1
Unit 8 Have you read
Treasure Island
yet?
The First Period (Grammar Focus)
教师寄语?/p>
If I were in your shoes.
如果我是你的话?/p>
【预习导学?/p>
1
、学习目?/p>
1
?/p>
初步掌握动词过去分词的变化规则?/p>
2
?/p>
初步掌握并运用现?/p>
完成时?/p>
3
?/p>
能区?/p>
yet
?/p>
already
的用法?/p>
2
?/p>
自学任务
Task 1
观察下列动词,试着按照动词过去式和过去分词的变化规则完成分类?/p>
原形
过去?/p>
过去分词
原形
过去?/p>
过去分词
decide
decided
decided
tell
told
told
finish
finished
finished
go
went
gone
read
read
read
see
saw
seen
put
put
put
do
did
done
find
found
found
drink
drank
drunk
buy
bought
bought
come
came
come
leave
left
left
run
ran
run
Task 2
观察下表,体会现在完成时的定义并尝试总结现在完成时的句式结构?/p>
现在完成?/p>
表示过去发生或已经完成的某一动作对现?/p>
造成的影响或结果,或从过去开始一直延?/p>
到现在的动作或保存的状态?/p>
用法一?/p>
用法二:
I
have finished
homework.
He
has done
housework.
They
have seen
the film.
肯定句结构:
You
have not finished
homework.
否定句结构:
Regular
(
规则变化
)
Irregular
(不规则变化?/p>
A-A-A
?/p>
A-B-B
?/p>
A-B-C
?/p>
A-B-A
?/p>