(
课件网) Module 9 Great inventions Unit 3 Language in use A:When was the telephone invented A:Where was it invented A:Who invented it ● Baird B:It was invented in … B:It was invented in … B:It was invented by … Greatest inventions in the past ● Wright Brothers ● 1924 ● Britain 1875 ) America 1903 America Bell ● ● What kind of phone/plane/TV is invented today .. is invented today. modern inventions UVA (Unmanned Aerial Vehicle) 无人机 mobile phone 5G LCD TV 液晶电视 Information can be kept on CD-ROMs. Books could only be produced one at a time by hand. Can books be replaced by computers 情态动词的被动语态： 情态动词（not）+ be +过去分词 语法探究 表格：被动语态基本结构 时态 被动语态结构 一般现在时 一般过去时 现在进行时 过去进行时 一般将来时 过去将来时 现在完成时 过去完成时 am/is/are done was/were done am/is/are being done was/were being done shall/will be done would be done have/has been done had been done 主动语态如何改成被动语态？ 1. 主动语态的宾语改成被动语态的主语。 2. 主动语态的谓语动词改成被动语态的be动词加谓语动词的过去分词形式。 do 3. 注意保持时态和人称的一致。 4. 带双宾语的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必须加适当的介词: to，for。 be done Conclusion:(二) 语法探究 几种特殊结构 1.My uncle gave me a gift on my birthday． 2.We often hear him play the guitar． I was given a gift on my birthday by my uncle． A gift was given to me on my birthday by my uncle. He is often heard to play the guitar by us. 注意：see, watch, hear, notice, feel, make, listen to, look at等动词/短语后作宾语补足语的不定式都不带to；但改成被动语态后必须带to。 Complete the sentences and conversation with the correct form of the words and expressions in brackets. 1. _____ books _____ (replace) by computers in the future 2. My bike is broken. It _____ (fix) tomorrow. 3. — Dad, can I use the Internet this evening — Yes, but the computer is not on yet. The electricity _____ (not connect) until nine o'clock. 4. _____ the problem _____ (talk about) at the meeting tomorrow 5. Who _____ (invite) to give a report about great inventions next Friday 6. —When _____ the work _____ (finish) —In two days. Will be talked about will be fixed won't be connected Will be replaced will be invited will be finished 4. _____ the problem _____ (talk about) at the meeting tomorrow 5. Who _____ (invite) to give a report about great inventions next Friday 6. —When _____ the work _____ (finish) —In two days. will be invited Will be talked about be finished will 1. 肯定句形式：主语+情态动词+be + done The man must be sent to hospital. 2. 否定句形式：主语+情态动词 not + be + done The man must not be sent to hospital. 3. 一般疑问句形式： 情态动词+主语+be + done Must the man be sent to hospital 4. 特殊疑问句形式： 特殊疑问词+情态动词+主语+ be + done Where must the man be sent to 主语 +情态动词+ be + 动词过去分词（+ by + 动作执行者） 含有情态动词的被动语态 Before the _____of printing, few people could read. 2. There ... ...
