人教版八年级下册 Unit8 Have you read treasure island yet？ SectionA Grammar 4a-4b 教案

Unit 8 Have you read Treasure Island yet
Section A (2d, Grammar, 4a-4b)
I.Teaching Aims
Knowledge Objects
Key words: classic, full of , hurry up, due, science fiction , technology
Sentences: Have you ever read Little Women yet
Oliver Twist is about a boy who goes out to sea and finds an island full of treasures.
Steve, have you decided yet which book to write about for English class
Although I have lost everything, I have not lost my life.
How long have they been here
So I will not give up and I will wait for another ship.
Not long after that, I saw some cannibals trying to kill two men from a broken ship.
Ability Objects:
1, Master the grammar, Present Perfect Tense(I)
2, Express the sentences with Present Perfect Tense.
3, Use Present Perfect Tense and Past Tense correctly.
Moral Object:
Train students’ creative spits.
II.Teaching Difficult and Important Points
Teaching Difficult Points: The difference of Present Perfect Tense and Past Tense
Teaching Important Point: Present Perfect Tense
Teaching produces:
Step 1 Greeting
Step 2 Review 2d
Step 3 Grammar
定义：
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。（动作发生在过去，对现在造成影响）
构成：
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
过去分词：
动词过去分词的变化形式大部分与动词过去式形式相同，但是不规则动词的变化形式没有规律，需要记忆，比如：
see-saw-seen; be-was, were-been
eat-ate-eaten; break-broke-broken
go-went-gone; take-took-taken
send-sent-sent; find-found-found
make-made-made; have-had-had
Already 与Yet
already 已经，常用于肯定句中。一般置于助动词have/has之后，过去分词之前，yet，在现在完成时句型中常置于句末。
1) 已经，常用在疑问句中。
2) 还(没），尚未，常用于否定句。
Step 4 Practice
Fill in the blanks
Step 5 4a
Pair work
Step 6 4b
Group work
Step 7 实战中考
1. — China develops so fast.
— That’s true. It _____ a lot already.
A. changes B. changed
C. will change D. has changed
2. Julia isn’t going to the cinema with us
because she ______ the film.
A. sees B. saw
C. will see D. has seen
3. — I’d like to introduce my best friend
to you, Peter.
— Thank you, Lucy. But we _______ already.
A. meet B. met
C. will meet D. have met
4. —Kitty, will you go to see the film Cold
Mountain this evening
— No, I won’t. I ____ it already.
A. saw B. have seen
C. see D. will see
5. Our school is having a sports meeting. Someone ____ here already.
A. arrived B. have arrived C. has arrived
6. — ___ you ___ the movie Gongfu
Panda II？
— Not yet. I’ll see it this Sunday.
A. Did, see B. Do, see C. Have, seen
Step 8 Summary