[高中英语选修七Unit01B.pptVIP

How can you believe I can fly like a bird? _______is to believe. It’s impossible for humans _________________now. 动词不定式的作用 Functions of Infinitive 1 主语 (subject) 2 表语 (predicative) 3 宾语 (object) 4 宾补 (object complement) 5 定语 (attribute) 6 状语 (adverbial) 7. 独立结构 (absolute construction) Yao Ming likes to play basketball. I find it still necessary (for him) to _________ if he wants to win. I got up early to _____________.You came here to________. To tell the truth, I am not happy at the moment. 1. It is good to help others. 2. It is my ambition to make sure that the disabled people in our neighborhood have access to all public buildings. 3. My ambition is to work in the computer industry when I grow up. 4. I don’t have time to sit around feeling sorry for myself. 5. I am the only student in my class to have a pet snake. 6. A big company has decided to buy it from me. 7. My fellow students have begun to accept me for who I am. 8. I have had to work hard to live a normal life. 9. Some days I am too tired to get out of bed. 10. We must call on local government to give financial assistance to disabled people. 不定式的时态 不定式的一般式 to do I am glad to see you. He has decided to give her some money. 表示的动作通常与谓语所表示的动作 或状态同时或者几乎同时发生，或是 在它之后发生。 不定式的进行式to be doing I am very glad to be working with you. He pretended to be working hard when his boss passed him. 表示的动作通常与谓语动词表示的动 作同时发生。 不定式的完成式 to have done He happened to have seen the film before. The novel is believed to have been translated into Chinese. 不定式所表示的动作发生在谓语动作 或状态之前。 不定式的完成式 to have done He wanted to have met you at the airport, but he didn’t get there in time. 表示过去没有实现的期待或者计划 hoped, promised, wanted, wished, expected, planned… 不定式的语态 主动语态 to do 被动语态 to be done It is an honor for me to be invited to attend the meeting. Everyone likes the hero to be praised. 省略to 与省略do We asked him to stay till the next day, but he refused to. Are you a teache