8A_Unit_8_Natural_disasters_Grammar.ppt

语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语言规则和语法规律。 I was sleeping when it started to rain. 2. I was sleeping when the earthquake started. Look at the following sentences carefully. Pay attention to the colored parts. 3. Outside, people were running in all directions while pieces of glass and bricks were falling down. 4. I felt nervous and my heart was beating fast. 5. Hours later, as I was trying to find way out, I suddenly heard some noise above me. to test your sense of observation to test your ability of short-term memory to test your ability to highlight the language points Guess 1. I ___________ when it started to rain. 2. I ___________ when the earthquake started. 3. Outside, people ____________ in all directions while pieces of glass and bricks ______________ down. 4. I felt nervous and my heart _______ ________ fast. 5. Hours later, as I ____________ to find way out, I suddenly heard some noise above me. was sleeping was sleeping were running were falling was beating was trying What were you doing at 7 o’clock last night? I was doing some housework. I was having dinner. Exercise What were you doing between 7 o’clock and 9 o’clock yesterday? I was doing my homework. I was watching TV. What was your father doing when you came back home yesterday? He was cooking. What was your brother doing when you saw him half an hour ago? He was playing computer games. What were they doing at that time last week? They were shopping. How about them? They were having a picnic. 以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据 之前练习的考察情 况进一步选择讲解 该语法项的重难点。 过去进行时主要表示： ? 在过去某一时刻正在进行的动作 They were eating breakfast at 7:00 am yesterday. (b) I was writing a letter at this time yesterday. (c) Five minutes ago, Danny was looking out of the window and Suzy was reading a book. Past continuous tense ? 在过去某段时间一直在进行的动作 (a) From 1983 to 1998, he was teaching at Yale. (b) They were buil