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1、Unit 3 Teenagers should be allowed to choose their own clothes本单元主要是学习被动语态，通过学习要能熟练掌握被动语态的用法及构成。第1课时 SectionA1a-2c 【学习目标】1知识目标：四会单词短语及句型。2能力目标：能在具体语境中正确运用被动语态。3情感目标：增强交际能力，培养关心他人，礼貌待人的品质。【学习重难点】：重点词汇用法及正确运用被动语态【学习过程】 （一）预习导学：熟读单词并找出SectionA1a-2c中的重难点（二）朗读SectionA1a-2c，找出下列短语。16岁的青少年_ 被允许_打耳洞_和朋友一起外出
2、_ 不够认真_ 年龄不够大_不够沉着_ 太狂热_太愚蠢_（三）合作探究：Talk about what you are allowed to do 导学1：teenagers should be allowed to choose their own clothes.(1).should be allowed 为含有情态动词的被动语态,英语动词有两种语态,既主动语态和被动语态,主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者.被动语态的构成：主语+be+及物动词的过去分词 be有人称和时态的变化.Eg: 我们学校每年都栽树. Trees in our school every y
3、ear.这本书是昨天买的The book yesterday.被动语态的用法：（1）不知道动作的执行者是谁。这栋楼是5年前建的。The building was built 5 years ago.（2）没有必要指出谁是动作的执行者。校园天天都被打扫。The school yard every day.（3）需要强调动作的承受者。Eg: 英语被广泛应用。English widely 含有情态动词的被动语态其结构为：情态动词+ be+及物动词的过去分词Eg: 作业应该按时上交。The homework should be handed in on time导学2：Sixteen-year-old
4、s should be allowed to get their ears pierced.应该允许16岁的孩子扎耳眼(1).sixteen-year-olds “16岁的孩子”其等同于sixteen-year-old boysgirls，是由“数词+名词+形容词”构成的合成词。Eg.My ten-year-old brother is in this school.我10岁的弟弟在这所学校。(2).get/make/have sth. done 使某事被做；请别人做某事。Eg: We have got/made/had the TV repaired. 我们已经请人把电视修好了。导学3 ：s
5、he asked me to help her and I agreed.她要我帮忙，我同意了。agree to (do) sth.同意（做）某事 agree with sb.同意某人（的意见）agree on (sth.)（就某事）达成一致意见导学4：stop doing sth. 停止做某事 注意： Stop to do sth表示“停止某事而去做另一件事”。Eg . They stopped talking when he came in.当他进来时，他们停止了说话。导学5：instead of “代替；而不是” 导学6：It doest look cool.look 是连系动词，形容词
6、cool用作表语，look与 cool 构成系表结构。连系动词一般分为三类种 类示 例表示状态am/ is/ are, was /were表示感观sound ,look, smell, feel, taste表示变化become, get, turn, seem5检测反馈。（教师寄语：相信自己，你是最棒的！）单项选择：1.Students should to choose their own clothes.A. allow B. allowed C. are allowed D. be allowed2. The flowers by the students yesterday.A. ar
7、e watered B.watered C. were watering D. were watered 3. Did you get your ears ? A. pierce B. to pierce C. pierced D. piercing4. Do you think should drive?A. sixteen-years-oldB. sixteen-year-olds C. sixteen-years-olds D. sixteen-year-old5. You should have your hair 。A. cut B. cutting C. cutted D. to
8、cut6. “Stop , and listen to me,” the teacher said.A. talk B. talking C. to talkD. talked7. John likes tomatoes. 。A. So I do B. So am I C. So do I D. So I am 根据汉语完成下列句子。1、我们允许在星期六晚上看电视。We on Saturday evening.2.如果你努力学习你会通过考试的。If you work hard, youll 。3、我将代替你去。 I will go .4.我每天必须打扫我的房间。My room by every
9、 day. 第二课时 SectionA3a-4 【学习目标】 1知识目标：四会单词短语及句型。2能力目标：能在具体语境中正确运用被动语态。3情感目标：增强交际能力，培养关心他人，礼貌待人的品质。【学习重难点】：重点词汇用法及正确运用被动语态；正确运用被动语态【学习过程】 一预习导学：熟读单词并找出SectionA3a-4中的重难点二 自主学习：朗读SectionA3a-4，找出下列短语。例如_和朋友一起去看电影_在星期五晚上_熬夜_上学其间外出_周末早起_三 合作探究： 导学1：Well,Im allowed to go to the movies with friends on Friday
10、 nights。注：at,on,in 的用法。(1)at表示时间时用于钟点前，用于时刻前，译为在时(刻)。如：at three/three oclock在三点,at a quarter to six六点差一刻at noon在中午,at night在夜晚,at midnight在半夜(2)in表示时间时用于泛指一天的上午,下午,晚上等;用于某个较长的时间,如年,月,季节等。如：in the morning/afternoon/evening在上(下午)或晚上,in 2003在2003年，in the day/daytime在白天(3)on表示时间时用于星期、日期(包括该天的各部分)。如：on S
11、unday/Sundays,on Monday morning/afternoon/evening等。on也用于某一日的名词前，用于公共节假日前。如：On New Years Day在元旦，on Childrens Day在儿童节等。 导学2：Stay up 意为“不睡觉；熬夜”Eg.1) He stayed up all night.他通宵未眠。2) I stayed up because I wanted to talk something important to you.我没睡，因为我有重要的事情和你谈谈。3)注意:sit up意为“迟睡；熬夜”导学3：-I like it.我喜欢它。
12、 -So do I.我也喜欢。第二句是一个“so+主语+助动词/be动词/情态动词”结构的倒装句，表示前面所说的肯定情况同样适合于后者。do是助动词，随主语的人称和数而变化，且时态要与上句的时态一致。检测反馈。（教师寄语：相信自己，你是最棒的！）一、单项选择 1.His father likes going hiking. .A. So does his mother B. So is his mother C. So his mother is D. So his mother does2. I dont like this pair of football shoes, .A.either
13、 B.neither C.too D.also3. Did your teacher allow you home? A.go B.to go C.going D.went 4. We arent allowed to go out school night. A.at B.on C.in D.for 5. The fruit should be well during water.A.keep B.kept C.keeping D.to keep 二、用所给词的适当形式填空1.The classroom should （clean）every day.2.The workers are made （work）oven ten hours.3.He needs （have）a good rest.4.Jim （read）that book,didnt he?5.My father had his hair （cut）yesterday.三、根据汉语提示完成下列句子，每空一词1. Do you like
