九大時(shí)態(tài)詳解_過(guò)去進(jìn)行時(shí)

1、.五過(guò)去進(jìn)行時(shí)定義：表示過(guò)去某個(gè)時(shí)間點(diǎn)正在發(fā)生的事情句型結(jié)構(gòu)：主語(yǔ) + 謂語(yǔ)動(dòng)詞 + （賓語(yǔ)）謂語(yǔ)動(dòng)詞： was/were +doing (動(dòng)詞 ing 形式 )* 注意：進(jìn)行時(shí)態(tài)的中出現(xiàn)的動(dòng)詞必須是持續(xù)性動(dòng)詞，而非短暫性動(dòng)詞。動(dòng)詞 ing 形式的變化規(guī)則：1.在詞尾 +ing ，如 play playing ；2.當(dāng)動(dòng)詞以重讀閉音節(jié)結(jié)尾且結(jié)尾只有一個(gè)輔音的時(shí)候，雙寫(xiě)末尾的輔音+ing ，如run running ；3.當(dāng)動(dòng)詞以輔音 +e 結(jié)尾時(shí)，去e+ing ，如 make making4.不規(guī)則變化：lie lyingdie dying例 1： We were having breakfa

2、st at 8:00 this morning.例 2: I was cleaning my bedroom at 7:00 last evening.例 3: Mary was waiting for the school bus then.例 4: You were listening to music when I saw you.句型轉(zhuǎn)換：變?yōu)榉穸ň洌?We were having breakfast at 8:00 this morning. (在 be 動(dòng)詞之后加not)weren t變?yōu)橐话阋蓡?wèn)句：Were you having breakfast at 8:00 this mo

3、rning?( 把 be 動(dòng)詞提到句子最前面，其它不變)回答：Yes, we were.No, we werent.特殊疑問(wèn)句的變化規(guī)則：三步走，一換二代三提前例 1： We were having breakfast at 8:00 this morning.(對(duì)劃線部分提問(wèn) )一換：換成一般疑問(wèn)句Were you having breakfast at 8:00 this morning?二代：把劃線部分用特殊疑問(wèn)詞代入Were you having breakfast at 8:00 this morning?doing what三提前：把特殊疑問(wèn)詞提前What were you doi

4、ng at 8:00 this morning?拓展提高：由 when 引導(dǎo)的時(shí)間狀語(yǔ)從句，從句用一般過(guò)去時(shí)，主句用過(guò)去進(jìn)行時(shí)You were listening to musicwhenI saw you.主句：過(guò)去進(jìn)行時(shí)引導(dǎo)詞從句：一般過(guò)去時(shí)注意：當(dāng) when 引導(dǎo)的從句與主句交換位置時(shí)，句子意思不變，如You were listening to music when I saw you.=When I saw you, you were listening to music.She was reading a book when her mother came back home.=Wh

5、en her mother came back home, she was reading a book.由 while 引導(dǎo)的時(shí)間狀語(yǔ)從句，主句和從句都用過(guò)去進(jìn)行時(shí)I was doing my homeworkwhilemy dad was watching TV last.主句：過(guò)去進(jìn)行時(shí)引導(dǎo)詞從句：過(guò)去進(jìn)行時(shí)=While my dad was watching TV, I was doing my homework.Linda was cleaning her bedroom while her brother was playing outside.=While her brother was playing outside, Linda was cleaning her bedroom.注意：從句要緊跟著引導(dǎo)詞。.練習(xí)一：請(qǐng)寫(xiě)出例2 、3、 4 的否定句，一般疑問(wèn)句及其問(wèn)答。練習(xí)二：請(qǐng)把下列句子改成特殊疑問(wèn)句(寫(xiě)出變化步驟 )1.The students were watching TV at home last night.練習(xí)三：用適當(dāng)?shù)囊龑?dǎo)詞，把下列句子連成一句話(huà)1. A. Martin was watering the flowers. B. Linda came in.2. A. Cindy and Lucy were studying Engli