新人教版選修6Unit5Thepowerofnature-Grammar[課件]

1、高中英語 選修(模塊）6-5.1,Period 4 grammar,Review the usage of ing form. Examine the sentences beloew and discuss in what way the structures similar to each other and in what way they are different,Looking carefully at the ground, I made my way to the edge of the crater.,The ing form used as an adverbial,Hav

2、ing experienced quite a few earthquakes in Hawaii already, I didnt take much notice.,Having + past participle (the perfect ing form) to refer to an action that took place before the time expressed by main verb.,小結(jié)-ing 形式的用法,1. ing 形式作狀語,2. ing形式的完成式,例句 (Having been) written in haste, the book has so

3、me faults. 這本書因倉促寫成，所以有些缺憾。,3. 使用-ing形式需注意的幾個問題。,分詞(短語)作狀語時，其邏輯主語必須與 句子的主語一致。如果不一致，必須用獨 立主格結(jié)構(gòu)來表示，也就是在分詞前面加 上它的邏輯主語。 My wife had a long talk with Sally, explaining why she didnt want the children to play together我妻子與莎莉 談了很長時間，解釋她為什么不想讓孩子 們在一起玩。(現(xiàn)在分詞explaining是句子 主語my wife做的動作，它們之間是主動,關(guān)系,即explaining的邏

4、輯主語，就是句子 的主語my wife 。)The train having gone,we had to wait another day.（the train邏輯主語 + having gone 既為獨立主格結(jié)構(gòu)）,分詞短語做狀語時，前面可以加上連詞或 介詞，但是分詞短語和句子之間不能用并列連詞(如but，and)，因為并列連詞接的是兩個并列成分，而分詞短語只是全句的一個狀語部分。分詞和主句之間可用逗號。,例如:誤: Having been told many times，but he still couldnt understand it。正: He was told many time

5、s, but he still couldnt understand it?；?Having been told many times， he still couldnt understand it。,-ing的一般式和完成式現(xiàn)在分詞都可以表示先后接連發(fā)生的動作。在可能引起誤解的場合應(yīng)該用完成式現(xiàn)在分詞表示先發(fā)生的動作。,例如: Opening the drawer，he took out his wallet. (=He opened the drawer and took out his wallet.)他打開抽屜，拿出錢包。 Coming into the room，he put dow

6、n his bag. (=he came into the room and put down his bag.)他走進(jìn)房間，放下提包。,Having brushed his teeth，Mr. Brown came downstairs for breakfast. 布朗先生刷過牙，就下樓來吃早飯。(此句如寫成:Brushing his teeth, Mr. Brown came downstairs for breakfast.可能指“邊刷牙，邊下樓。),分詞的否定形式是在分詞短語前面 加上 not, never等否定詞構(gòu)成。例如: Not fearing the fire, the ch

7、ild touched and got a finger burnt. 小孩兒不知道怕 火，用手去摸，把手指燙了。 Not knowing how to find the subway, I asked a policeman for help. 我不知道怎 樣找到地鐵，就去找警察幫忙。,Ex: Rewrite the sentences using the present or the perfect ing form of the underlined verbs. The first two have done for you .,1.When they heard about the

8、volcano they ran down to the village. hearing about the volcano, they ran down to the village.,2. After the scientists had studied the information they predicted that the lava would flow through the village. having studied the information, the scientists predicted that the lava would flow through th

9、e village.,3. Because I had experienced earthquakes before, I wasnt frightened.,Having experienced earthquakes before, I wasnt frightened.,4. When she woke up in the middle of the night she saw her room was as light as day.,waking up in the middle of the night, she saw her room was as light as day.,

10、5. As soon as we had stopped the car, we put on our protective clothing.,having stopped the car, we immediately put on our protective clothing.,6. Because l had spent all night watching the volcano erupting, I was very tired the next day.,Having spent all night watching the volcano erupting, I was very tired the next day.,7. As I came out of my house, I saw the volcano erupting.,Coming out of my house, I saw the volcano erupting.,8. As I had never see