英语：Unit 3 What were you doing when the UFO arrived复习课件（人教新目标八年级下）.pptVIP

when /while 的用法 1. when常与表示短暂的动作连用，经常引导一般过去时态的句子。 2. while常与表示持续性的动作连用，经常引导过去进行时态的句子。 小小翻译家 1.昨天早上9点钟你在干什么? What ____you ______at 9 o’clock yesterday morning? 2.当铃响时,我们正在操场上玩的很开心. We _____________in the playground when the bell___. 3.在那时,他正在通过电话交谈. He _____________ on the phone at that time. 4.今天早晨当我跑步时我遇到了我的朋友。 While I ____________ in the park this morning, I ______Lucy. were doing were having fun rang was talking was running met 过去进行时 1. 定义：表示在过去某一时间内正在进行的动作。常与表示过去的时间点或时间段连用。 2. 标志性时间状语： at this/that time yesterday, when sb. did sth . at 7o’clock this morning, at that time…… 3.构成： eg. 1)He was cooking in the kitchen at 12 o’clock yesterday .昨天12点，他正在厨房烧饭。 肯定形式：主语+was / were + 现在分词 否定形式：主语+was not/were not +现在分词 疑问形式： Was/Were+主语+现在分词 用所给词的正确形式填空: 1. It was six. The Greens ___________(have) supper . 2. When the teacher _______ (come) in, the students _____________ (talk) loudly . 3. _______you __________(watch) TV from 7:00 to 9:00 last night ? 4. A car accident _________(happen) to him last night . 5. I can’t find my key ________(somewhere) . 6. I followed my mother ________(visit) my uncle and ______(buy) some flowers for him . were having came were talking Were watching happened anywhere to visit bought 师友合作完成 Exercises 1.昨天早上9点钟你在干什么? What were you doing at 9 o’clock yesterday morning? 2.当不明飞行物起飞时,小明正在骑自行车. XiaoMing was riding his bike when the UFO took off. 3.在那时,他们正在做家庭作业. They were doing their homework at that time. 4.今天早晨当我给你打电话的时候你正在干什么？ What were you doing when I called you up this morning? 5.当他正睡觉的时候他梦见了UFO. While he was sleeping ,she dreamed of UFO. A competition 3a (P20) 3a 师友大比拼，看谁记得好 Dear Jack , I had an unusual ______________on Sunday .At around 10:00o’clock ,I _________________down the street when a UFO_________ right in front of me .You can __________how __________ it was !An alien _____________and walked down Center Street .I ___________it to see where it was going, and I was ___________when it wen