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1、初一英语Module 1 Unit 3 Sea water and rain water沈阳牛津版【本讲教育信息】一、教学内容：Module 1 The natural elements Unit 3 Sea water and rain water(一) 掌握词汇、短语(二) 重要句型(三) 介词under, for, by的用法(四) 连词if的用法(五) 情态动词can的用法二、知识总结与归纳(一) 掌握词汇、短语1. quarter2. competition3. ocean4. earth5. wonderful6. whale7. dangerous8. stream9. almo
2、st10. cover11. plant12. oil13. salt14. nothing15. without16. borrow17. dish18. shower19. fix20. save21. waste22. take a shower23. brush ones teeth24. be important to25. save water26. one of27. rather than28. as well29. three quarters of30. turn off31. usefor(二) 重要句型1. If there is no rain, there will
3、 be no water to drink.2. What do we use water for?3. We use water for showering.4. How can we save water?5. We can save water by fixing dripping taps.6. Sharks are one of the most intelligent animals.(三) 介词under, for, by的用法under的用法:在下面Edna sat very still under the trees.He had a picture book under h
4、is arm.在(管辖, 照顾等)之下Nearly fifty workers are working under the manager.We learned a great deal under his teaching.不到, 少于All the children here are under seven.Under 100 people are present for the show. 在的过程中, 正在经受I cant use my office at present; it is under repair.The subject is under discussion.根据(协议
5、, 法律等)The soldiers acted under orders.词组和固定搭配: underconditions在情况下; under the care of在的照顾下; under the influence受到影响for的用法:为了He would do anything for her.The money is for buying food for the party.因为, 由于France is famous for its wines.I am so sorry for what I said to you the other day.对于You are too ol
6、d for the kind of work you are doing.供用的, 给的There is no more room for such a bag at the back of the car.Here is your letter for you.就来说, 作为来说The weather was very cold for the time of the year.表示买卖或交换关系Nobody is willing to work for nothing.I sold the house for 100 dollars.作为(意思接近as)Most of the rooms
7、of this building are used for offices.I had meat for supper.前往(某目的地)I will leave for Shanghai tomorrow.表示时间长度或距离For miles and mile you see nothing but trees.赞成, 主张, 支持Most people in the town are for the plan of the government.词组或固定搭配: for certain / sure肯定地, 确切地, 有把握地; for fear of唯恐, 担心; for oneself为
8、自己, 替自己; for sale供出售; for short简称; for the purpose of为的目的; for the moment一时间, 暂时; for the present就现在来说, 暂时; for the time being暂时; takefor认为是; 把当作by的用法在旁边, 从旁边(经过)I put the vase back on the table by the window.通过, 经由, 取道He rose quickly and went out by another door.在(某时)前, 到时为止By next Friday I will ha
9、ve finished the work.I will be back by three.表示动作的执行者Have you read that novel by Shirley?表示手段或方式, 可译为 “通过, 用, 以, 按照”It is nine oclock by my watch.表示工具I came here by bus.She called him up by telephone to thank him.和seize, take, hold等动词连用, 说明接触身体的哪一部分He took the child by the hand.(指数量)按计算These workers
10、 are paid by the week.I rent the house by the year.表示数量增减或差别的程度He is older by five years than John.表示尺寸, 距离等, 相当于 “乘以”I want a piece of paper 3 inches by 5 inches.This room is forty feet by twenty.词组和固定搭配:by accident偶然地; by chance偶然地, 碰巧; by means of借助于, 靠; by mistake出于误会, 弄错了; by oneself单独地, 独立地; b
11、y the way顺便说; by turns轮流; learn by heart记熟; one by one一个接一个地; little by little一点点地; side by side并肩地, 并排地(四) 连词if的用法1. (表示条件)如果，主句用将来时，if从句用现在时表示将来He will come if you invite him.如果你请他,他会来的。2. (表示虚拟)假如,要是1）时态：可以表示过去，现在和将来的情况。它的基本特点是时态退后。句型：条件从句 主句一般过去时 should( would) +动词原形If they were here, they would
12、 help you.2）表示与过去事实相反的假设。句型：条件从句 主句过去完成时 should(would) have+ 过去分词If she had worked harder, she would have succeeded.If he had come yesterday, I should / would have told him about it.3）表示对将来的假想句型： 条件从句 主句一般过去时 should+ 动词原形were+ 不定式 would + 动词原形should+ 动词原形If you succeeded, everything would be all rig
13、ht.If you should succeed, everything would be all right.If you were to succeed, everything would be all right.3. 是否 = whether 连接宾语从句I wonder if she is ill.不知她是否病了。(五) 情态动词can的用法can表示说话人的主观看法或语气它没有人称和数的变化,也不能单独在句子中作谓语,但它可以与其后的不带 to 的动词不定式一起构成动词性复合谓语其基本用法如下:1. 表示能力,常被译成“能”“会”例如: Her sister can speak E
14、nglish. 她姐姐会讲英语I can sing English songs. 我会唱英语歌曲2. 表示请求或许可,即常被用来请求对方的许可,或表示说话人自己的许可例如: Can I help you? 我能帮你忙吗? Can you go to the picnic with us tomorrow? 明天你能和我们一起去野餐吗?You can sit here. 你可以坐在这儿3. can 的否定式和疑问式 can 的否定形式是 cannot 或 can not,其缩略形式是 cant例如: Lucy cant find her story-book. 露茜找不到她的故事书了Han Me
15、i cant come to play with us because she is going to the movies. 韩梅不能来和我们玩了,因为她要去看电影 将含 can 的陈述句变为疑问句时,应直接将 can 移到主语前面肯定答语为“Yes, 主语 + can.”,否定答语为“No, 主语+ cant.”例如:Can you see the words on the blackboard? 你能看见黑板上的词吗?Yes, I can. 是的,我能看见/No, I cant. 不,我看不见注意:有时说话人为缓和语气可以用其他一些词语作否定回答例如:Can you go swimming with me tomor
