《外研版八年级上册英语《Module 12 Unit 3》教学课件》由会员分享，可在线阅读，更多相关《外研版八年级上册英语《Module 12 Unit 3》教学课件（42页珍藏版）》请在金锄头文库上搜索。
1、Unit 3 Language in use,Module 12 Help,外研八年级上册,What are they doing? They _ _ the building quickly when the ground stops shaking,are leaving,Lead-in,What are they doing? They are _ _ a table,hiding under,What is he doing? He is _ _ from the sea and moving quickly to higher ground,running away,祈使句表达说话人
2、对对方的叮嘱、 劝告、希望、禁止、建议、请求或命令等。 祈使句一般以动词原形开头， 无时态和数的变化。 常见的句型如下,一、祈使句,暗含的主语是you，通常省略。否定句往往由do not (dont)或never开头。祈使句的句首或句末有时加please,还可以加上称呼语，用逗号与句子主体隔开,1. 动词原形构成的祈使句,Have a nice day! Dont waste your time! Never be late again! Come this way, please. Please be quiet, boys! Make sure hes warm. Dont use the
3、 lift,例,2. Lets 构成的祈使句,这类祈使句往往用于提出建议。 例: a) Lets spend this weekend in the countryside. b) Lets take a taxi, shall we,在请求、命令和口号中，常用无动词祈使句， 它实际上是省略了动词，从而使语句更简洁有力。 例: a) Just a minute, please! b) This way, please,3. 无动词祈使句,情态动词can和could表示“能够，可以”等意义的用法。还可表示对现在或将来的推测，意为“会，可能”，但can表示推测时，往往用于否定句和疑问句。用于疑问句
4、时，can比could表示的“可能性要大；用于否定句时，cant表示“不可能”。 例: You cant be serious,二、情态动词must/can/could表示推测,could则可用于肯定句、否定句和疑问句。 在以下例句中,can和could均表示可能: a) He could be in pain. b) That could be harmful! c) Can/Could this be true,情态动词must也可以表示猜测, 意为“一定，准是”，通常只用于肯定句。 例: Betty, you must know,Who sent the present? Can it
5、be your brother,表示不可能,对比下列一组句子,询问可能性,It must be your brother. I saw him in your room just now,语气强烈， 表示非常肯定,It cant be my brother. He is still in France,Language practice,That _ be harmful! Betty, you _ know! _ _ from windows and heavy furniture. 4. _ _ _ street lights or under power lines,Stay away,
6、must,could,Dont stand near,1,1. It is dangerous. You _ keep out! 2. These stairs are not safe. You _ use them. 3. The rocks are falling down. You _ get hit. 4. The river is too deep. You _ swim in it. 5. Betty _ know what to do because she did some basic medical training,must,mustnt,could,mustnt,mus
7、t,Complete the sentences with could, must or mustnt,2,Underline the correct words to complete the first aid instructions,1. Get / Do not get medical help immediately. 2. Ask / Do not ask them where the pain is. 3. Lift / Do not lift them because you may drop them. 4. Keep / Do not keep them warm,3,C
8、omplete the poster about earthquakes with the correct form of the words and expressions in the box,do not use hide under keep leave stay away,When there is an earthquake,1. _ from the windows. 2. _ a table. 3. _ the lift. 4. _ the building quickly when the ground stops shaking. 5. _ calm,Stay away,H
9、ide under,Do not use,Leave,Keep,4,Complete the conversation with the words and expressions in the box,chance Cover in pain in trouble medical,Tony: Daming is training hard for the big match. Lingling: Yes, the team has a good (1)_ this year. Tony: Oh no, Damings (2)_. Hes down! Lingling: It looks li
10、ke hes (3)_,in pain,chance,in trouble,Tony: Daming, what happened? Daming: Its my leg. Lingling: (4)_ him with my coat. Tony: But dont move him. Lets wait for someone with (5)_ training. Lingling: OK,medical,Cover,chance Cover in pain in trouble medical,5,Complete the news report with the correct fo
11、rm of the words in the box,clear inside power rock trouble warn,Information is coming in that there could be (1)_ because of heavy rain in the north. The government is (2)_ people about falling (3)_. Some roads have a lot of rocks on them, but people are trying to (4)_ them quickly,clear,trouble,war
12、ning,rocks,clear inside power rock trouble warn,In some places there is no (5)_. And people must stay (6)_ to keep away from falling rocks,inside,power,Now read the report again and check () the true sentences,1. There are problems everywhere because of rain. The government is warning people about a
13、n earthquake. 3. Some roads in the mountains have a lot of rocks on them. 4. People are trying to clear the rocks off the roads. 5. There is no problem with power,6,Listen and complete the sentences,1. We were having _ at home when the earthquake happened. 2. The room started to _. 3. Father shouted
14、 to everyone to get under the _. 4. We could not get out of the room because the _ would not open. 5. My father called for help on his _. 6. People came to help us and we left our _,dinner,shake,kitchen table,door,mobile phone,flat,We were having dinner at home when the earthquake happened. The room
15、 started to shake and before we knew what was happening, father shouted to everyone to get under the kitchen table. We all sat on the floor under the table and waited,Tapescript,When the ground stopped shaking, we got up and we werent hurt. We couldnt get out of the room, because the door wouldnt open. My father called for help on his mobile phone, and in three hours, people came to help us. They opened the door. We got up and left our flat,7,Read the passage and choose the correct answer,A ten-year-old girl saved about
