高一英語(yǔ)必修4unit4語(yǔ)法

1、a running manthe man running inthe picture is liu xiang. 后置定語(yǔ)后置定語(yǔ)the man who is running in the picture is liu xiang.practicerewrite the following sentences.1. the bottle which contained the poison was sent to the laboratory. the bottle containing the poison was sent to the laboratory.the building be

2、ing built now is our new library. 2. the building which is being built now is our new library. 3. the man sitting on the platform is a professor from wuhan university.the man who is sitting on the platform is a professor from wuhan university.v-ing 作伴隨狀語(yǔ)作伴隨狀語(yǔ)v-ing 作伴隨狀語(yǔ)作伴隨狀語(yǔ)v-ing 作伴隨狀語(yǔ)作伴隨狀語(yǔ)v-ing 作方式

3、狀語(yǔ)作方式狀語(yǔ)二、二、v-ing 形式作狀語(yǔ)形式作狀語(yǔ)v-ing 短語(yǔ)在句子中可作狀語(yǔ)，來(lái)修飾短語(yǔ)在句子中可作狀語(yǔ)，來(lái)修飾謂語(yǔ)動(dòng)詞謂語(yǔ)動(dòng)詞或或整個(gè)句子整個(gè)句子，表示動(dòng)作發(fā)生的，表示動(dòng)作發(fā)生的時(shí)間、原因、條件、結(jié)果、讓步或伴隨時(shí)間、原因、條件、結(jié)果、讓步或伴隨等情況。等情況。v-ing短語(yǔ)作狀語(yǔ)，在功能上短語(yǔ)作狀語(yǔ)，在功能上相當(dāng)于一個(gè)完整的相當(dāng)于一個(gè)完整的狀語(yǔ)從句狀語(yǔ)從句。being so angry, he couldnt go to sleep.=because he was so angry, he couldnt go to sleep. being a student, you sho

4、uld study hard. =since you are a student, you should study hard.working harder, you will succeed. =if you work harder, you will succeed. 1. 使用使用v-ing 形式作狀語(yǔ)時(shí)，其邏輯主語(yǔ)形式作狀語(yǔ)時(shí)，其邏輯主語(yǔ)必須必須與主句的主語(yǔ)與主句的主語(yǔ)一致一致。如：。如： seeing the policeman, the thief ran away quickly.seeing 的邏輯主語(yǔ)也是的邏輯主語(yǔ)也是the thief 2.使用使用v-ing 形式作狀語(yǔ)時(shí)形

5、式作狀語(yǔ)時(shí)，其邏輯主，其邏輯主語(yǔ)與語(yǔ)與主句主語(yǔ)主句主語(yǔ)的關(guān)系必須是的關(guān)系必須是主動(dòng)關(guān)系主動(dòng)關(guān)系。如：如：對(duì)比練習(xí)對(duì)比練習(xí)see.if playing all day, you will waste your valuable time. 1. if you play all day, you will waste your valuable time.though raining heavily, it cleared up very soon. 2. though it was raining heavily, it cleared up very soon. 獨(dú)立主格：獨(dú)立主格： wait

6、ing for the bus, a bird fell on my heard我等汽車時(shí)，一只鳥落到我頭上。我等汽車時(shí)，一只鳥落到我頭上。 _, well do another two exercises. 如果時(shí)間允許，我們將做另兩個(gè)練習(xí)。如果時(shí)間允許，我們將做另兩個(gè)練習(xí)。i如果如果v-ing 的邏輯主語(yǔ)與主句主的邏輯主語(yǔ)與主句主語(yǔ)不相同，必須保留語(yǔ)不相同，必須保留v-ing 邏輯邏輯上的主語(yǔ)，這種語(yǔ)法現(xiàn)象稱上的主語(yǔ)，這種語(yǔ)法現(xiàn)象稱獨(dú)立獨(dú)立主格主格結(jié)構(gòu)。結(jié)構(gòu)。time注意三：注意三：如果如果v-ing 動(dòng)作動(dòng)作先于先于主句的的謂語(yǔ)動(dòng)詞而發(fā)主句的的謂語(yǔ)動(dòng)詞而發(fā)生的話，必須使用生的話，必須使用

7、v-ing 完成式完成式- having done sth. 注意四：注意四：功課做完后，我就回家了。功課做完后，我就回家了。 not knowing his address, i could do nothing but stay at home and wait.v-ing 形式（短語(yǔ)）的否定形式形式（短語(yǔ)）的否定形式常在其（常在其（ ）加）加not /never等。等。前面前面注意五：注意五：用動(dòng)詞的用動(dòng)詞的-ing形式改寫下列句子。形式改寫下列句子。1. because i stand on the top of the hill, i feel cold._ on the top o

8、f the hill, i feel cold.2. because he hadnt received an answer, he decided to write another letter to him._ _ _ an answer, he decided to write another letter to him.standingnot having receivedpractice:3. when he sees the mountain, he always thinks of his hometown._ the mountain, he always thinks of his hometown.4. because the students felt hot, they didnt stay in the school. _ _, the students didnt stay in the school.5. he hunted all the shops to look for a nice present for his mother.he hunted all the shops, _ _ a nice present for his mother.looking for seei