Unit 5 Work it out（交互动画复习课件）英语外研版三起五年级下册（新教材）

该小学英语课件围绕“用过去时与线索解决谜题”主题，系统整合语音（oi/oy发音）、核心词汇（detective, steal等）、关键短语（work out, ask for help）及四大句型（过去时特殊疑问句等），通过语法小贴士与分层练习构建知识网络，体现语言要素内在逻辑。 其亮点在于以“侦探解谜”情境串联复习，设计选择、句型转换、游戏（如Dart Balloon Pop!）等分层活动，培养学生语言运用能力与逻辑思维，助力教师精准把握学情，有效巩固过去时等核心知识。

nullnullnull Solving Mysterieswith Past Tense & Clues Unit 5:Work It Out 外研版五下（新教材） 1 04 Tips & Practice 03 Sentences 02 Words & Phrases /IC/ 01 Sounds & Letters 2 What did ancient people put in it? 特殊疑问句语调：降调 /bɔɪ/ — 男孩 boy 发音：/ɔɪ/ 字母组合oi/oy /tʃɔɪs/ — 选择 choice ɔɪ Sounds &Letters 3 SUSPECT Transition Words&Phrases 4 侦探 detective 它的（非人称所 有格） its 仔细地 carefully 奇怪的 strange 硬币 coin 5 啊哈！（恍然大悟） 闪亮的 shiny 珠宝 jewel （过去式stole） 偷 监狱 steal prison 6 Core Vocabulary north 一北方 another 一另一个 message -信息 7 放弃 一放弃 give up 把·……放进 一把………放进 put ... into... 深呼吸 —深呼吸 take a deep breath 求助 求助 ask for help 解决 解决 work out (1) KeyPhrases 8 climb snowy mountains cross the grasslands take care of protect all one's life Key Phrases come to an end 结束 保护······ 一生 照顾 爬雪山 穿越草原 9 Sentences 11 （她如何解决这个问题？） she solve the problem? did How （他做了什么？） he do? did What (Verb Base Form) 动词原形 +? (Subject) + 主语 + did Wh- SentencePattern1:PastTenseWh-Questions 12 她用一些树叶帮忙。 She used some leaves to help. 他偷了许多珠宝。 He stole many jewels. Sentence Pattern2:Describing Past Actions 13 他想告诉她珠宝在哪里。 wanted to tell her where The jewels were. He Answer 他为什么写这封信？ he write the letter? Why did Question SentencePattern3: Asking &Answering Reasons 14 Don't give 别把信给他妻子。 the letter to his wife. Imperatives We can Ability 我们能破解这条信息。 work out the message. Ability & Imperatives SentencePattern4: 15 Tips &Practice 17 ？ Wh-+did+主语+动词原形 答句用一般过去时陈述句. 她是怎么解决的？ How did she work it out? Tip 01: Past Tense Wh- Questions 18 C. Whose B. Which A. Who did he write to? 2. ) ( C. did B. does A. do she solve the problem? How C. Where B. When A. What did he do? 1. ) ( Practice 01-A: Multiple Choice Unit 5: Work It Out ( )3. 19 used leaves her way? she to find her way. She he stole many jewels. He Practice 01-B: Sentence Transformation Solving Mysterieswith Past Tense & Clues Unit5:WorkItOut What did do How did find 20 dug dig took take came come found find stole steal Tip 02:Irregular Past Verbs 无人称变化，直接使用过去式。 注意： 21 单项选择。 ( ) 1. He ______ many jewels. A. steal B. stole C. steals ( ) 2. They ______ the message in the letter. A. find B. found C. finds ( ) 3. She ______ a plan to work it out. A. take B. took C. takes 22 (come) to help the police. 3.She (find) the secret in the letter. 2.They (steal) the jewels last month. 1.He Practice 02-B: Fill in the Blanks stole found came 23 表目的：为了····· to+动词原形 例： They read the letter to find the secret. 用….做某事 use+工具+to+动词原形： 例：She used leaves to help. for Purpose todo use...to...& Tip03: 24 C. to B. at A. in tell her the secret. ( ) 3.He wrote C.so B. to A. and find the message. ( ) 2. We read the letter C. with B. for A. to help. ( ) 1. She used leaves Multiple Choice Practice03-A: 25 1.use, leaves, she, to, help Practice03-B:Sentence Building 2.work out, we, the message, to, read, the letter She used leaves to help. We read the letter to work out the message. 26 Give the letter to me. Don’t give the letter to his wife. 肯定祈使 Don't+动词原形 Tip 04: Negative Imperatives 27 单项选择 ( ) 1. ______ give him the letter. A. Not B. Don’t C. Can’t ( ) 2. ______ open the door. A. Don’t B. Not C. Isn’t 28 solved to find stole mystery clue worked out Keep Practicing Past Tense Clues! Great Detectives Solve Problems! 外研版五下（新教材） 30 $