八年级下册英语unit3课件重点难点是什么？

校园之窗 2025年12月3日 01:04:36 99ANYc3cd6 1 0

八年级下册英语 Unit 3 课件

Unit 3: What were you doing when the rainstorm came? 单元主题: 过去进行时 核心功能: 谈论过去某个特定时间点正在发生的事情。

Part 1: Key Words & Phrases (核心词汇与短语)

这是学习本单元的基础,需要重点掌握。

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Nouns (名词):

storm /stɔːrm/ n. 暴风雨
rainstorm /'reɪnstɔːrm/ n. 暴风雨
alarm /ə'lɑːrm/ n. 闹钟；警报
beginning /bɪ'ɡɪnɪŋ/ n. 开始，开端
report /rɪ'pɔːrt/ n. 报告；新闻报道
area /'eəriə/ n. 地区；区域
wood /wʊd/ n. 木头；木材
window /'wɪndoʊ/ n. 窗户
flashlight /'flæʃlaɪt/ n. 手电筒
match /mætʃ/ n. 火柴
batteries /'bæəriz/ n. 电池 (battery 的复数)
message /'mesɪdʒ/ n. 消息；信息
pupil /'pjuːpl/ n. 小学生；学生
silence /'saɪləns/ n. 安静；沉默
in silence 安静地；沉默地

Verbs (动词):

wake /weɪk/ v. 醒来 (woke, woken)
die /daɪ/ v. 死亡 (died, died)
rise /raɪz/ v. 上升；升起 (rose, risen)
realize /'riːəlaɪz/ v. 意识到；明白
beat /biːt/ v. 敲打；打败 (beat, beaten)
pick /pɪk/ v. 捡起；挑选
strong /strɔŋ/ adj. 强烈的；强壮的
strange /streɪndʒ/ adj. 奇怪的；陌生的
bored /bɔːrd/ adj. 感到无聊的
alive /ə'laɪv/ adj. 活着的
final /'faɪnl/ adj. 最后的；最终的
event /ɪ'vent/ n. 事件；大事
recently /'riːsntli/ adv. 最近
national /'næʃnəl/ adj. 国家的；民族的
Asian /'eɪʃn/ adj. 亚洲的；亚洲人的
hero /'hɪəroʊ/ n. 英雄
`Song Qingling /sʌŋ 'tʃɪŋ lɪŋ/ 宋庆龄 (人名)
`Norman Bethune /'nɔːrmən be'θuːn/ 诺尔曼·白求恩 (人名)
`Sun Yat-sen /sʌn 'jæt-sen/ 孙中山 (人名)

Phrases (短语):

go off (闹钟)发出响声
take a hot shower 洗个热水澡
miss the event 错过事件
at the time of... 在……的时候
go off (闹钟)响；(电)中断
in the area 在这个地区
fall asleep 睡着
die down 变弱；逐渐消失
pick up 捡起；接(电话)
make one's way to... 前往……
by the time 到……时候
in silence 沉默地
be proud of 为……感到自豪
have a difficult time (in) doing sth. 做某事有困难

Part 2: Grammar Focus (语法重点)

The Past Continuous Tense (过去进行时)

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这是本单元的灵魂,必须彻底掌握。

用法: 表示在过去某个特定的时间点或某段时间内正在进行的动作。

when, while, at that time, at this time yesterday

构成: was/were + V-ing

was 用于第一人称单数 (I) 和第三人称单数 (he, she, it, the boy 等)。
were 用于第二人称 (you) 和所有复数 (we, they, the boys 等)。

肯定句:

I was reading a book at 8 o'clock last night.
- 昨天晚上8点，我正在看书。
They were having a class when the headmaster came in.
- 校长进来的时候，他们正在上课。

否定句:

I was not (wasn't) sleeping.
- 我没有在睡觉。
She was not (wasn't) watching TV at that time.
- 那个时候她没有在看电视。

一般疑问句:

Were you listening to music?
- 你在听音乐吗？
- Yes, I was. / No, I wasn't.
Was he doing his homework?
- 他在做作业吗？
- Yes, he was. / No, he wasn't.

特殊疑问句:

What were you doing when I called you?
- 我给你打电话的时候，你在做什么？
Why was she crying?
- 她为什么在哭？

Part 3. Key Patterns (核心句型)

What were you doing when...? (当……时，你正在做什么？)

A: What were you doing when the rainstorm came?
暴风雨来的时候,你正在做什么？
B: I was doing my homework.
我正在做作业。
B: I was helping my mom make dinner.
我正在帮妈妈做晚饭。

While + 主语 + was/were doing... (当……正在做某事时……)

While my brother was sleeping, I called him.
- 当我弟弟正在睡觉的时候,我给他打了电话。
While Linda was reading a book, her friend knocked at the door.
- 当琳达正在看书的时候,她的朋友敲了门。

When + 主语 + did sth... (当……做了某事时……)

When the rainstorm came, I was in my bedroom.
当暴风雨来的时候,我正在我的卧室里。
When the alarm went off, I was taking a shower.
当闹钟响的时候,我正在洗澡。

重要区别:

when 引导的从句用一般过去时 (did)，表示一个短暂、瞬间的动作。
while 引导的从句用过去进行时 (was/were doing)，表示一个持续、进行的动作。

Part 4: Sample Dialogue (对话示例)

Topic: Talking about what you were doing during the rainstorm.

A: Hey, Tom! What were you doing when the rainstorm came last night? B: I was at home. While it was raining heavily, I was watching a movie with my sister. A: Oh, that sounds cozy. When the storm was at its worst, what were you doing? B: When the lights suddenly went off, we were just eating popcorn. We had to light some candles. A: Haha, I see. What were you doing, Lisa? C: I was studying in my room. When I heard the loud thunder, I got a little scared. D: I was sleeping! When the alarm clock went off this morning, I realized I had slept through the whole storm!

Part 5: Text Analysis (课文分析 - 以 Section 2b "The Storm Brought People Closer" 为例)

这篇课文通过一个暴风雨的故事,展现了邻里之间的互助和温情。

Main Idea (主旨): The story describes how a neighborhood in Alabama came together to help each other during and after a big storm, showing that a difficult time can bring people closer together.

Structure (结构):

Beginning (Paragraph 1-2): The storm started. Ben's family was at home. The wind was howling, and the rain was beating against the windows. They realized the storm was serious.
Middle (Paragraph 3-4): The power went out. Ben felt bored. His dad started telling stories. Later, his mom realized their neighbor, Mrs. Wang, might need help because she lived alone.
Climax (Paragraph 5-6): Ben's family went to check on Mrs. Wang. They found her in the dark, scared. They gave her a flashlight and some candles. They spent the rest of the night together, talking and eating snacks.
Ending (Paragraph 7): The next morning, the neighborhood was quiet. Ben saw his neighbors talking and helping each other. He realized that the storm brought people closer.

Key Sentences (关键句子):

"When the rainstorm came, Ben was helping his mom make dinner." (引入主题,使用过去进行时)
"He was sleeping when the phone rang." (展示过去进行时的用法)
"While Ben was making the popcorn, his dad was reading by the fireplace." (对比两个同时进行的动作)
"We had a difficult time getting through the storm." (使用 have a difficult time doing sth. 结构)
"The storm brought people closer together." (点明文章主旨)

Part 6: Exercises (练习)

Fill in the blanks with the correct form of the verbs. (用所给动词的正确形式填空)

I ____ (read) a book when you ____ (call) me yesterday.
While she ____ (cook), the phone ____ (ring).
They ____ (have) a party at 9 p.m. last Saturday.
What ____ you ____ (do) at this time yesterday?
The students ____ (listen) to the teacher when the headmaster walked in.

Multiple Choice. (单项选择)

What __ you __ when I saw you in the park? A. are; doing B. were; doing C. did; do D. do; do
My father ____ TV when the electricity cut off. A. watched B. was watching C. watches D. is watching
____ the rainstorm started, I was waiting for the bus. A. When B. While C. What D. Where

Make sentences. (连词成句)