Unit 7 Know Our World Lesson 37 Lets Learn Geography! 课件2.ppt

1、Unit 7 Know Our World,Lesson 37: Lets Learn Geography!,What is geography?,Think about it!,Reading,Brian wants to visit Japan someday. ( ) 2. Jenny has never been to any Asian countries. ( ) 3. Brians father has travelled to several different continents. ( ) 4. Dannys mother has a friend in Antarctic

2、a. ( ),Read the lesson and write true (T) or false (F).,F,F,T,F,Language Points,1.population 人口，为集合名词，常被看作 一个整体，无复数形式。谓语动词用单数。 注：表示某国某城市有多少人口句型： sp.+has a population of+数词 或者 the population of+ sp. is +数词 修饰人口多少：large、small 提问人口多少： How large/what is the population of sp.,population 练习 1.The populati

3、on of the world _ getting larger and larger. 2.China is a country with a _ population. (多) 3.Japan is a country with a _ population. (少) 4.Our city has a population _ two million. Whats the population _ Beijing?,is,large,small,of,of,2. have / has been to 到过某地，已回 have / has been in + sp. 一段时间待在某地 hav

4、e / has gone to 去了某地去，未回,eg1:他去过巴黎三次。 He has been to Paris three times. eg2:他去看他叔叔了。 He has gone to see his uncle. eg3: 我已经在伦敦待了两年了。 Ive been in London for two years.,Grammar,1) Recently, we have learned about the population of the world. 2) Have you ever been abroad, Danny? 3) Jenny and I have been

5、 to China twice. 4) Have you been to any other countries in Asia?,5) Have you visited any other countries? 6) He has been to every continent except Antarctica. 7) She has gone to visit her friend.,肯定句：主语 + have / has + 过去分词 + 其他 否定句：主语 + havent / hasnt + 过去分 词 + 其他 一般 Have / Has + 主语 + 过去分词 + 疑问句：？

6、肯定答语：Yes, 主格代词 + have / has. 否定答语：No, 主格代词 + havent / hasnt.,现在完成时构成,1. 表示动作到现在为止已经完成或刚刚完成。 I have finished my work. We have set up many new factories. 2. 动作发生在过去，强调对现在的结果、 影响等。 Have you ever seen the film “Harry Potter”? Ive spent 3 years in the countryside.,现在完成时-用法,3. 表示动作发生在过去，并且一直持续到现在，甚至还可能继续下

7、去，句中使用持续性动词，且常有表示一段时间的时间状语。,We havent seen each other for ten years. Ive been an English teacher for about 20 years.,4. 现在完成时可以用在条件或时间状语从句中，表示将来某个时刻之前已经完成的动作。,Ill go home as soon as I have finished my homework. Please lend me that book if you have finished reading it.,1) 现在完成时 + since + 点时间状语(名词、短语、

8、从句，其中从句用一般过去时) 2) 现在完成时 + for + 段时间状语 3) It / This is the first / 其他序数词 / last time + that 从句中，从句使用现在完成时。,1) Mary has been ill since three days ago. 2) Mary has been ill for three days. 3) It is the first time that I have visited the city.This is the best film that Ive (ever) seen.,现在完成时-句型,1. alrea

9、dy 已经，常用于肯定句中。 I have already seen the film. 我已经看过这部电影了。 2. yet 1) 已经，常用在疑问句中。 Has Linda read the book yet? 琳达已看过这本书了吗? 2) 还，仍然，常用于否定句和疑问句。 He has not begun to work yet. 他还未开始工作。,现在完成时-与already, yet, just, ever, never 连用,3. just 刚刚，常用于肯定句中 I havejust finished lunch. 我刚吃过午饭。 4. never 从来没有，表示否定 He has

10、 never seen such a tall building. 他从未见过这么高的楼。 5. ever 曾经，主要用于疑问句 Have you ever wanted to travel around the world? 你曾经想要周游世界吗？,Practice,1. I _ already _ (see) the film. I _ (see) it last week. 2. _ he _ (finish) his work today? Not yet. 3. My father _ just _ (come) back from work. He is tired now. 4. Wheres Li Ming? He _ (go) to the teachers office.,根据提示完成下列句子。,have seen,saw,Has finished,has come,has gone,Homework,Review Lesson 37. 2. Write a short passage about th