九年级英语unit12period1.pptx

Unit 12 Life is full of the unexpected. Do you ever be late for school? I overslept. The bus was too crowded to get on. There was an accident when I was on my way to school. I forgot to take my schoolbag! I left my schoolwork in my house! I had to go back and get it ! I thought it was Saturday, but actually it was Friday! 1a Look at the pictures. What happened to the girl? She woke up late. She wanted to use the bathroom but someone was in the bathroom. She ran to catch the bus. The bus had just left. She got to school and realized she had left her bag at home. 1b Listen to Mary talking about her morning. Complete the sentences. 1. By the time I got up, my brother ______ already ______ in the shower. 2.By the time I got outside, the bus ______ already ______ . 3.When I got to school, I realized I ______ ______ my backpack at home. had gotten had left had left 2a Listen to Mary continue her story. Number the pictures [1–4] in the correct order. 1 2 3 4 2b Fill in the blanks with the correct forms of the verbs in brackets. Then listen again and check your answers. When I ________ (get) home, I realized I ________ (leave) my keys in the backpack. 2. By the time I ________ (get) back to school, the bell ________ (ring). 3. By the time I ________ (walk) into class, the teacher ___________ (start) teaching already. got had left got had rung walked had started 1c Take turns being Mary. Look at the pictures above and talk about what happened this morning. A: What happened? B: I overslept. By the time I got up, my brother had already gotten in the shower. 过去完成时 (1) 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 (2) 用法：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。 (3) 它所表示动作发生的时间是“过去的过去”。 ① 表示过去某一时间可用by, before 等构成的短语来表示。 ② 也可以用when, before 等引导的时间状语从句来表示。 ③ 还可以通过状语从句或通过上下文暗示。 例如： When I got there, you had already eaten your meal. 当我到达那里时，你已经开始吃了。 By the time he got