Unit 4 Discovering Useful Structures 课件-2021-2022学年高中英语人教版（2019）必修第三册

Unit 4 Space Exploration Period 3 Discovering useful structures 1 Step 3 作定语 1. I have no desire to write. 2. The Smiths were the first to arrive. 3. There was nothing to be done. 4. I have a lot to say. 5. I have no idea where to go. 6. The conference to take place in Shanghai next week is of great importance. 句子成分 用法 不定式在句中中作___________ 1. 可修饰： 2. 多置于被修饰词___________ 3. 多表示_____________的动作。 观察总结 定语 名词或者代词 之后作后置定语 未来的 2 Step 3 作定语 1. The next train to arrive was from New York. 2. You are the only person to be late for such an importantmeeting. 3. It is recognized that he is the best man to do the job. 4. He is always the first to come and the last to leave. 总结 2. 序数词、形容词最高级和the last/the only/the next等后或被这些词修饰的名词后常用动词不定式作定语。 观察总结 3 Step 3 作定语 1. I have nothing to fear but fear itself. 2. Do you have anything to say? 3. There is nothing to worry about/ to be worried about. 总结 3. somthing, nothing, anything等不定代词后常用动词不定式。 4. 在there be 句型中，作主语的名词后可接不定式作定语，不定式用主动式或者被动式均可。 4 Step 3