【正文】
/ since / as 我們用 because / since / as說明理由。 A moment of fear went ______my mind. 2)火車正穿越隧道。 Susan asked him if he was leaving early the next morning. 蘇姍問他是否準(zhǔn)備第二天一大早就動身。 What was Tom doing during the summer holidays? 湯姆在暑假期間都做了什么了? We were visiting various museums is London when we stayed there. 在倫敦逗留期間,我們參觀了各種博物館。 2. The man changed his mind in the end. 這個男子最后改變了主意。 類似的短語有: one by one 一個接一個 bit by bit 一點點地 day by day 一天天 by and by 不久 [ step by step 逐步地 side by side 肩并肩地 little by little 逐漸地 hour by hour 一小時一小時地 二、語法 點撥 過去進行時 1. 基本用法 過去進行時表示過去某一時刻或某一階段正在進行著的動作,一般與表示過去的時間狀語,如 : then, at that time, at six, (at this time)yesterday, from 8 to 10 last night 等連用;但有時沒有這些時間狀語,而通過上下文的聯(lián)系來表示 ① 表示過去某一時刻正在進行 的 動作。 She was getting better and 的 身體越來越好了。 (這一動作已完結(jié)) They were cooking for supper yesterday evening. 昨晚她正在做晚飯。通常把 since / as放在句首,而 because更多地放 在句中,并且 because常用于回答 Why提問的問句。(已做完) 2. 動詞構(gòu)成 was (were)+現(xiàn)在分詞 3. 句式變化 【 小試牛刀 】 1. While we __________ (wait) for the bus, a girl __________ (run) up to us. 2. I __________ (telephone) a friend when Bob __________ (e) in. 3. Jim __________ (jump) on the bus as it __________ (move) away. 4. We __________ (test) the new machine when the electricity __________ (go) off. 5. As I __________ (walk) in the park, it __________ (begin) to rain. 6. I phoned you yesterday morning, but nobody answered.