摘要:
该初中英语课件聚焦现在完成时,系统梳理其“到目前为止已发生”“过去动作对现在影响”的核心用法,详解already、yet、just等标志词,并通过对比示例明晰与一般过去时的区别。配套分层练习(语法填空、句型转换、微语篇填空、完形填空)搭建学习支架,帮助学生从基础理解逐步过渡到综合语言应用。
其亮点在于深度融合新课标核心素养,通过红色文化(如“参观遵义会议纪念馆”)、地方人文(如“青岩古镇”问答)、文化自信(如“郭在法国推广山西刀削面”语篇)等主题情境,将语法学习与文化意识培育相结合。练习设计兼顾语言能力提升(从单句转换到语篇填空,强化时态运用)和思维品质发展(完形填空通过语境分析考查语法与逻辑结合),体现“用语法做事情”的学科特色。学生在学习中既能扎实掌握现在完成时用法,又能增强文化认同,教师可直接使用系统练习与文化情境素材,有效提升课堂效率。
内容正文:
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学练优八年级英语上(外研)
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单元语法专项
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11语法精讲0
构成
助动词have/has+过去分词
肯定句:主语+have/has+过去分词+其他,
否定句:主语+have/has+not+过去分词+其他.
现在完成时
型
般疑问句:Have/Has+「①肯定回答:Yes,主语+have/has.如:Yes,I have.
主语+过去分词+其他?L②否定回答:No,主语+haven't/hasn't.如:No,I haven't.
)
优
表示到目前为止已经
的事情
如:I have just finished my homework.
用法
如:I have already seen the film.Idon't
现在完成时
表示过去发生的动作对现在有影响
want to see it again.
just“刚刚”,只用于肯定句中,位于have/hasz之后,动词的过去分词之前。
如:Cindy has just come back from school.
already“已经”,只用于肯定句中,位于have/hasz之后,动词的过去分词之前
常用标
志词及
或句末。如:I have already known the good news.
其用法
yt在疑问句中表示“已经”,在否定句中表示“还未”,通常位于句末。
如:一Has Mike found his watch yet?一No,not yet..
般过去时强调动作发生在
。如:I went to Beijing last month,.
与一般过去
现在完成时强调动作的
或对现在的
。如:Helen has already left
时的区别
I have read the book.Can you give me another one?
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1语法精练10
I.根据语境,用括号内单词的正确形式填空。
1.Half a month ago,Alan (cut)his hair in a
barber's shop.
2.(2024·扬州改编)It
(rain)all day
yesterday,so they had to stay at home.
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3.(2024·苏州改编)I
(invite)the
whole class of children,so no one feels unhappy.
4.As we all know,China's deep-sea exploration
has already
(enter)a new period(时期).
5.-Jack,have you
(reach)the top of the
mountain yet?
-No,I'll do it in half an hour,
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6.Adam has just
refuse)to play football
with his friends because he is going to visit his
grandparents.
7,新课标红色文化
Our
class
(visit)the Memorial of
Zunyi Meeting last month.
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8.-Aren't your parents at home?
-No,they aren't.They (go)to
Beijing to work.
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9.(2024·淮安改编)一Mum,I
(clean)the living room.
-Good job!It is so tidy now.
10.(2024·江西改编)一Ohhi,I'm looking for a
pair of shoes.
-Well,you
(come)to the right place.
We have a lot of shoes in our shop.
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Ⅱ.按要求完成句子,每空一词。
l.Betty cleaned the bathroom just now.(改为现
在完成时)
Betty just
the bathroom.
2.I have already read the story.(改为否定句)
the story