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1、Unit 8 Natural disasters,Tom,play,football.,is,ing,Lucy,is,read,a book.,ing,What is Tom doing?,What is Lucy doing?,Present continuous tense be (am/is/are) + verb-ing,现在进行时,Tom,play,football.,was,ing,Lucy,was,read,a book.,ing,What was Tom doing at that moment?,What was Lucy doing at 2:30 p.m. yesterd
2、ay?,They,watching,TV from 6 to 8.,were,The twins,think,were,ing.,What were they doing from 6 to 8 last night?,What were the twins doing at this time yesterday?,What were they doing?,They were doing morning exercises,at 9:05 yesterday morning.,They were playing basketball,at this time last Sunday.,Sh
3、e was drinking milk,at this time yesterday.,at that time.,She was playing computer games,from 10 to 11 yesterday morning.,He was reading newspaper,They were doing morning exercises at 9:05 yesterday morning.,They were playing basketball at this time last Sunday.,He was drinking milk at this time yes
4、terday.,Can you work out the rule?,She was reading newspaper from 10 to 11 yesterday morning.,I was playing computer games at that time.,Past continuous tense be (was/were) + verb-ing,过去进行时,过去进行时主要表示在过去某一时刻正 在进行的动作。 e.g. a) They were eating breakfast at 7:00 am yesterday. b) I was writing a letter a
5、t this time yesterday. c) Five minutes ago, Danny was looking out of the window and Suzy was reading a book.,2. 在过去某段时间一直在进行的动作 e.g. a) From 1983 to 1998, he was teaching at Yale. b) They were building a dam last winter.,Make sentences.,1. at 9 oclock last Sunday 2. at this time yesterday 3. from 7a
6、.m. to 6 p.m. last Monday 4. at that time 5. from 9 to 10 last night,watch TV read books practise swimming watch the parade make cakes,过去进行时的句式 1) 基本结构：was/were + Ving 2) 肯定句: 主语 + was/ were + Ving 3) 否定句：was/were not + Ving was not = wasnt were not = werent,4) 疑问句：将 was/were 移到主语前 5) 特殊疑问句：疑问词 + wa
7、s/were +主语 + Ving ?,Was she talking at that time? No, she was not talking at that time.,No, they were not teaching English.,Were they teaching English?,We use the past continuous tense to talk about things that were happening at a particular time in the past.,Past continuous tense 过去进行时,过去进行时表示在过去某一
8、时刻或某一段时间内正在进行或发生的动作。 形式为was /were + V-ing。 常与表示过去的时间状语连用，如：last night, last Saturday等；或者与when, while, as引导的过去时间状语连用。,A snowstorm hit Sunshine Town,A snowstorm hit Sunshine Town. Mr. Wu is asking the students about it. Complete their conversation with the correct forms of the verbs in brackets.,Mr. W
9、u: What a terrible snowstorm! It started at about seven this morning . I _ (read) the newspaper then. What _ you _ (do), Simon? Simon: I _ (have) breakfast. Mr. Wu: What about you, Millie?,was reading,were doing,was having,Millie: I _ (walk) to the bus stop. Sandy, I saw you and your parents standin
10、g on the side of the road. _ you _ (wait) for a taxi? Sandy: Yes. My dads car broke down because of the cold weather. He _ (ring) someone to come and help when you saw me.,was walking,Were,waiting,was ringing,Look at the pictures and answer the questions.,What was the rabbit doing just now? What was
11、 the pig doing just now?,He was jumping just now.,He was dancing just now.,The rabbit was jumping while the pig was dancing.,The worm was eating while the dog was reading.,Two long actions went on at the same time.,We were clapping our hands while the teachers were walking across the park.,The rabbi
12、t was jumping while the pig was dancing. The worm was eating while the dog was reading.,While the pig was dancing, the rabbit was jumping.,While the dog was reading, the worm was eating.,while, when and as 都表示“当的时 候”。 e.g. I was sleeping when the earthquake started. People were running in all direct
13、ions while pieces of glass and bricks were falling down. As I was trying to find my way out, I suddenly heard some noise above me.,Using while, when and as.,1. 当连接同时发生的两个延续性长动作时，常用while引导。 e.g. While I was watching TV, he was listening to music. Millie was reading a book while Eddie was sleeping.,2.
14、 如果短暂性的动作是主句时，我们可 以用when, while 或 as 引导。 e.g. When/while/as Millie was watching TV, Andy came into the room. 3. 如果延续性的动作是主句时，我们经 常用when 来连接。 e.g. Millie was watching TV when Andy came into the room.,4. 如果两个短暂性的动作同时发生，我 们通常用as 连接。 e.g. As Millie sat down on the sofa, Andy came into the room. 注：当一个短暂性
15、动作发生的同时伴随 着一个延续性的动作，这时我们通 常用过去进行时来表示延续性的动 作，用一般过去时来表示短暂性的 动作。,Playing in the snow,Some Class 1, Grade 8 students went to play in the snow. Complete the sentences with the correct forms of the verbs in blanks. Use when, while and as to connect the sentences.,_ Simon _ (arrive), Amy _ (get) some snow
16、from the ground. 2. _ Suzy and Kitty _ (build) a snowman, Millie _ (take) photos. 3. Daniel _ (fall) over _ he _ (make) a big snowball.,When,arrived,fell,while/as/when,was making,When/While/As,were building,was taking,was getting,4. Peter _ (hide) behind a tree _ a snowball _ (hit) him. 5. _ Millie a
