【正文】 yesterday morning. My father wrote a passage yesterday afternoon. Did you have a good time last summer? 2. 表示過去經(jīng)?；蚍磸?fù)發(fā)生的動作。 My father often went to work by bus last year. When I was a child, I often listened to music. yesterday yesterday morning / afternoon / evening last night / week / month / year … two days / a week / three years ago … in 1990 … … 肯定式： 主語 + 動詞過去式 + … We heard a sound. 否定式： 主語 + did + not + 動詞原形 + … We did not / didn?t hear any sound. 一般疑問式： Did + 主語 + 動詞原形 + …? Did you hear a sound? Yes, we did. / No, we didn?t. be am is are was were 肯定式： 主語 + was / were + … 否定式： 主語 + was not (wasn?t) / were not (weren?t) + … 一般疑問式： Was / Were + 主語 + …? Yes, 主語 + was / were. No, 主語 + was not (wasn?t) / were not (weren?t). 一般過去時 肯定式 主語 + was / were + 其他 . 主語 + 動詞的過去式 + 其他 . 否定式 was 主語 + not + 其他 . were 主語 + didn’t + 動詞原形 + 其他 . 一般疑 問句及 回答 Was / Were + 主語 + 其他 ? (肯 ) Yes, 主語 + was / were. (否 ) No, 主語 + wasn’t / weren’t. Did + 主語 + 動詞 原形 + 其他 ? (肯 ) Yes, 主語 + did. (否 ) No, 主語 + didn’t. 巧記動詞過去時態(tài) 動詞一般過去時，表示過去發(fā)生事； be用 was或用 were， have, has變 had； 謂語動詞過去式，過去時間做標志； 一般動詞加 ed，若是特殊得硬記； 否定句很簡單，主語之后 didn?t添； 疑問句也不難， did放在主語前； 謂語之前有 did，謂語動詞需還原； 動詞若是 was, were，否定就把 not添。 ① 肯定句 : 主語 + am/is/are + ing ② 否定句 : 主語 + am/is/are + not + ing ③ 疑問句 : Am/Is/Are + 主語 + ing 現(xiàn)在進行時表示 現(xiàn)在 或 現(xiàn)階段 正在進行或發(fā)生的動作。 1) 表示 說話時正在進行 的，目前正在發(fā)生的動作。常帶有表示目前時刻的時間副詞 , 如： now, at the (very) moment, for the time being, at present, 及 Look! Listen! ... ① Look! The big bird is flying away. 看，那只大鳥正在飛走。 ② He is watching a movie now. 他現(xiàn)在正在看電影。 2) 表示目前一段時間內(nèi)正在進行，但 說話時可能沒有進行的動作。 Right now I am studying Chinese by distance learning. 我現(xiàn)在正通過遠程教育學習漢語。 3) 與 always, constantly, forever, all the time等副詞連用，表示動作反復(fù)或習 慣。此時句子常含有說話者的強烈 情感在內(nèi)。表達較強的“責備”或“表 揚”之意。 ① You are always changing your mind. 你總是主意不定。 (太煩人了。 ) ② He is always helping others. 他總是幫助別人。 (他真是個好人。 ) ① He is leaving on Wednesday. 他將于周三離開。 ② Mary isn?t here at the moment. She is ing later. 瑪麗現(xiàn)在不在這兒，她一會兒來。 4) 對于 e, go, leave, arrive, start等 表示位置移動的動詞?？捎眠M行時 態(tài)表將來。 過去某一時刻 正在 進行 的動作 (a) They were eating breakfast at 7:00 am yesterday. (b) I was writing a letter at this time yesterday. (c) Five minutes ago, Danny was looking out of the window and Suzy was reading a book. 過去進行時表示 過去某時正在進行 的 動作或存在的狀態(tài)。 2. 在 過去某段時間 一直在 進行 的動作 (a) From 1983 to 1998, he was teaching at Yale. (b) They were building a dam last winter. (1) 基本結(jié)構(gòu)： was / were + verbing (2) 否定式： was / were not + verbing was not = wasn?t were not = weren?t I was doing some shopping. People were running wildly. I was not reading. People were not running wildly. (3) 疑問句：將 was / were調(diào)到主語前 結(jié)構(gòu)為： Was / Were + 主語 + verbing? 回答： Yes, 主語 + was/were. No, 主語 + was not/wasn?t. were not/weren?t. Was he running? Yes, he was. / No, he wasn?t. Were they running? Yes, they were. / No, they weren?t. when, while和 as這三個詞都有 “當 …… 時候”的意思。 Past continuous tense with ?while? , ?when? and ?as? While Mille was watching TV, her mum was sleeping. 米莉在看電視時，媽媽在睡覺。 I saw a traffic accident as I was riding to school this morning. 今天早晨我騎車去學校時看到一起交通事故。 Was he doing his homework when the teacher came in? 當老師進來時，他正在做作業(yè)嗎？ 【 拓展 】 現(xiàn)在進行時 可以表示 將來的動作 ，同樣，過去進行時 也可以表示 從過去某時看來將要發(fā)生的動作 。 Lucy arrived in Beijing last Friday, b