宜兴市屺亭中学九年级英语下册 9b《unit 1 life in mars》grammar(2)课件.ppt
Life on Mars 1 What do many people think of the life by the year 2100? They believe ____________________________ by the year 2100. (that) we will live on the Mars 2 Who will do most of the work on Mars? People think _______________________ most of our work. And they are sure ________________ time for their hobbies. (that) robots will do (that) they will have 3 Object clauses introduced by ‘ that ’ People think (that) robots will do most of our work. Many people believe (that) we will live on the Mars by the year 2100. Many people are sure (that) they will have more time for their hobbies. From the sentences, we know (that) an object clause can be put after some _______, such as ‘ think ’, ‘ believe ’, ‘ know ’, or after some ___________, such as ‘ sure ’, ‘ certain ’. verbs adjectives 4 Many people believe (that) we will live on the Mars by the year 2100.( 改为否定句) Many people don ’ t believe (that) we will live on the Mars by the year 2100. Many people believe (that) we will not live on the Mars by the year 2100.√ We always put ‘ not ’ before ‘ think ’ and ‘ believe ’. 5 Try to find out whether it is an object clause or not. 1. These plants will produce food and oxygen that we need to live on Mars. 2. Scientists will develop plants that can grow on Mars. 3. People think that humans on Mars have to wear special boots to make themselves heavier. 4. We all know that Mars is a in the solar system. 5. The journey to Mars could take only a very short time in space shuttles that travel at half the speed of light. 6. Some scientists do not believe that the journey to Mars will be fortable. 6 Can any plants grow on Mars now? We don ’ t know/are wondering/are not sure ___________________ ___________________ on Mars. if/whether any plants can grow 7 Many people are sure that some plants can produce enough water on mars, aren ’ t they? No, nobody is sure ___________________ _______________________________ o
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