初中英语语法：过去进行时态.ppt

我妈妈在做饭，同时，我爸爸在看报纸。 My mother was cooking while my father was reading a newspaper. 过去进行时和 When 连用 A was/were +doing sth When B +did sth. The boy was walking down the street_____ a UFO landed. The girl was shopping_____ she saw the alien get out. _____ the alien was buying a souvenir, the girl called the police. _____ the alien was visiting the museum, the boy called the TV station. 5．_____ Tom was eating supper, it began to rain outside. 6．Don’t use your cell phone_____ you are driving a car. 7．What were you doing _____Mr. Zhou came in? 8．Jim is good at math_____ Mary is good at English. 9．We were watching TV_____ the electricity was off. * * * * * What is the girl doing now ? What is the boy doing now ? What is the bear doing now ? She is running now . He is jumping now . He is skiing now . Present continuous tense现在进行时 构成：am/is/are + v-ing 意义表达 时间标志 现在分词的构成 What was the girl doing at 6:00 yesterday ? She was running at 6:00 yesterday. What was the boy doing at 7:00 yesterday? What was the bear doing at 8:00 yesterday? 基本用法 at this time yesterday afternoon She was eating choudoufu. They were eating yangrouchuan. 基本概念：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。 The Past Continuous Tense (过去进行时) 基本结构: Sb+ was / wasn’t were / weren’t + doing 注:doing 就是现在分词，词形变化与现在进行时相同 Add –ing to the following verbs. 1. ask — look — carry — 2. close — take — ride — 3. swim — get — sit — lie___ tie____ 4. put — begin — travel— die____ What was your father doing when you came back home yesterday? What was your brother doing when you saw him half an hour ago? 过去进行时主要表示： ? 在过去某一时刻正在进行的动作 （a） They were eating breakfast at 7:00 am yesterday . （b） I was writing a letter at this time last Sunday . ★at+时间点, at this time, at that time + 过去时间 ? 在过去某一段时间一直在进行的动作 （a） From 1983 to 1998 , he was teaching at Yale . （b） They were building a cinema last winter . 　 过去进行时的基本用法 主要表示过去某一时间正在进行的