高三英语一轮复习---非谓语动词和从句的转换课件(共29张PPT)

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. 四、非谓语动词充当的成分 + + + + + + + + + + + + + + + + + + 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 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