動名詞作狀語

1、學(xué)習(xí)必備歡迎下載動詞 -ing 做狀語【學(xué)案】（必修四第四單元語法點）1.-ing短語在句子中可作狀語，來修飾謂語動詞或整個句子，表示動作發(fā)生的時間、原因、條件、結(jié)果、讓步或伴隨等情況。2. -ing 短語作狀語一般表示一個次要的動作， 一般都可以變?yōu)橄鄳?yīng)的狀語從句或并列句。1. 作時間狀語-ing 短語作時間狀語要置于句首。如：Hearing the bad news, they couldnt help crying.=When_,theycouldnthelpcrying.當(dāng)聽到這個不幸的消息時，他們情不自禁地哭了起來。Having received his letter, I deci

2、ded to write back.=After_, I decided to write back.收到他的信后，我決定給他回信。注意：當(dāng)v-ing形式所表示的動作發(fā)生在謂語動詞動作之前時，應(yīng)使用完成式：havingdone_(finish) his homework, he rushed out to play basketball.2. 作原因狀語-ing短語作原因狀語置于句首。如：Being so angry, he couldnt go to sleep.=Because_, he couldnt go to sleep.因為太生氣了， 他不能入睡。Having been to th

3、e Great Wall many times, he didn t go last week.=_he had been to the Great Wall many times, he didnt go因last為 wee他已經(jīng)去過長城許多次，上周他就沒去。3. 作條件狀語-ing作條件狀語置于句首或句末。如：Workinghard,youwillsucceed.學(xué)習(xí)必備歡迎下載=If_, you will succeed.如果你勤奮一點，你就會成功。4. 作讓步狀語-ing短語作讓步狀語，可置于句首或句末，常與even if, though連用。如：Though working from

4、 morning till night, his father didn t get enough food.=Though_, he didnt get enough food.雖然他父親從早到晚拼命地干活，但是他還是掙不到足夠的吃的。5. 作伴隨狀語置于句首或句末。如： They came into the classroom, singing and laughing.=They sang and laughed; they came into the classroom.他們又唱又笑地走進教室。注意：連詞 +現(xiàn)在分詞1. -ing 短語與 when, while, though, un

5、til, if 等連詞連用時，相當(dāng)于這些連詞引導(dǎo)的一個從句。如：When working in the factory, he was an advanced worker.=When_, he Though willingto attend the party, he refused theinvitation.=Though he was willing to attend the party, was an advanced worker.用 “連詞 +現(xiàn)在分詞 ”的結(jié)構(gòu)If you play all day, you will waste your valuable time.=If

6、playing all day, you will waste your valuable time.2. 動詞 -ing 形式在句中作狀語時，其邏輯主語與主句的主語 保持一致 。如：He traveled on the plane like this, keeping the tortoise hidden in a blanket.= When he traveled on the plane like this, he kept the tortoise hidden in a blanket. Choose the correct sentence（.T / F）1. a. Heari

7、ng the news, tears ran down her face. b. Hearing the news, she cried out sadly.2. a. Entering the classroom, I found nobody in it.學(xué)習(xí)必備歡迎下載b. Entering the classroom, nobody was found in it.3. a. Looking out through the window, the garden was beautiful.b. Looking out through the window, we saw a beaut

8、iful garden.4. a. Reading the evening newspaper, a dog started barking.b. I was reading the evening newspaper when a dog started barking.5. a. Being fine, we will have the sports meeting next week.b. It being fine, we will have the sports meeting next week.-ing 形式的否定式為在其前面加not。如： He sat there, not k

9、nowing what to say.注意：1.當(dāng) v-ing 形式與句子的主語之間存在著邏輯上的動賓關(guān)系時，應(yīng)使用被動式： being doneBeing helped by the teacher, she will learn English well.2. 當(dāng) v-ing 形式被動式的動作發(fā)生在謂語動詞動作之前時，doneHaving been shown the lab, we were taken to see the library.應(yīng)用完成被動式：having been=_(translate)into many languages, the book was widely read all over theworld.練習(xí)：（單項選擇）1.Theircarwascaughtinatrafficjam,thus_thedelay.A. to causeB.causingC. causedD. cause2. After seeing the m