05 Unit 2 Cherishing Friendship 动词不定式的时态和语态及否定形式-英语沪外版选择性必修第三册

Unit 2 Cherishing Friendship 1 Grammar 动词不定式的时态和语态 2 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。 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。 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。 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. 形 式 主 动 被 动 一般式 进行式 完成式 完成进行式 to do to have done to be doing to have been doing to be done to have been done e.g. The question is very difficult to answer. The problem is difficult to deal with. 1. 主语 + be + adj. + to do 能用于此句型的形容词有: difficult, easy, comfortable, fit, hard, pleasant, tiresome (使人疲劳的), interesting, nice, heavy, dangerous, light, important, etc. The box is light enough to carry. The river water is warm enough to swim in. 2. 主语 + be + adj. + enough + to do The books seemed too heavy to carry. The ice is too thin to skate on. 3. 主语 + be + too + adj. + to do 动词不定式的否定形式 否定式:not/never+to do 各种形式否定式都在to前加not或never。例如： The lawyer listened with full attention, trying not to miss any point. 律师全神贯注地听着，不想遗漏任何要点。 Tell them not to throw waste paper on the ground. 叫他们不要把废纸扔在地上。 不定式综合训练 1.He asked me to help him repair his radio, but I don’t know ___. to do it B. how to C. what to do it D. how to do 2. His voice made me _____ terrible. To feel B. feel C. feels D. felt 3. My parents told me ____ people when they are in trouble. never laugh at B. not to laugh at don’t laugh at D. not laugh at 4. It’s bad manners ____ rude to people. to be B. are C. be D. to being 5. It’s interesting _____ us to take part in the gam