(
课件网) Unit 8 Life in the future (Grammar-The past continuous tense) 年 级：八年级 学 科：英语（沪教版） By the end of the class, you are expected to: Transferring & Creating find out who the thief is by asking questions and write down a report with past continuous tense 3 use past continuous tense to describe what people were doing in the laboratory. Applying & Practicing 2 Learning & Understanding 1 understand the usages and form of the past continuous tense. Name: Wally Boys and girls, welcome to visit the high-tech science laboratory in 2050. Let's watch a video and learn what people were doing in the laboratory yesterday. Activity 1 Warm-up What was the biologist doing at 6 am yesterday The biologist _____ _____ new plants at 6 am yesterday in the laboratory. The biologist ____ ____ _____ new plants at 5 am yesterday in the laboratory. was studying was not studying Activity 2 Fill in the blanks What were the scientists doing while the research assistants was analyzing data The scientists _____ _____ _____ while the research assistants were analyzing data. were programming robots What was the engineer doing yesterday afternoon The engineer _____ _____ drones for new usage yesterday afternoon. was testing S The biologist was studying new plants at 6 am yesterday in the laboratory. The biologist was not studying new plants at 5 am yesterday in the laboratory. The scientists were programming robots while the research assistants were analyzing data. The engineer was testing drones for new usage in yesterday afternoon. How to form it was / were not V.-ing Activity 3 Work out the rules I The biologist was studying new plants at 6 am yesterday in the laboratory. When to use it actions that were happening in a particular(特定的) time in the past More examples： At this time yesterday, the scientist was sleeping in his bedroom. I was having dinner with my cousin at 7 p.m. last Sunday. From 8 o’clock to 10 o’clock this morning, the scientist and his assistants were doing experiment together. The scientists were programming robots while the research assistants were analyzing data. When to use it two actions that were happening at the same time in the past. More examples： While the drones were collecting data samples, the engineer were analyzing the results. The assistants were calculating the new equipment while the research team was discussing the next phase of the project. A piece of portable DNA equipment is missing this morning. Could you please help to find out who stole it There were four people in the laboratory before the equipment was lost. They are a biologist, a scientist, a research assistant, and an engineer. To find out the thief, you need to ask the four people questions. What questions will you ask 1.如果你想知道科学家昨晚七点时是否在做实验，你问他的助手： _____ 肯定回答： _____ 2. 如果你想知道生物学家昨晚八点时是否在给植物浇水，你问他：_____ 否定回答： _____ Was the scientist ... ...
