初中八年级英语：Unit 3 What were you doing when the UFO arrived

2020年12月5日发(作者：丁华)
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Unit 3 What were you doing when the
UFO arrived？教案
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教师：风老师
风顺第二中学

编订：FoonShion教育






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Unit 3 What were you doing when the UFO
arrived？教案
教材说明：本教学设计资料适用于初中八年级英语科目 ，主要用途为 培养学生的学
习兴趣，提高逻辑思维、形象思维、口语交际及表达能力，进而促进全面发展和提
高。内容已根据教材主题进行配套式编写，可直接修改调整或者打印成为纸质版本
进行教学使用。

unit 3 what were you doing when the ufo arrived?
【单元目标】
1．单词与短语
well, buy, cut, land, while, experience, strange, around,
follow, climb, shout, run, anywhere, happen, accident, modern,
bright, silence, destroy, meaning, souvenir
get out (of) in front of in the front of take off
buy for
land on shout to at run away come in
hear about
the museum of flight
happen to stop doing take place as... as
2．目标句型：
1. what were you doing when...?
2. i was doing sth. when...
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3. how about... what about...?
4. what happened next?
5. while . was doing sth., i did...
3．语法
1. 过去进行时
2. 情态动词的用法ⅱ
【重难点分析】
一. 过去进行时
过去进行时表示过去某一时刻或者某段时间正在进行
或发生的动作，常和表过去的时间状语连用，如：
i was doing my homework at this time yesterday.昨天的这
个时候我正在做作业。
they were waiting for you yesterday.他们昨天一直在等你。
过去进行时的构成：
肯定形式：主语+waswere+v-ing
否定形式：主语+was not (wasn't)were not (weren't)+v-ing
疑问形式：waswere+主语+v-ing。 基本用法：
1.过去进行时表示过去某一段时间或某一时刻正在进行
的动作。常与之连用的时间状语有，at that timemoment, (at)
this time yesterday (last nightsundayweek…), at+点钟
+yesterday (last night sunday…)，when sb. did sth等时间状语
从句，如：
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what were you doing at 7p.m. yesterday?昨天晚上七点你
在干什么？
i first met mary three years ago. she was working at a radio
shop at the time.我第一次遇到玛丽是在三年前，当时她在一
家无线电商店工作。
i was cooking when she knocked at the door.她敲门时我正
在做饭。
2. when后通常用表示暂短性动词，while 后通常用表示
持续性动词，因此它所引导的状语从句中，谓语动词常用进
行时态，如：
when the car exploded i was walking past it.= while i was
walking past the car it exploded.
用作并列连词时，主句常用进行时态，从句则用
一般过去时，表示主 句动作发生的过程中，另一个意想不到
的动作发生了。如：
i was walking in the street when someone called me.我正
在街上走时突然有人喊我。
4. when作并列连词，表示“（这时）突然 ”之意时，第一
个并列分句用过去进行时，when引导的并列分句用一般过
去时。如：
i was taking a walk when i met him.我正在散步，突然遇见
了他。
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we were playing outside when it began to rain.我们正在外
边玩，这时下起雨来了。
二. 情态动词(modal verbs )ⅱ 4、情态动词表示“应该”、
“必须”
（shall, should, may, might, must, ought to）
（1）shall 和 should 用于表示“必须”：
①. each member shall wear a name card. (表示规定)
每一个会员必须配带名卡。
②. i should answer his letter as soon as possible. (表示应
该)
我应该尽快给他回信。
③. you shouldn't judge a man always by the clothes.
(shouldn't “不应该”含有劝告的意思)
你不应该总是以貌取人。
④. the rules shall take effect on jan. 1st. (shall 用于规章
等，表示义务和规定)
新规则于一月一日起生效。
（2）may 和 might 用于表示“应该多用于法律等条文，
一般上多用 shall):
①. payment may be paid by check.(表示规定)
应以支票付款。
②. you might ask before you use my computer. (might表
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示应该)
你应该先问过再使用我的电脑。
（3）must 用于表示“必须”、“务必”：
①. you must keep the place clean. (务必)
你务必保持地方干净。
②. we must obey orders. (表示有义务)
我们必须服从命令。
③. must i pay now ? (用于疑问句) (如回答不必时，需用
needn't 或 don't have to)
我现在就得付款吗？
5、情态动词表示“意图”、“打算”
(will, would, shall, should)
（1）will 和 would 用于表示某种意图：
①. i'll will call you as soon as possible. (will 主要用于第一
人称)
我会尽快打电话给你。
②. will you accept this invitation ? (用would 则表示更客
气)
你愿意接受这邀请吗？
③. who will do the job ? (用于条件句，可用于各种人称)
谁愿意做这事？
④. we won't (will not) stay here too long. (will not 表示不
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愿)
我们不愿呆在这里太久。
（2）shall 和 should 用于表示说话人的意图：
①. we shan't (shall not) to if it rains. (shall not 也可用 will
not)
如果下雨，我们就不打算走了。
②. i shan't go with you. (shall 只用在第一人称)
我不打算和你一同走。
6、情态动词表示“意愿”
（will, would, shall, should）
（1）will 和 would ：
①. she will do it if you ask her.(表示主语的意愿)
如果你问她，她会做的。
②. would you have another cup of tea ? (用 would 比
will 客气)
你想再来一杯茶吗？
③. will you have some cookies ? (will 用于疑问句，表示
问人是否愿意)
你想吃些烤饼吗？
④. if he will he can do it. (will 用于条件句，用于第二、
三人称)
如果他愿意，他会做的。
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⑤. would you excuse me ? (would 表示婉转语气)
你能原谅我吗？
（2）shall 和 should ：
①. he shall get his allowance. (注意是he shall, 表示说话
人的意愿)
他会拿到他的津贴的。
②. you should sit here as long as you like.
只要你乐意，坐多久能行。
③. shall you go to school with me ? (疑问句中，表示问对
方的意愿)
你愿意和我一起到学校去吗？
检测练习：
一．选择填空：
1. who jumps ____ in your class?
a. far
b. farther
c. farthest d. longer
2. you must have _____ beyonce, and she is a very famous
singer who sang a song for the 77th annual academy awards(第
77届奥斯卡金像奖颁奖典礼).
a. heard from b. heard
c. heard on d. heard about
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3. we must hurry up, and the plane will _____ in five
minutes.
a. leave b. go c. take off d. lands on
4. ted ___ while he ___ his bicycle and hurt himself.
a. fell, was riding b. had fallen, rode
c. fell, were riding d. had fallen, was riding
5. the reporter said that the ufo ___ east to west when he
saw it.
a. was traveling
b. traveled
c. had been traveling
d. has traveled
6. when i arrived at his office, he ___ on the phone.
a. spoke b. was speaking c. had been speaking
d. had spoken
7. his computer is ____ expensive _____ tom’s.
a. as; as b. so; as c. much; as
d. as; than
8. tom ___ into the house when no one ___.
a. slipped, was looking b. slipped, had looked c.
had slipped, looked d. was slipping, looked
二．根据所给情况， 用should 或shouldn’t + 下列短语
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造句：
go away for a few days go to bed so late look for
another job
put some pictures on the walls
take a photograph use her car so much
1. (liz needs a change.) she ________.
2. (my salary is very low.) you _________.
3. (jack always has difficulty getting up.) he ____.
4. (what a beautiful view!) you _________.
5. (bill’s room isn’t very interesting.) he _____.
三．连词成句：
1. was, while, walking, i, saw, to, i, a, in, cat, school, a, tree
_________.
2. while, walking, was, car, the, exploded, past, i, it
_________.
3. said, he, living, he, in, was, london
_________.
4. i, speaking, to, you, you, the, were, while, saw, teacher
_________.
5. i, at, tv, 8pm, was, yesterday, watching
_________.
四．阅读理解
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people live all over world. they live on land that is low. they
live on land that is high. some live near the oceans. others live
far from the oceans.
earth has many different kinds of lands. in some places, the
land is flat(平坦的). flat lands are called plains(平原).
some parts of earth have hills. hills are higher than the land
around them. but hills are lower than mountains. did you ever
try to ride your bicycle up a hill? some parts of earth touch
oceans. these parts are called coasts. some lands have water all
around them. these lands are called islands.
earth has many different bodies of water, too. you know
about the oceans. there are very large bodies of water. the water
in the oceans is salty. there are also smaller bodies of water
called lakes. lakes have land all around them. rivers carry water
from the land. they are long bodies of running water. the water
in rivers is not salty. most lakes do not have salty water, either.
1. people live on ___ lands.
a. high and salty
b. low and high
c. low and salty
d. salty and flat
2. hills are higher than ___ and lower than ___.
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a. mountainsthe land
b. mountainslakes
c. the landmountains
d. lakesislands
3. some lands with water around them are called ___.
a. hills
b. mountains
c. flats
d. islands
4. what’s the meaning of the word “coast”?
a. 海岛
b. 海岸 c. 海洋
d. 海滩
5. according to(根据) the passage, which sentence is true?
a. the water in rivers and lakes is salty.
b. the water in oceans and all lakes is salty.
c. the water in oceans and some lakes is salty.
d. the water in oceans and of lakes is salty.
参考答案：
一.
1. c 根据题意应用副词的最高级。 2. d 听说过某人
用hear about, heard from 接到某人的信件。 3. c 起飞。
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4. a 5. a 6. b 7. a as...as中间用形容词的原形。
8. a
二.
1. she should go away for a few days.
2. you should look for another job.
3. he shouldn’t go to bed so late.
4. you should take a photo.
5. he should put some pictures on the walls.
三.
1. while i was walking to school i saw a cat in a tree.
2. while i was walking past the car it exploded.
3. he said he was living in london．
4. i saw you while you were speaking to the teacher.
5. i was watching tv at 8pm yesterday.
四. 1. b 2. c 3. d 4. b 5. c
FoonShion教育研究中心编制
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