Unit12SectionA（Grammar Focus-4c）语法课教学课件2024-2025学年人教版英语九年级全册

Unit12 Life is full of the unexpected. Section A（Grammar Focus-4c） 初中英语人教版九年级全一册 1 在语境中理解、识记并运用本课时词汇：cream, market, bean, pie, show up… 了解过去完成时，能正确使用由when, before, as, by the time引导得时间状语从句表达过去发生的事情。 能运用本单元词汇和句式讲述过去发生的事情。 学习目标 Look at the pictures and complete the sentences. When Li Ming _________, it was already 8 o’clock. woke up Before he arrived at the bus stop, the bus _________. had left Look at the pictures and complete the sentences. By the time he got to school, the class _____________. had begun Look at the pictures and complete the sentences. When he felt hungry, he realized that he _____________ to eat breakfast. had forgotten Look at the pictures and complete the sentences. Grammar Focus 1.当我到学校时，我意识到我把背包忘在家里了。 2.我回到学校时，铃已经响了。 3.在我到达公共汽车站之前，汽车已经开走了。 When I ________ school, I realized that I _________ my backpack at home. By the time I _________ to school, the bell _________. Before I ________ the bus stop, the bus _______________. got to had left got back had rung had already left got to 4.我正要上楼去我的办公室，这时我决定先去买杯咖啡。 5. 当我和其他办公室工作人员排队等候时，我听到一声巨响。 I ____________ go up to my office when I __________ get a coffee first. As I ___________ in line with the other office workers, I _______ a loud sound. was about to decided to was waiting heard Language points 过去完成时 (1) 用法： 用来描述在过去某一时间或动作之前已经发生或完成了的动作。 (过去的过去) (2) 构成： 由“助动词had (用于各种人称和数) + 过去分词”构成。 否定式：had not + 过去分词 缩写形式：hadn’t (3) 标志词： 表示过去某一时间发生的动作用by the time, before, when 引导时间 状语从句；by the end of 接短语 (如：by the end of last year ) 表示过去的过去发生的动作常与already, since+点时间，for + 段时 间连用。 (4) 口诀： 有两个动作发生在过去，一个先发生， 一个后发生，先发生的用过 完，后发生的用过去。 过去完成时的具体用法 过去完成时动词表示过去某一时间或某一动作之前完成的动作或 状态。强调过去某一动作发生在另一动作之前时。 他说他以前见过你。 He said that he _________ (see) you before. had seen 2.过去完成时词可以表示过去某一时刻之前发生的动作或呈现 的状态，这一动作一直持续或将继续下去。 到了六点钟为止，他们已经工作了八小时了。 By six o’clock they ____________ (work)for eight hours. 我到广州时，他在那里很长时间了。 When I came to GZ , he __________(be) there for a long time. had worked had been 3. 过去完成时和 already, just, ever, yet等连用表示过去的过去。 他告诉我说他们队已经赢了。 He told me that his team ______ already _______ (win). 她说她仍没去过长城。 She said that she _______________(not go to) the Great Wall yet. had won hadn’t been to 1.一般过去时表示在过去某时发生的动作或存在的状态。 例：我们五年前开始学英语。 We started to learn English 5 years ago. 一般过去时、现在完成时与过去完成时 5 years ago now 2. 现在完成时表示的动作发生在过去，但侧重对现在产生的结果或 造成的影响，与现在有关。 其结构为：“助动词 have（has）+过去分词” 。 例：我们已经学了五年的英语了。 We have learned English for 5 years. 5 years ago have learned now 3. 过去完成时表示在过去某个时间或动作之前已经发生或完成了的动作 或存在的状态，即“过去的过去（ past-in-the-past ）”。 例：到去年为止，我们已经学英语四年了。 We had learned English for 4 years by last year. 　　　　　 past in the past past now 总 结 1. 过去完成时的构成：_____+___________ 2. 过去完成时表示： ________________________________________________________ 3. 过去完成时常于 ________________________ 等引导的时间状语连用。 had 过去分词 when, before, by the time 过去某一时刻或动作之前已经发生或完成的动作。 用所给词的适当形式填空。  1. When I got there, the bus _________ (go).  2. By the time I got to class,  the teacher ___________ (start) the class.  3. We __________ (learn) over 1,000 words by the end of last term. 4. I ___________ (clean) the room before he arrived here. had gone had started had learnt had cleaned Make sentences using by the time or before. 4a 1. Tim went into the bathroom. Mary got up. _________________________________________________________ 2. The coffee became cold. I put cream (n. 奶油) in the coffee. _________________________________________________________ 3. The teacher collected the math homework. I got to school. ___________________________________________________ Before I put cream in the coffee, the coffee had become cold. By the time Mary got up, Tim had already gone into the bathroom. By the time I got to school, the teacher had collected the math homework. 4. I completed the work for my boss. The workday (n. 工作日) ended. _________________________________________________________ 5. The movie started. I arrived at the cinema. _________________________________________________________ 6. My mother finished making the apple pie (n. 苹果派). I got home from my language course. ___________________________________________________ I had completed the work for my boss before the workday ended. The movie had started before I arrived at the cinema. By the time I got home from my language course, my mother had finished making the apple pie. Fill in the blanks with the correct forms of the words in the box. 4b 1. By the time I arrived at the party, everyone else _____ already _________. 2. When he put the noodles into a bowl, he realized he ____________ to add the green beans (n. 豆). rush out forget arrive at go into show up find out shown up had had forgotten 3. By the time my mother came back from the market (n. 市场), I ____ already __________ of the door to go for my piano lesson. 4. Before she got to the airport, she ______________ about the earthquake. 5. When she _____________ the movie theater, she remembered she had forgotten to feed her dog. 6. Before she got a chance to say goodbye, he _______________ the building. had rushed out arrived at had gone into had found out Write two true statements and one false statement about your day yesterday. Then ask your classmates to guess the false statement. 4c 1. By the time I left for school in the morning, ___________________________________________ ___________________________________________ ___________________________________________ I had already had breakfast. I had already had supper. I had already had my hair cut. 2. By the end of the school day, ___________________________________________ ___________________________________________ ___________________________________________ 3. By dinner time, ___________________________________________________ ___________________________________________________ ___________________________________________________ I have got a present from Tom. I had had these articles read. I had finished my homework. I had had too many apples. I had eaten plenty of meat. I have had all the housework finished. Exercises 1. I happened _____ him in the park yesterday. A. meet  B. meeting  C. met  D. to meet   2. Have you ever invited a friend ____ your school?   A. for  B. with   C. to   D. at  3. What did you do ______ April Fool’s Day?    A. on  B. at    C. in   D. with   D C A 4. — The advertisement says there will be a great celebration this  Sunday.     — Forget it, it’s a ________.   A. fool  B. hoax  C. pleasure  D. risk 5. Johnny announced that he would never_____ before finding a  satisfying job.   A. marry    B. married     C. get married   D. get marry  6. — Why was Miss Lee angry this morning?   — Because Tom didn’t _____ his homework.     A. hand out    B. hand in    C. give away    D. give out  C B B [hoʊks] n. 恶作剧，骗局 $$