1、单元语法聚焦四 过去进行时&must的用法,Unit 4 Stories and Poems,教材典句,One day the children were playing in the garden when a giant appeared. 一天，孩子们正在花园里玩耍，这时一个巨人出现了。 2. It was wearing a big yellow hat.它戴着一顶黄色的大帽子。,单元语法聚焦四,3. He thought it must be the kings musicians passing by. 他想一定是国王的乐师们正在经过。I think a good story mu
2、st have great characters and an interesting plot. 我认为一个好故事必须有重要的人物和一个有趣的情节。,单元语法聚焦四,语法探究,一、过去进行时 1. 定义过去进行时表示在_某一时刻或某一时间段内 _发生或进行的动作。 2. 结构主语_/_其他,过去,单元语法聚焦四,正在,was,were,doing,3. 时间状语常用的时间状语有at five yesterday, the whole morning, when/while 引导的时间状语从句。,单元语法聚焦四,二、must 的用法 1. must 是_动词，后面要接实义动词或be动词的原形。
3、 2. must 意为“必须”，mustnt 意为“不准；禁止”。 3. must 还可以用来表示推测，意为“_”，用于肯定句， 表 示较大可能的推测。否定的推测要用cant, 意为“_”。,单元语法聚焦四,情态,一定,不可能,4. 注意：(1)must构成的一般疑问句的回答：肯定回答用must，否定回答 用neednt或dont have to。Must I leave now?Yes, you must./No, you needt./No, you dont have to.(2)must 强调主观上认为“必须”做的事； have to 强调客观上“不得 不”做的事。,单元语法聚焦四,实
4、战演练,.单项选择 ( ) 1.Why did the car hit the boy?Because the driver _ on the phone at that time.Atalk Bis talkingCwas talking Dhave talked,C,单元语法聚焦四,( ) 2.Our classmates went to a concert yesterday afternoon.What a pity! I _my homework.Ahad done Bwas doingCam doing Dwould do,单元语法聚焦四,B,( ) 3. Did you hear
5、 someone knock at the door just now?Sorry. I _ to my friend on the phone. Awas talking Btalked Cam talking Dtalk,单元语法聚焦四,A,( ) 4. 2017白银 We _ TV from seven to nine last night.Awere watching Bwill watch Cwatched Dwatch,单元语法聚焦四,A,( ) 5.2017兰州 When you_ me last night, I _ the piano.Awere calling; was p
6、laying Bwere calling; playedCcalled; played Dcalled; was playing,单元语法聚焦四,D,( ) 6. 2017随州Did you watch the football match on TV last night?I wanted to, but my father_ his favourite TV program.Awatched BwatchesCwas watching Dhad watched,单元语法聚焦四,C,( ) 7. 2017日照 If you want to be on the school football
7、team, you_ train harder. Acan BwillCmay Dmust,单元语法聚焦四,D,( ) 8. 2017丹东Hurry up, Mum! The bus is coming.Wait a minute, dear. You_ cross the road until the traffic lights turn green.Amust BneedCmustnt Dneednt,单元语法聚焦四,C,( ) 9. 2017毕节Must I finish the homework this morning?_. ANo, you mustnt BNo, you can
8、tCNo, you may not DNo, you neednt,单元语法聚焦四,D,( ) 10.2017云南I saw Susan in thelibrary just now.No, it_ be her. She went to Shanghai this morning. Amust BcantCmay Dneednt,单元语法聚焦四,B,. 按要求完成下列各题 They were talking happily in the room when I saw them just now.(改为一般疑问句)_ they _happily in the room when you sa
9、w them just now? 2. Was he watching TV at eight yesterday evening？(作否定回答)_， _ _,talking,单元语法聚焦四,Were,No,he,wasnt,3. I was writing a story the whole morning. (改为否定句) I _ _ a story the whole morning. 4. She said, “I am trying to reach him all the afternoon.” (改为间接引 语)She said that _ _ _ to reach him all the afternoon.,wasnt,单元语法聚焦四,she,was,trying,writing,5. They were resting in_the_living_room from ten to eleven this morning.(对画线部分提问)_ _they _ from ten to eleven this morning?,Where,单元语法聚焦四,resting,were,
