现在分词作状语有几种形式ppt课件

1、分词作状语,1,教学内容1.分词作状语2.独立主格结构,2,教学重难点1.分词做状语时分词逻辑主语的确定2.分词做状语时分词形式的选择3.独立主格结构的使用条件及其形式的选择,3,教学过程,复习现在分词的各种时态和语态 现在分词作状语 现在分词做状语与过去分词作状语的区别 独立主格结构,4,现在分词作状语现在分词作状语相当于状语从句可表时间，原因，方式，伴随情况，结果或条件等,5,(1)相当于原因状语从句,a. Being ill, she didnt go to school today. =As she is ill, b. Having seen the film ,he didnt g

2、o to the cinema with them. =Because he had seen the film ,6,Turning around (=When she turned around), she saw an ambulance driving up.,（2）相当于时间状语从句,7,(3)表示行为方式，伴随情况或补充说明等,The students went away, running and laughing.,8,(4)表示结果,a. The old man died, leaving nothing but debts.,9,(5)表示条件,If playing all

3、day ,you will waste your valuable time.,10,比较现在分词和过去分词作状语的区别,Following the old man, we went upstairs. (we followed ) (跟着那个老人, 我们上去了) 2. Followed by the old man, we went upstairs. (we were followed) (被那个老人跟着, 我们上去了),11,过去分词与现在分词作状语的区别,attention,pp和v-ing各有两大特点： 1. pp 表示被动的动作； v-ing表示主动的动作 2. pp 表示已经完成

4、的动作; v-ing 表示正在进行的动作,12,当堂练习 _for a long time, the book looks old. 由于用了很长时间，这本书看上去很旧. _ the book, I find it useful. 在使用的过程中，我发现这本书很有用. _ at her, he jumped with joy. (look) _at by her, he jumped with joy. (look),Used,Using,Looking,Looked,13,分词作状语答题记忆口诀,分词作状语，主语是问题。 逗号前后两动作，共用一主语。 主语找出后，再来判关系。 主动-ing,

5、被动用-ed。 Having done 表先后， 千万要牢记。,Having been done 是Having done的被动态,14,分词的独立主格结构,如果分词和句子没有逻辑上的主谓关系，则不能用单个的分词作状语，可以用分词的独立主格结构或状语从句,15,现在分词的独立结构为名词或代词分词，名词或代词是分词的逻辑主语 Time permitting, Ill call on you this Sunday. He entering the office, a letter was found on the ground.,16,分词作状语时,在少数情况下,其逻辑主语与句子的主语不一致,分

6、词用来修饰全句 Judging from his accent, he seemed to be from Hunan province. =If we judge,17,Generally speaking, every spy has a contact. Considering his age, he was helped by the young fellow.,18,1.The secretary worked late into the night, _a long speech for the president. To prepare B. preparing C. prepa

7、red D. was preparing 2.European football is played in 80 countries, _ it the most popular sport in the world. Making B. makes C. made D. to make,B,现在分词表结果状语,A,现在分词作伴随状语,高考链接,19,3. “Cant you read?” Mary said _ to the notice. A. angrily pointing B. and point angrily C. angrily point D. and angrily poi

8、nting,A,现在分词作伴随状语,20,4. _ a reply, he decided to write again. Not receiving B. Receiving not C. Not having received D. Having not received,C,现在分词作原因状语，分词结构中否定词通常放在现在分词前面。,作原因状语,21,1. Having not seen the film, I cant tell you what I think of it. 2. The men worked for extra hours got an extra pay. 3. Seen from the top of the hill, we find the city more beautiful.