初三下册英语课件教案

第一课时　Section A(1a－2d)
【学
1．能掌握以下单词及短语：unexpected。
2掌握By the time I got outside和When I got to schoolackpack at home句型。
3掌握过去完成时时态结构及用法。
【学习重点】
1能听懂别人叙述过去的事情。
2能初步运用由when/before/by the time引导的时间状语从句叙述过去的事件。
【学习难点】
用过去完成时叙述过去的
Leading in the topic through the conversations between the teacher and students：Have you ever been late for school? Can you tell me why? And then what happened to you that day?
1
Preview the words on P89­90，read the words by phonetic symbols and mark the new words in the text.Finally finish the tasks in 1a.
【学法指导】
◆leave 用作及物动词其用法有：
表“离开”。leave…for…意为“离开某地前往某地”。
表“剩下”。
③表“辞去(工作等)；脱离(组织等)”。
也用作不及物动词意为“去出发”。 注意：表示把某物落/忘在某地不能用forget要用leave, 结构为：leave ＋sth.＋地点。情景导入　生成问题
Teacher: For one or more times in our school time，we are late for school.Have you ever been late for school?
Can you tell me why? And what happened to you that day?
Students：____________________________
Because ________________________________________________________________________
(2)I was nearly late for class one day and ________________________________________________________________________
自学互研　生成能力
Task 1　Let's read the new words and phrases.
1I can read.(我会读)
预习下列单词和短语争取自己能正确拼读。拼读成功后再在课文中把单词和短语标记出来。
2．I can write.(我会写)
翻译下列短语：
洗浴
(2)把背包忘在家里
(3)响铃
(4)冲出房门out__the__door__
(5)带某人一程
(6)刷牙
3．I can summarize.(我会总)
(1)be full of 表示“充满”与意思相近。
意为“意外的事情”。＋表示一类人或事物。如：
老年人应该被政府好好照顾。
Task 2　Let's listen to the tape and finish 1b
Task 3　Let's make conversations and interview.
1I can practice.(我会练)
根据汉语提示完成下面的句子每空一词。
当我到车站时火车已经开走了。
time I got to the station，the train had already left．
(2)长大后他会离开这儿。
(3)当我到达电*时电影已演了五分钟了。
on for five minutes.
2．I can make conversations.(我会编对话)
分小组轮流扮演Mary。看着上面课本中的图片讨论今天上午发生了什么。ziyuanku.com
3I can summarize.(我会总结)
过去完成时的构成：肯定句：助词＋had__＋过去分词；否定句：可缩写hadn't__)＋__过去分词；一般疑问句： ＋主语＋__过去分词……？
(1)by the time等作连词引导时间状语从句当从句用一般过去时主句用过去完成时；当从句用一般现在时主句用一般将来时或将来完成时。
By the time he was ten，Tom built a chemistry lab himself.等到了十岁的时候汤姆自己建了一个化学实验室。2
1．Listen to the tape and finish the listening tasks in 1b.Then students listen again and repeat.
2．Students listen to the tape and finish the listening tasks in 2a，2b.Then listen again and repeat.
Task 3
Read the contents in 1c and 2c，then finish the tasks in 1c and 2c.Students need imitate listening and have a conversation practice with your partner.
【学法指导】
By the time I got outside当我出来时公共汽车已经离开了。
表/到……时”引导时间状语从句。如果从句中用了一般过去时主句中常用过去完成时；如果主句中用了将来时从句中常用一般现在时表将来。
如：By the time I got up当我起床时他已经离开了。
到他二十岁时他会成为一名教师。
【拓展】 by now 表示“到现在为止”通常与现在完成时连用。
如：By now I have collected 200 dolls.到现在为止我已收集了二百个布娃娃。
【备注】
　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　
　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　
过去完成时是一个相对的时态表示的是“过去的过去”只有在和过去某时或某动作相比较时才用到它因此当原句中若找不到一个“过去的时间”作为参照点时
He got to the railway station and suddenly realized that he had forgotten to bring his ticket.他到了火车站后忽然意识到他竟忘记带车票了。(“忘记”这一动作在“意识到”这一动作之前)
你还能总结出过去完成时的其他用法吗？
交流展示　生成新知
Preshow：Show in groups.(Time: six minutes)
Task 1：1.First
2．Ask all the students to read the textbook on P89­90 in a rapid way，then translate the phrases in “I can write” and check their answers by themselves in groups.
3．Students summarize what they have learned by themselves through previewing the textbook.
Task 2：1.Listen to the tape twice,
2．Turn to P90 and the teacher plays the tape twice to let the ss finish listening tasks in 2a and 2b.
Task 3：Firsts in pairs.
Improve by showing: Class show.(Time：sixteen minutes)
Task 1: 1.I can read.(1)Read together；(2)Sum up and explain the usage of “keep”．
2I can write.(1)Students translate the phrases into English by answering quickly; (2)Read together；(3)Spot test：Consolidate the usage of phrases by making
3．I can summarize.Sum up the usage of “be full of” and “be unexpected”．
Task 2：The teacher chooses three students from different groups to write down the listening answers of 1b and 2a2b on the blackboard，and explain the grammar about the past perfect tense.
Task 3: 1.I can practice.(1)Ask students to translate the key sentences and master the phrases “by the time” in Task 3；(2)Read together；(3)Explain the key sentences.
2I can make conversations.(1)Students make dialogues according to the tasks；(2)Set scenes to perform the dialogues.
3I can summarize.(1)Students sum up the sentences about “by the time”and make sentences with it；(2)Spot test：After ss have role­played the conversations.
当堂演练　达成目标
一、用括号内所给单词的适当形式填空。
1Everyone thinks the new TV play's ending is unexpected(expected)．
2．The boy kept watching(watch) TV the whole afternoon.
3．We were late for the film Roman Holiday，but luckily(luck) we didn't miss much.
4．Linda，there is only a little time left.We have to walk quickly(quick)．
5Tom always brushes(brush) his teeth once a day.
二、根据汉语意思完成句子每空一词。
1当地震发生的时候一些人仓促地跑出了大楼。
ome people are rushing out the building when the earthquake happened.
2．我开车送你去车站吧。
lift to the station.
3．当他走进教室时他才意识到他没带书包。
4．我到车站时火车已经开走了。
5．我起床晚了因为我的闹钟没有响。

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