资源简介

教 学 内 容 9A Unit 5 Grammar
教 学 目 标 1. 了解并掌握原因状语从句 2. 掌握并能熟练使用引导原因状语从句的连词。 3.重点词汇、短语
重 点 1. 掌握并能熟练使用引导原因状语从句的连词。 2.重点词汇、短语
难 点 如何掌握并能熟练使用引导原因状语从句的连词
教 学 准 备 知识点、巩固练习、课堂练习、课后作业
教学过程
Step 1 原因状语从句 原因状语从句就是在复合句中表示主句动作发生原因的句子。 一 because引导的原因状语从句 e.g. I didn’t go because I was afraid. 1）because引导的原因状语从句表示直接原因，语气最强，常用于回答why提出的问题。 --Why didn’t you go there ---Because I didn’t want to. Water is very important because we can't live without it. 2）汉语习惯上说“因为......所有......”，但英语却不能将so与because连用。 因为下雨，所以我们待在家里。 Because it was raining, so we stayed at home. (X) 3) because of 也表示因为，后+名词/动名词。 e.g. He was late for school because of the heavy rain yesterday. 【测一测】He didn’t go to school yesterday he was ill. A because B because of C if D so 二since和as引导原因状语从句- 1）since 引导的原因状语从句一般防于主句之前表示已知的，显然的理由（通常被翻译成“既然”），较为正式，语气比because弱。 e.g. Since you are free today, you had better help me with my mathematics. 既然今天你有空，你最好帮我学习数学。 2）as 引导原因状语从句时表示附带说明的“双方已知的原因”，语气比since还弱，不如正式，位置较为灵活（常放于主句之前）。 e.g. As it is raining, you’d better take a taxi. 【测一测】Could you help me with housework you are free today A since B though C unless D until as 鉴于主从并重，从句说原因，主句说结果。 1. As it is late， I must go 2. As you were not there, I left a message. as和since的用法大体相同，表示附带说明的“双方已知的原因”或者理由不是很重要，但语气更弱，没有since正式，常译为“由于，鉴于”。 As it is raining, you’d better take a taxi. 既然在下雨，你最好乘出租汽车。 As you are tired, you had better have a rest. 既然累了，你最好休息一下。 【注意】for 由于，表明附加理由（解释或推断），从句不放于句首,语气最弱。 He must be ill, for he is absent today。 It must have rained last night, for the ground is wet. Step 2 Language points 1 Why do people think highly of Tan’s music (P. 70) think highly of意为“高度赞扬、对……评价很高”。反义词组：think little of speak highly of 高度赞扬，评价 e.g. The teacher thinks highly of his students. We thought highly of his speech last week. 词条区别例句highhigh作副词，通常表示具体的高，且主要修饰动词。此外，它还可作形容词。He climbed very high. 他爬的很高。highlyhighly主要表示很高的程度（意为高度地），除修饰动词think,speak,praise等）外，还通常修饰分词或形容词，相当于very muchIt is highly likely that he will succeed. 很有可能他会成功。
2 The art festival is open to all students and parents. (P. 71) be open to表示“对……开放”。例如： The park is open to the public for a year. Can you tell me when the museum will be open to us 3 Since/as Millie also planned to take the underground, we went to the theatre together. plan to do sth.意为“打算做某事”，plan也可以作可数名词，意为“计划、方案”。make a plan plan 现在分词 过去式 过去分词 例如： I plan to go to Paris. Have you made plans for the holidays 4 “We’d better be quick since/as the opera will begin in 20 minutes,” Kitty suggested. 1）had better do sth. 表示“最好做某事”，表示劝告、建议或者愿望，否定形式是在had better后面加上not。例如： You’d better have a rest. You’d better not miss the last bus. 2）in 20 minutes意为“20分钟以后”，“in+一段时间”常用于一般将来时。例如： My father will come back in half an hour. The mountains will be covered with green trees in a few years’ time. 5 last v. 持续 e.g. How long did the meeting last yesterday 1) v. 常用作vi, 不接宾语，不用于被动语态中，通常与介词for引起的时间状语连用，延续时间for可以省略。 明天的晚会将持续三个小时。 【拓展】last—lasting, 可用作形容词，在句中作定语，表持久的 I hope you will strike up a lasting friendship. 我希望你们会建立起长久的友谊。 【测一测】—What a day! It is raining again. We can’t go hiking tomorrow. —Don’t worry. It won’t long. A drop B move C go D last 2) adj. 最后的 last night/week/summer adv. 最后，最终 He who laughs last laughs longest. 笑到最后才笑的最好。 n. 最后来的人或发生的事 They were the last to arrive. 他们是最后到的人 6 We did not get bored at all because it was really wonderful. (P. 72) bored表示“无聊的、厌烦的”常与人连用，boring则表示事物令人厌烦的。 例如： He got bored with playing chess. Don’t you think that work is boring. 随堂练习 一 用because, since 和as填空。 1.I don't like singing I can't sing well. 2. everybody is here, let's begin our meeting. 3. you are in poor health, you should not stay up late. 4.I asked her to stay nearby, I had something to tell her. 5. all the passengers are here, why don’t we start at once 6.Bill won't make any progress he doesn't study harder than before. 二 单项选择 7.We can talk with friends on the Internet it’s easier and cheaper. A. though B.as C or D.but 8.The rain is very heavy we have to stay at home. A. but B. because C.so 9.I am really proud of my group we're always discussing and sharing study secrets together. How important the group work is! A. because B. though C. unless 10.A snake bit him he went to see a doctor at once. A. if B. where C. because D.so 11.Wang Dong didn't go to school yesterday he was ill. A.so B .if C. because 12.Jenny, I can't go hiking with you I have to help my mum with the housework. A.so B. but C .because D. unless 13.-His friend wants to go swimming it's very hot. -It's OK. But allow him to do that alone! A. so; not B. so; don't C. because; not D. because; don't 14.Mr. Smith is popular with the students he always makes his class interesting. A.until B.while C.because D.although 15.Zootopia《疯狂动物城》, the cartoon, is popular there are many lovely animals in it. A. though B. because C. if D. because of 16.-I like rain it makes me feel cool and relaxed. -So do I. A. or B. So C. but D. because 17. she couldn't see his face, she could tell by his voice that he was young A. Unless B. If C. Because D. Though 18. I didn't accept his help I wanted to try it myself. A. because B. though C. until D. unless 19. Could you help me with housework you are free today A. since B. though C. unless D. until 20. Just because they make more money than I do, they seem to look down on me. A. So B. and C./ D.but 21. I saw the violin when I went past. A. he play B. him play C. he playing D. him playing 22 .-Where do you plan your holiday -My mother suggested to Hainan for our holiday. A.to spend; to go B.to spend; going C. spending; to go D. spending; going 三 改写句子,保持句意不变。 17.The ship changed its course because there was a storm. The ship changed its course . 18.Because he was ill, he didn't go to school. He was ill, he didn't go to school. 19.He couldn't walk because his leg was broken. He couldn't walk his leg. 20.I came back because it was raining heavily. I came back the rain. -1.because 2.Since 3.As 4.because 5.Since 6.because 二7.B 点拨:本题采用分析句子结构法。as用作连词表示原因。 句意:我们可以在网上与朋友们聊天,因为它更容易且更便宜。8.C 点拨:本题采用分析句子结构法。 so表结果;but 表示转折;because 引导的状语从句表示造成结果的原因。 9.A 点拨:本题采用分析句子结构法。 空格后为空格前部分的原因,故用 because 表示原因。 10.D 点拨:本题采用词语应用法。 f“如果”;where“在哪里”;because“因为”;so“所以”,由句意可知应选SO。 11.C 点拨:本题采用分析句子结构法。 前半句是“王东昨天没有去上学”,后半句是“他生病了”,显然后者是前者的原因,因此用becauseo 12.C 点拨:考查连词词义辨析。 句意:珍妮,我不能和你一起去徒步旅行了,因为我得帮妈妈做家务。A项:所以;B项:但是;C项:因为;D项:除非。“帮妈妈做家务”是导致不能和珍妮一起去徒步旅行的原因,因此要用表示原因的连词 because。 故选C。 13.D 点拨:考查连词辨析和否定句。句意为:一一他的朋友想去游泳因为天气非常热。 一一好吧。 但是不允许他自己去游泳!so因此;because 因为,根据句意可知第一个空填because. allow是实义动词,构成否定句要借助于助动词do。 故选D。 14.C 点拨:考查连词的用法。 句意为:史密斯先生受学生欢迎,因为他总是让他的课有趣。until 直到;while 当.....·的时候;because因为;although尽管。根据句意可知前后是因果关系。故选C. 15.B 16.D 17-20 DAAC 21-22DB 三.17.because of a storm 18.so 19.because of;broken 20.because of;heavy

展开更多......

收起↑