(
课件网) Unit 8 It must belong to Carla. Section B 1a~1d express at the same time circle Britain mystery receive Historian leader midsummer medical purpose prevent v. 表示；表达 同时；一起 n. 圆圈v. 圈出 (=Great Britain)大不列颠 n. 奥秘；神秘事物 v. 接待；接受；收到 n. 历史学家；史学工作者 n. 领导；领袖 n.仲夏；中夏 adj. 医疗的；医学的 n. 目的；目标 v. 阻止；阻挠 New words laboratory n. 实验室 outdoors adv. 在户外； 在野外 coat n. 外套；外衣 Can you say these sleepy adj. 困倦的； 瞌睡的 She could/might be a/an_____. nurse Who’s he/she He could/might be a/an_____. doctor 1.这是谁的排球？ is this 这一定是卡拉的。她热爱排球运动。 It be . She loves volleyball . 2.这是谁的发带？ is this 它可能是梅的发带。或者可能属于琳达。他们两人都是长发。 It be Mei's hair band . Or it belong to Linda. They have long hair . 3.那晚你看到了什么？ did you see that night 我不确定，但肯定不可能是狗。它更大，我想也许是一头熊或一匹狼。 I'm , but it a dog . It was bigger, I think it a bear or a wolf . Whose volleyball must Carla’s Whose hair band could might both What not sure can’t be might be It must be very expensive. The people who do it must be very fit. That might be fun. It may be too challenging for us. It could be dangerous. It can't be that dangerous to go onsafari. So many people do it. Look at these sentences. 情态动词 表推测 Lead-in 情态动词must，can，could，may和might均可表示推测，可以对过去、现在或将来的情况作出语气强弱不同的推测。 语法重点: 情态动词表推测 表示可能、怀疑、允诺、愿望、义务、必要、猜测等的动词就是情态动词。情态动词可以表示说话人的语气或某种情态，也可以表示推测。 英语中表示推测的情态动词主要有 must, can, could, may, might, can’t等。 must ＞ can ＞ could ＞ may ＞ might ＞can’t Match the main idea with each paragraph. Para. 1 Para. 3 Something unusual is happening in our town. The writer's opinion about the strange noises. People's ideas about the strange noises. Para. 2 Task 1 Task 2 1. What is the strange thing in the small town _____ There are some strange noises outside window. Read the article and answer. 2. Who is worried about this thing Why _____ Everyone in the town. Because no one knows what it is. 3. What did Victor’s parents do about the strange thing _____ They called the policemen. 句式 情态动词 含义 用法 肯定句 must 一定 表示有把握的肯定推测。 may/ might/ could 也许; 可能 表示没有把握的肯定推测。 否定句 can’t/ couldn’t 不可能 表示有把握的否定推测。 may not/ might not 可能不 表示不太有把握的肯定推测。 疑问句 can/ could 可能 表示推测。 情态动词表示推测的意义和用法 情态动词表示推测可以分为以下几种情况: ★情态动词+ do 此结构表示对现在或将来情况的推测和判断 —Do you know where she is now —I think she _____ _____in Beijing. 我认为她可能在北京旅游。 ★情态动词+ be doing 此结构表示对现在或将来正在进行的情况的推测和判断。 At this moment, my father can’t be working in the office. He _____ _____ _____ housework at home.他一定在家做家务劳动。 ★情态动词+ have done 此结构表示对过 ... ...
