非谓语动词逻辑主语PPT课件

1、非谓语动词意义上的行为执行者就是其逻辑主语.如果其逻辑主语与非谓语动词之间是主动关系, 则非谓语动词要用主动语态形式; 如果是被动关系, 则用被动语态形式.第1页/共22页一.不定式的逻辑主语1.一般来说,动词不定式的逻辑主语就是句中的主语.I am sorry to hear that.We need oxygen to breath.He was seen to go out with a man.第2页/共22页He wants to learn English.Some stars are too small to be seen.This point to be explained

2、is about the long history of iron.第3页/共22页2.在以“宾语不定式”的复合结构中，宾语就是不定式的逻辑主语She wants you to call him back at 11.I often heard him sing the song.第4页/共22页They want the machine to be tested at once.3.在“ for/of ”+名词（或代词的宾格）动词不定式的结构中，“ for/of ” 后的名词（或代词的宾格）为动词不定式的逻辑主语This is for you to decide.第5页/共22页I dont

3、 think it advisable(可取的） for her to study medicineThere are a lot of experiment for the students to do.This box is too heavy for him to carry.第6页/共22页Its important for the students to learn a foreign language.Its very kind of you to dinner.二动名词的逻辑主语He avoided giving us a definite answer.第7页/共22页Have

4、 you finished reading the book?Ive been looking forward to going to Beijing for a long time.Norman hated being a fool.第8页/共22页2.动名词的逻辑主语如果不与句子的主语一致，则该动名词前一般有一个物主代词或名词所有格作为它的逻辑主语这种 “ 物主代词或名词所有格动名词 ”结构就是动名词的复合结构它在句中具有主语，表语、定语或宾语的功能。第9页/共22页Their coming to help was a great encouragement to us.Do you th

5、ink her going there will be of any help?They all thought Lao Lis going there a great mistake.I had no idea of their having done such a thing.第10页/共22页注意: 在现代英语中, 尤其是在口语中, 如果不是在句子的开头, 这种逻辑主语常可用名词的通格 (或人称代词的宾格)来代替, 这比用所有格更自然些.He didnt like young people / them smoking.She was awaken by someone knocking

6、 at the door.第11页/共22页三.分词的逻辑主语1.分词作状语时,其逻辑主语就是句中的主语.When heated, water will be changed into vapour.Given enough time, he would do it better.第12页/共22页While heating water, we can change it into vapour.Being a league member, he always sets a good example to others.第13页/共22页2.分词作宾语补足语时, 宾语就是其逻辑主语.Sudde

7、nly I head the door opened.Suddenly I heard someone opening the door.第14页/共22页3分词作定语时, 被修饰的名词就是其逻辑主语.The hours being built is our laboratory.Officials say diseases caused directly by smoking kill at least 320,000 Americans every year.第15页/共22页Some companies are offering special gifts and lower price

8、s to people signing an agreement to stop smoking.第16页/共22页4.分词独立结构分词作状语时,有时其逻辑主语与句中的主语不一致,它可以有自己的逻辑主语.该逻辑主语通常用名词的通格或代词的主格表示,放在分词的前面.第17页/共22页构成”名词通格(或代词主格) + 分词”的结构,称为分词独立结构.该结构通常修饰整个句子,表示时间、原因、条件或伴随情况.The problem having been solved, we ended the meeting.(=having solved the problem, we ended the meeting.第18页/共22页The rain having ruined her cap, she had to buy a new one.The night being dark, she was afraid to go there.He rushed into the room, his face covered with sweat.第19页/共22页注意:分词独立结构主要用于描绘性文字中;口语中用状语从句或并列句更自然些.第20页/共22页5.分词独立结构前面有时带有 “with/without”, 构成” with/wi