1、1Unit 8 Natural disastersPeriod 4 GrammarLearning Aims1. To recognize and use the past continuous tense2. To understand the use of “when” and “while”Learning activitiesActivity one Preview一、写出下列单词划线部分音标、词性和词义。1.discuss _ 2.terrible_ 3.break _ 4.snowball _ 5.snowman _ 6.hit _ 7.project_ 8.guidebook_二
2、、了解下列生词的用法。His car broke down because of the cold weather.break 词性：_ 词义：_过去式：_break down 译为_ My bike _ _ yesterday. Can you lend me yours?三、翻译下列短语。1.run wildly _2.search the Internet _3.do a project on natural disasters_4.try to find a map of Tangshan_5.on the side of the road_6.break down_7.because
3、 of the cold weather_8.ring sb._9.fall over_10.hide behind the tree_Activity two Revision 1. 一般现在时.He gets up at six.It is fine today. The sun rises in the east.一般现在时表示：1._2._3._时间状语有_2. 一般过去时.I went to school on foot.She came in just now.一般过去时表示_时间状语有_3. 现在进行时We are having our English class now. 现在
4、进行时表示_时间状语有_4. 一般将来时I am going to/shall/will visit my uncle this weekend. 一般将来时表示_时间状语有_2Activity three Grammar A: Past continuous tense1. 过去进行时的基本用法(1) I was eating breakfast at 7.00 this morning. (2) Last night from 8:00 to 10:00 he was watching TV. 过去进行时的结构是_，它表示_,常与表示过去的具体时间（段） ，如：at that time，
5、this time yesterday，at 9.00 last night , at that moment, when I came home yesterday ，from7 to 10 this morning 等 连用。写出下列句子的否定句,一般疑问句及肯定回答和否定回答。(1) I was running.否定句：_疑问句：_肯定回答：_否定回答： _对划线部分提问：_(2) Daniel was talking to Millie. 否定句：_ _疑问句：_肯定回答：_否定回答： _对划线部分提问：_Activity four PracticeStep 1 Do some exe
6、rcises. 一、根据要求改写下列句子。1. Eddie was sleeping when it started to rain.（对划线部分提问）_2. He was reading a story at eight last night.（改为否定句）_3. They were playing basketball at that time.（改为一般疑问句）_二、用所给词的正确形式填空。1 What _ you _(do) at this time last week?2 _ you _ (have) classes at eight yesterday morning?3 My m
7、other _ (read) newspaper at that time.4 At 10 oclock this morning, my father _ still _ (sleep) in his room.5 - What were you doing yesterday evening? - I _ (write) the article about wildlife.6 It _ (snow) the whole night yesterday.Step 2 Find the time expressions in the sentences above. Step 3 Finis
8、h Part A1 on page 99 and Part A2 on page 100. Activity five Grammar B: Past continuous tense with “while” and “when” Step 1 Free talk1. What was Timmy doing when the earthquake started?2. What were people doing while pieces of glass and bricks were falling down?3. What was Timmy doing when he sudden
9、ly heard some noise above him?Step 2 Read the following sentences and find out the rule1.The earthquake started while I was doing some shopping. People were running wildly while pieces of glass and bricks were falling down. 发生在过去的两个_性动作同时进行，用_连接，主句与从句都用_3时。2. While we were having supper, the light w
10、ent out.He was riding a bike when he fell off and hurt his leg.当过去的一长一短两个动作同时发生时，既可以用 when 也可以用 while 来连接两个句子。通常用_连接较短动作，用 _连接较长动作。较短动作用_时，较长动作用 _时。Activity six PracticeStep 1 Complete the sentences with the right words in the brackets.1He _(made, was making) cakes when I left.2They were cleaning th
11、e blackboard _(while, when) the teacher came in.3_(When, While) the old man was looking at the map, the boy arrived.4He _ (drove, was driving) to the park when the car _ (hit, was hitting) the tree.5While he _(played, was playing) the piano, his sister _(stood, was standing) beside him.Step 2 Finish
12、 the exercises on page 101. Exercises【检测反馈】一、根据提示完成单词。1. The students were _ how to help the people in the disaster area.(讨论)2. There was a _ accident in the centre of the city.(可怕的)3. The teacher wanted to know who b_ the window.4. I would like to know the time of your _. Then I will go to the airp
13、ort to meet you.5. The children were making _ and playing snow fights at that time.二、单项选择。( ) 1. I was trying to sleep _ I heard a strange scream from outside.A. quietly after B. after quietly C. suddenly when D. when suddenly( ) 2. Linda didnt tell me _.A. where was she calling B. why was she feeli
14、ng unhappyC. how she found the way out D. when could she come back( ) 3. The accident happened _ a cold morning.A. at B. in C. by D. on( ) 4. The boy knew he _ be trapped for a long time, so he didnt drink all the water.A. should B. might C. must D. need( ) 5. -Why wasnt David here yesterday?-Becaus
15、e he _ off his bike and _ his leg.A. fall; break B. fell; broke C. falls; broke D. fell; breaksExercises【巩固提升】一、根据句意从方框中选择合适的动词，并用其适当形式填空，使句子通顺。listen discuss do search visit 1. What _ your brother _ at nine oclock last night?2. They _ to music while we were dancing.43. When I saw him, he _ the Inte
16、rnet.4. They _ a problem in the meeting room at this time yesterday.5. _ Amy _ the Science Museum from 9:00 a.m. to 11:00 a.m. yesterday?二、用所给动词的正确时态填空，完成对话。Daniel: I tried to call you last night but your phone line was busy. What _you_(do) ?Amy: When _ you _ (phone) me?Daniel: It was about seven .
17、Amy: Oh , I _ (talk) to Millie on the phone . I _(tell) her about my trip to Shenzhen. She _(plan) to go there with her family during the holiday. Why _ you _(call) me ?Daniel: I _(do) my Maths homework and I _ (not understand) one question. But never mind , I _ (ask) Simon already.三、阅读理解。A terrible
18、 noise like thunder was heard, followed by strong shaking of the classroom building. Mrs Li Lan, a country school teacher was giving a class. She realized（意识到）at once that it must be a powerful earthquake hitting the area. She tried her best to make the children calm down, told them to leave the cla
19、ssroom and get down to the playground as quickly as possible. When all the children had left, she followed them to the first floor. The earth still kept shaking violently(剧烈). Some of the buildings nearby were falling down, and a great number of falling stones were rolling down from the hills behind
20、 the school. Suddenly, she found a little boy fell over and was hit by a big stone right on his body. She forgot the danger she was facing and ran over, trying to push the stone away. The stone was so big that it was not easy for her to move it away. She kept pushing until the boy was pulled out, ca
21、rrying him to the center of the playground. The boy was later sent to hospital and saved. 根据短文内容回答问题。1.What kind of disaster happened in the story ?_2. What were the children doing when the disaster happened ?_3.When she saw the boy under the stone ,did she leave at once?_4. Was the little boy killed or saved at last ? _5. What do think of Li Lan ?_
