UNIT 8
一．過去進行式
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句型變化 |
要點提示 |
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直述句：主詞＋was/were＋V-ing. |
Jack was watching TV. (Jack當時正在看電視．) |
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否定句：主詞＋was/were + not + V-ing |
Mr. Wang was not /wasn’t working in the garden. (王先生當時沒有在花園裡工作．) |
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疑問句：Was/Were +主詞＋V-ing? 答句：Yes, 主詞＋was/were. No, 主詞＋was/were + not. |
Mary: Were they helping their mother at that time? (他們那時正在幫忙他們的媽媽嗎？) Daniel: Yes, they were. (是的，他們是．) No, they weren’t. (不，他們沒有．) |
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Wh-疑問句：疑問詞＋was/were+主詞＋V-ing? 答句：代名詞＋was/were… |
Ken: What were you doing when I called you? (當我打電話給你時你正在做什麼？) John: I was playing the piano. (我正在彈鋼琴．) |
即時演練
一．依提示作答
1. What were you doing when the doorbell rang? (以正在洗碗作答)
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2. Tom was taking a bath when the phone rang. (改成否定句)
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3. Mrs. Chen was washing her dog at that time. (改成疑問句)
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4. They were playing basketball when I saw them. (依畫線部分造原問句)
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二．before、after和when、while的用法
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連接詞 |
使用時機 |
句型變化 |
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before |
表示兩件事情發生的先後關係 |
主詞＋動詞… (先發生) before+主詞+動詞…(後發生) =Before + 主詞+動詞…(後發生), 主詞+動詞…(先發生) =主詞+動詞…(後發生) after+主詞+動詞(先發生) =After+主詞+動詞…(先發生), 主詞+動詞…(後發生) |
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after |
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When |
表示動作的同時發生 |
主詞+簡單式動詞…when+主詞+簡單式動詞… =when+主詞+簡單式動詞…, 主詞+進行式動詞… →未強調動作正在發生 |
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主詞+進行式動詞…when+主詞+簡單動詞… =When+主詞+簡單式動詞…, 主詞+進行式動詞… →強調某一動作正在發生 |
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while |
主詞+進行式動詞…while+主詞+進行式動詞… =While+主詞+進行式動詞…, 主詞+進行式動詞… →強調某兩動作正在發生 |
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主詞+簡單式動詞…while+主詞+進行式動詞… =While+主詞+進行式動詞…, 主詞+簡單式動詞… →強調某一動作正在發生 |
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例句 |
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(1) He drank a glass of milk before he went to bed. (他在睡前喝一杯牛奶.) =Before he went to bed, he drank a glass of milk. (2) She went to work after she ate breakfast. (她吃完早餐後去上班.) =After she ate breakfast, she went to school. (3) He called his parents when he got to the airport. (當他到機場時,他打電話給他的父母.) =When he got to the airport, he called his parents. (4) Jack was watching TV when the phone rang. (當電話響的時候, Jack正在看電視.) =When the phone rang, Jack was watching TV. (5) I saw Mary while you were talking to Sam. (當你正在跟Sam講話的時候,我看見Mary.) =While you talking to Sam, I saw Mary. (6) I was watching TV while Tom was studying. (當Tom正在念書的時候,我正在看電視.) =While Tom was studying, I was watching TV. |
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You Know What?
在句型表中，when用來引導簡單式的句子，while用來引導進行式的句子，因為在國中課程較常見這樣的用法．其實when和while都可以引導出簡單式的句子和進行式的句子，主要子句也可以為簡單式或進行式，用什麼時態要看所強調的語意．
即時演練
填充題：在各句中填入before、 after或when.
1. __________ John came home, he bought some fruit and vegetables in the supermarket.
2. __________ Mr. Lin walked into the party, he saw his son dancing happily.
3. Mary goes to bed _____________ she brushes her teeth.
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