【正文】
1. Last night, I saw /was seeing my friend John. It was his birthday and he was having a party. Choose the correct answer to plete the sentences. 2. They were having/had a French lesson in the language lab at ten o’clock this morning. 3. Suddenly, all the lights in my house were going off /went off. There was a big storm outside. 4.— I called you up at seven o’clock last night,but nobody answered it. — Really? I’m sorry, but I was teaching /taught a piano lesson at school. 5. — I was seeing/saw you and Tom in the library just now. — Oh, we showed /were showing several visitors around the school. 時(shí)態(tài) 現(xiàn)在進(jìn)行時(shí) 過(guò)去進(jìn)行時(shí) 結(jié)構(gòu) is/are /am+動(dòng)詞 ing was/were +動(dòng)詞 ing 用法 表示說(shuō)話時(shí)正在進(jìn)行或發(fā)生的動(dòng)作 表示在過(guò)去某一時(shí)刻或某一段時(shí)間正在進(jìn)行的動(dòng)作 時(shí)間狀語(yǔ) at the moment, now... at nine yesterday, at that time, during … 過(guò)去進(jìn)行時(shí)與現(xiàn)在進(jìn)行時(shí)的區(qū)別: Exercises 1. He ____ doing his homework now. A. is B. was C. were 2. ___ they playing with Tom when you saw them? A. Were B. Was C. Are 3. He ____ writing while I was singing. A. were B. was C. are A A B 1. Suddenly, all the lights in my house were going off / went off. There was heavy rain outside. Underline the correct words. 2. — I called you up at seven o’clock last night, but nobody answered. — Really? I’m sorry, but I was teaching / taught a piano lesson at school. 3. — I was seeing / saw you and Tom in the library just now. — Oh, we showed / were showing several visitors around the school. Write