陕西汉中市陕飞二中九年级英语上册《unit2_biggestlongestwidest》lesson 9课件（冀教版）

Do you know of any world records ? What are they? Do you think you could break a world record one day? What record would it be? What world records do Brian and Danny want to break? Brian thought his class could _ a world record by playing _ for a week without _. Some of them would _, while some _ and eat. Danny was going to drink lots of _, eat more fruits and _. He wanted to be the _ dinosaur in the world. break soccer stopping play sleep milk vegetables tallest 1. hold a world record 保持世界记录 break a world record 打破世界记录 set a world record 创造世界记录 * have a break 休息一下 Time for break. 休息时间到了。 2 .get tired 疲劳 get tired of 厌倦 Youll get tired if you dont have a rest. I get tired of doing so much homework. get relaxed 放松 get dressed 穿衣服 get lost 迷路 3.We could take turns. take turns 意思是 “轮流（做某事）”后面可以 跟at/in +doing 或to do I will take turns with you at looking/to look after the injured dog. 我们可以轮流. 我要和你轮流照顾受伤的小狗 . take turns to do 轮流做。 = doby turns Its ones turn to do轮到某人做某事 We _ be on duty. =We are on duty _. Its my turn _ the classroom. take turns to by turns to clean We drove the car by turns. 我们轮流开车。 We clean the blackboard by turns . We watch the patient by turns. The students answer the teachers questions by turns. 动词+by turns 4. Some of us would play while some of us sleep and eat. 我们中一些人睡觉吃饭时，另一些可以踢球 (1) would( should), might, could+动词 原形是虚 拟语气结构，常用来表示婉转或礼貌例如： Perhaps you could do better this way. 这样做或许会好些 (2) while 是连词，意思是“当的时候”，引导 时间状语从句；当表示过去的情况时，时态常为 以下三种情况： a. 主句和从句谓语都用一般过去时 eg. She listened carefully while he read. 当他读的时候，她认真地倾听 b. 从句的谓语用过去进行时，主句谓语用一般 过去时 e.g. While the water was heating, Mr. Smith swept the floor. 在水加热的时候，史密斯先生开始扫地 c. 主句和从句谓语都用过去进行时 e.g. While I was having dinner, he was watching TV. 我吃饭时，他在看电视 while还可以作并列连词，意思是 “然而；而” e.g. My father likes sports while my mother likes music. 我父亲喜欢运动而我母亲则喜欢 音乐。 5. Some day I might be the worlds tallest dinosaur! 总有一天，我可能是世界上最高的恐龙。 (1)some day，名词短语，表示“(将来)有一天”。 e.g. Well travel to the moon some day 总有一天，我们会到月球上去旅行 one day也有“总有一天”的意思, 表示将来;它也 可以表示“ （过去）某一天” e.g. One day, I want to leave the city and move to the country. 总有一天，我会离开离开城市，搬到农村去 One day, he left and never came back. 一天, 他离开再也没有回来 6. I dont know whether it will make you tall. exam.此句中 whether是从属连词，意为“是否” ，引导宾语从句。 He asked whether they needed some more bananas. 他问他们要不要再来些香蕉。 I dont know whether they will come or not. Please tell us whether you have passed the exam. 辨析 if, whether 都可以用作连词，意为“是否”用来引导宾语从 句。但在有些情况下只能用 “whether”而不能 用“if”. 1 具有选择意义，有or 或 or not 时。 I wonder whether it is big enough or not. 2 在介词之后作介词宾语时。 I worry about whether I hurt his feelings. 3 在不定式前，与不定式构成词组时。 She hasnt decided whether to go or not. 4 引导主语从句或表语从句时。 Whether it is true or not remains a question. 5 作discuss 等词的宾语时。 We discussed whether we should close the shop. if 既可引导宾语从句，也可引导条件状语从 句，而 whether不能引导条件状语从句 if “是否，假如” I dont know if it _ tomorrow. （“是否”，宾语从句） I wont fly to Beijing if it _ tomorrow. （“假如”， 条件状语从句） will rain rains Lets Sum Up ! take turns break a world record hold a world record some day /one day Some of us would play, while some of us sleep and rest. Grammar The Object Claus (宾语从句） 知识点：If /whether引导的宾语从句的用法 eg : I dont know if/whether it will make you tall. He asked if/whether they needed some more bananas. 1 Do you know one of the world _? 2 How can we do so much work in three days? Dont worry, We can take _. 3 Danny is the worlds _dinosaur. records turns funniest Exercises One : fill in the blanks with the key words from this lesson. 4 Can you run two hundred metres in 19 _ ? 5 Their class could play basketball without _. seconds stopping 1 My sister and I take turns at _the house. A clean B to clean C cleaning D All the above 2 I was doing my homework _ he came in. A while B when C at D on 3 _he knows where Mary will go. A May be B May C Perhaps D Must C B C Exercises Two : Choose the best answer. 4 He doesnt