新概念二册第26课.pptVIP

★upside down ① 上下颠倒 当他倒立时，一切似乎颠倒了。 When he stands on his head, everything appears upside down to him. ② 乱七八糟，混乱不堪 我的小儿子总是弄的房间乱七八糟。 My little boy always makes the room upside down. 1.Whose bike is it? Do you know 特殊疑问句作宾语从句： 1、用疑问词引导 2、从句用陈述句语序。 3、宾语从句时态受主句限制 whose bike it is? 2.How can I get to the post office? Could you tell me how I can get to the post office? 3.Where does he live? She wants to know She asked where he lives. where he lived. 【Key structures】 一般现在时 1 表示现在发生的动作、情况、状态和特征。　 I am an art student and I paint a lot of pictures.（目前状态） My mother is a doctor. 2 习惯性 、经常性动作。 他总是帮助别人 He always helps others. 3 客观事实和普遍真理。 The earth is smaller than the sun. Three minus one is two.三减一等于二。 He said that the sun rises in the east.　　 客观事实和真理无论谓语的时态 是什么都用一般现在时。 4 表示一种自然现象。(也可以叫客观真理) Days are long in summer. 在夏天，白天很长。 Winter comes after spring. 秋去，冬来。 5 在以here，there开头的句子中，用一般现在时表示正在发生的动作。 Look! Here comes the bus. =The bus is coming here. 瞧！公共汽车来了。 6 部分动词如be, begin, leave, come, go等的一般现在时可以表示按规定、计划或安排预计将要发生的动作或 状态。 Tomorrow is Saturday. The train leaves for Beijing at seven. 7 习惯用语 Believe it or not, that is true. 口语中常说 believe it or not，”信不信由你”，“我说的是真的”。 相当一个插入语，短语中的believe 没有词形变化。 有些表示状态和感觉的动词通常用一般现在时。这些动词一般不用于进行时: appear，appreciate，be, believe，notice， feel，find，forget，resemble，hear，know， like，look like，remember，see，think， understand等： Hes listening to that music! He must like it! I cant understand this picture. 　 频率副词是表示动作发生的频率,多与一般现在时连用。 ★100﹪always “总是;一直;始终”。 He always comes late. ★90﹪usually “通常,经常”。 I usually go to bed at10:00. ★70﹪often, frequently 表示“常常,经常”。 They often clean the classroom after school. ★40﹪sometimes “有时,不时”。 We sometimes go skiing in winter. ★5﹪hardly ,ever,rarely,seldom “几乎从不;很少;难得”。 He hardly goes to bed before nine o’clock. never（从不） once(一次), twice(两次) ， from time to t