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课件网) Unit 8 Natural disasters Period 3 Grammar 1 课时导入 2 课文呈现 3 考点精讲 4 单元 语法沙龙 5 课堂小结 What were you doing when it's raining yesterday I was reading at home. A. Past continuous tense We use the past continuous tense to talk about things that were happening at a particular time in the past. I was (not) sleeping at 10 p.m. last night. You / We / They were (not) He / She / It was (not) Was I sleeping at 10 p.m. last night Were you / we / they Was he / she / it Yes, I was. you / we / they were. he / she / it was. No, I wasn’t. you / we / they weren’t. he / she / it wasn’t. A snowstorm hit Sunshine Town A snowstorm hit Sunshine Town. Mr Wu is asking the students about plete their conversation with the correct forms of the verbs in brackets. Mr Wu: What a terrible snowstorm! It started at about seven this morning. I (1) _____ (read) the newspaper then. What (2) _____ you (do), Simon Simon: I (3) _____(have) breakfast. Mr Wu: What about you, Millie Millie: I (4) _____ (walk) to the bus stop. Sandy, I saw you and your parents standing on the side of the road. (5) _____ you _____(wait) for a taxi was reading were doing was having was walking Were waiting Sandy: Yes. My dad’s car broke down because of the cold weather. ① He (6) _____(ring) someone to come and help when you saw us. was ringing B. Using when, while and as When, while and as can be used as conjunctions of time. They all mean “during the time that”. I was sleeping when the earthquake started. People were running in all directions 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. Note: When a shorter action happened at the same time as a longer action, we use the past continuous tense for the longer action and the simple past tense for the shorter action. When there are two long actions, we often use while. If the shorter action is in the main clause, we can use when, while or as to join them. When/While/As Millie was watching TV, Andy came into the room. If the longer action is in the main clause, we often use when to join them. Millie was watching TV when Andy came into the room. TIP We use a comma to separate the two clauses if when, while or as comes at the beginning of the sentence. When the earthquake started, most people were sleeping. Playing in the snow Some Class 1, Grade 8 students went to play in the plete the sentences with the correct forms of the verbs in brackets. Use when, while or as to connect the sentences. 1 _____ Simon _____ (arrive), Amy _____ (get) some snow from the ground. When arrived was getting 2 _____ Suzy and Kitty _____ (build) a snowman, Millie _____ (take) photos. 3 Daniel _____ (fall) over _____ he _____ (make) a big snowball. 4 Peter _____ (hide) behind a tree _____ a snowball _____ (hit) him. 5 _____ Millie and her classmates _____ (play) in the snow, Andy _____ (run) towards them. While were buil ... ...
