非谓语动词及从句转换.pptVIP

非谓语动词与从句间的转换 非谓语动词与从句间的转换 在英语中，动词按其在句子中的作用，可分为：谓语动词和非谓语动词。 谓语动词就是可以单独直接在句子中做谓语的动词。 非谓语动词就是不能单独在句子中做谓语的动词。 一、什么叫做非谓语动词 二、非谓语动词的表现形式有： 不定式 （to do） 现在分词 （doing） 过去分词 （done） 动名词 （doing） 三、 非谓语使用条件 一个句子当中，已经存在一个主句（谓语动词）,又没有连词的情况下 She got off the bus, but left her handbag on her seat. She got off the bus, leaving her handbag on her seat. 主语 表语 宾语 补语 定语 状语 不定式 现在分词 过去分词 动名词 组成介词短语 四、非谓语动词充当的成分 + + + + + + + + + + + + + + + + + + 分词作状语　(分词做状语可以转换成其相对应的状语从句来表时间、条件、原因… ) Given more attention, the trees could have grown better. If the trees had been given more attention, the trees could…… Not knowing his telephone number, she had some difficulty getting in touch with Bill. As she didn’t know his telephone number, she had some …… While waiting at the dentist’s, I read the whole of a short story. (=While I was waiting … ) Before being in the army, he was an engineer. (= Before he was in the army, …) _____________(finish) my work, I went to bed. (= After I had finished my work, … ) Working hard, you will succeed. (= If you work hard, …) Having finished Being so poor in those days, we couldn’t afford to send the boy to hospital. (= As we were so poor …) Weighing almost one hundred jin, the stone was moved by him. (=Though the stone weighed almost one hundred jin, …) 1. 时间状语：可改为时间状语从句，也可在分词前加上连词“when , while , until”等，使其时间意义更明确。(多置于句首，也可置于句末) 2. 原因状语：可改为原因状语从句或并列结构。(多置于句首或句末，也可置于句中) 3. 条件状语：可加连词if , unless 等；也可换成条件状语从句。(多置于句首) 4. 让步状语：有时可加 although , though , even if , even though , whether…or 等连词，可转换成让步状语从句。(多置于句首) 5. 结果状语：可改为结果状语从句。（多置于句末） 6. 方式、伴随状语：可改成并列结构或从句。(多置于句末) A. 现在分词与过去分词作状语 When they heard the news, they all jumped with joy. Hearing When the baby saw its mother, it smiled. Seeing As they hoped to get our support, they sent us their statement. Hoping The snow lasted a week, so it resulted in a serious traffic confusion