → _______ → _______
lent
lent
built
built
动词字母d变t
变为以-ought或-aught结尾
bought
bought
brought
brought
sent
sent
caught
caught
taught
taught
present perfect 核心意义：“回顾”
12
present perfect
13
α
connection with now;
the past has a result;
new information
从现在回顾过去
1.表示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。常与 already, yet, just 等词连用。
现在完成时的用法
past
I had breakfast.
I'm not hungry now.
present
I have already had breakfast.
（早餐过去吃的，现在不饿。）
present perfect
15
present perfect
16
β
continues from the past until now
present perfect
17
β
continues from the past until now
present perfect
18
present perfect
19
现在完成时的用法
past
I moved here
in 1990.
I still live here.
present
I have lived here for 30 years.
(30年来一直生活在这里）
2.表示过去某一时间开始并一直持续到现在的动作或状态。
already
已经(肯定句)
yet已经（一疑句）
还（否定句）
ever
曾经(一疑句)
never
从不
just
刚刚
so far
到目前为止
I have already read Little Women.
I haven’t read Little Women yet.
Have you read Little Women yet
Have you ever read Little Women
I have never read Little Women.
I have just finished reading Little Women.
I have only planted 100 trees so far.
I have read Robinson Crusoe twice.
twice/其他倍数
两次、几次
Adverbs of time 时间标志词
What do we learn today
Just check your notes
summary
现在完成时，核心意义__________________
形式：句型变化+过去分词变化
用法：
常见标志词：
Homework
精彩练习&作业本第二课时
坚持计划(尤其是词汇&错题！）