Unit3Ahealthylife现在分词-过去分词课件（人教版选修6）.ppt

;1.作定语;（一）作定语 1. 动词现在分词单独作定语，通常放在所修饰词前。例如： The sleeping boy is Tom. 2. 现在分词短语作定语放在所修饰词的后面，意思同定语从句差不多。例如 ： zxxk Tell the children playing outside not to make too much noise. = Tell the children who are playing outside not to make too much noise. ;3. 现在分词可相当于非限制性定语，常用逗号分开。例如： Tom, wearing beautiful clothes, followed me down the hill. = Tom, who is wearing beautiful clothes, followed me down the hill. 4. 有时现在分词可以和副词或名词构成复合词作定语。例如： This is an English-speaking country. ;（二）作表语 现在分词作表语多表示主语的特征。如amusing, discouraging, puzzling, refreshing, astonishing, exciting 等。例如： The story is moving. ;（四）作状语 现在分词作状语，其逻辑主语一般是句中的主语，如果不是，需在V-ing 形式前加名词或代词主格作逻辑主??。 作原因状语，相当于原因状语从句。 例如：Being ill, Mary didnt come to school yesterday (= As Mary was ill ,she didnt come to school yesterday ) Mother being ill, Mary had to look after her.;2. 作时间状语，相当于时间状语从句。例如： Seeing their teacher coming, the students stopped talking. (When the students saw their teacher coming, they stopped talking.) 如果现在分词表示的动作与谓语表示的动作同时发生，常在现在分词前加上when或while。例如： While waiting for the plane, I had a long talk with Simon ;3. 作条件状语 V-ing 形式作条件状语时，相当于一个条件状语从句。例如： Working harder, youll be No. 1 in your class. ( =If you work hard, youll be No. 1 in your class. )学科网 4. 作让步状语，相当于让步状语从句。例如： Weighing almost two hundred jin, the stone was moved by him alone.(=Although the stone weighed almost two hundred jin …;5. 作结果状语。例如： He died, leaving nothing but debts. 6. 作伴随状语或方式状语。例如： He sat by the roadside, begging. （五） 现在分词的完成式表示它发生在主句谓语动词表示的动作之前。例如 ： Having finished his homework, he left the classroom. ;（六） 现在分词的被动式 当句子的主语是动作的承受者时，用V-ing 形式的被动式。例如： The factory being built now is a big one. （七） 现在分词的否定形式是由“not + 现在分词”构成。例如： Not having been invited to the party, she had to stay home ;1.作定语;;过去分词;过去分词作表语;;过去分词;过去分词作宾补;过去分词;make, get, have, keep ;过去分词作状语;c、表示原因;过去分词;Thank you very much!