v-ing的动语态.ppt

v- ing表示主动，进行，在句中可作 Analyze v–ing form in each sentence: 1. Finding ways to grow more rice has been his life goal. 2. His performance is disappointing. 3. He tries cutting and chewing the bottom of the shoe. 4.They did everything they could to prevent the river from being polluted. 5. There is a swimming pool in our school. 6. I heard someone playing the piano in the next room. 7. They went out of the classroom, talking and laughing. Riddles Being selected president of USA in 2001 and 2005 made him feel proud. Now he is very busy with all kinds of affairs every day. (猜一位政治家) What kind of dog doesn’t bite or bark, but it likes being eaten? （猜一种食品） It doesn’t like eating any food, but drinking water. When writing, you are fond of(喜欢) being accompanied by it. （猜一种文具用品） Their job is being trampled (踩、踏) by man without any paint and complaint (抱怨). （猜一种生活用品） The city being greatly improved is to be the host for the next Olympic Games. We can watch basketball /football matches being shown without going out.（猜一种家电用品） 1. Being selected president of USA in 2001 and 2005 made him feel proud. The two basic forms: ※其一般被动式(not)being done表示一个被动的动作正在进行或与谓语的动作同时发生 ※其完成被动式 (not)having been done表示被动的动作发生在谓语表示的动作之前 Transforming 句型转换(改成带-ing形式被动结构的简单句) 1. The bridge which is being built will be completed next month. 2. The little girl was eventually aware(意识) that her parents abandoned her in the mountainous village. 3. He wouldn’t come if we don’t invite him. (without) 4. I noticed that some people were taken to the police station. 5. After he had been examined several times, he was told that he was healthy. -ing一般被动形式和完成被动形式 Being asked to give a performance, she couldn’t very well refuse. Bing asked表示和句子主语she之间是被动系， 和主句谓语动词refuse的动作几乎同时发生。 2) Having been asked to stay , I couldn’t leave . Having been asked表示和句子主语I之间是被动关系，且先于主句谓语动词leave发生。 动词-ing形式的被动式与过去分词的区别 The building being built now in our school is a library. The building built