初二上册词性转化

1、顶尖教育学科教师辅导讲义 学员编号： 年 级： 初二 课 时 数： 3 学员姓名： 辅导科目： 英语 学科教师：俞柳飞授课类型TC 八年级上册词性转化T 授课日期及时段2015年月日 教学内容C八年级上册词性转化谜语1. Which letter is a question?2. Which letter is a part of your face?3. I fly, but I have no wings. I cry, but I have no eyes.Keys：y,i,cloud初中英语词汇之词性变化 你知道什么是词缀学习法吗？你知道初中阶段常用的词缀有哪些吗？词缀学习对我们记单词

2、有什么帮助呢？ 一. 认识词缀词缀法,也称附加法或缀合法 词缀法是通过在已有的词或词根后加上词缀的方式构成新词的方法。一般来说，词缀学习法的前提，是要掌握一些常用词缀的构词法。英语词缀分为前缀和后缀。前缀一般不改变词性，只改变词义；后缀一般改变词性。常用前缀 否定词前缀im-：一般放在字母m,b,p之前 possible(可能的）- impossible（不可能的）Dis : like(喜欢）-dislike(不喜欢），appear(出现）-disappear(消失）un-：real（真实的）-unreal(不真实的），employment(雇佣）-unemployment（失业）in-: c

3、orrect(正确的）-incorrect（不正确的），accurate(准确的）-inaccurate（不准确的）其他前缀mis-(错误的，坏的) mistake犯错 misfortune不幸，灾祸 misunderstand误解tele-(远程) telescope望远镜 telegraph电报re-(重复) retell复述 remarry再婚 【活学活用】添加单词前缀1. Rose said that it was _fair if Dad gave me a dictionary but gave her only a diary.2. The mother _dressed the

4、 baby, then put him in a basin of warm water.3. Though he didnt win any medals in the last sports meet, he was not _couraged.4. Its _possible for anyone to finish the work within such a short time.5. Please dont _understand what I have said.6. This cloth would be _visible to anyone who was _fit for

5、the office he heldKeys：un,un,dis,im,mis,in,un常用后缀 后缀的类型比较多哦，想想我们常见的有哪些呢？1. 名词后缀-er/-or director导演，farmer农夫，driver司机，visitor参观者-ese/-an(n) Japanese日本人，American美国人，Indian印度人-ian musician音乐家，physician内科医生-ist artist艺术家，pianist钢琴家，dentist牙医-ment development发展，argument争论，government政府-ness happiness幸福，col

6、dness寒冷，illness疾病，kindness和蔼-tion action动作，pollution污染，suggestion建议-ship friendship友谊，leadership领导 (1) predict prediction 【经典例句】 Reagans prediction was right on the money. 在金钱上，里根的语言是对的。 【知识拓展】make a prediction about做一个关于的测试 【活学活用】英译汉  I predict it will run and run. _Keys：我估计这会一直延续下去。

7、 (2)pronouncepronunciation 【经典例句】 Damings pronunciation is the best in our class.大明的发音是我们班最好的。 【经典例句】英译汉 Then he thought the problem must be his pronunciation._Keys：然后他觉得问题一定出在发音上。 (3)inviteinvitation 【经典例句】 Eliza invited Lily to her party. Lily accepted Elizas invitation. 伊丽莎白邀请丽丽参加晚会，丽丽接受了她的邀请。 【活

8、学活用】英译汉 I appreciate your invitation very much.  _Keys:我很感谢你的邀请。 (4)operateoperation【经典例句】 The doctor will operate on her leg tomorrow.明天医生将给她的腿做手术。 【活学活用】英译汉 That would be a normal commercial operation. _Keys:那将是一种正常的商业操作。 (5)decidede

9、cision 【考点聚焦】 1).decide to do sth 决定干某事 2).decide not to do sth 决定不干某事 3).make a decision to do sth 决定做某事 【经典例句】 He decided to go hiking with his friends.他决定跟他朋友去远足。 He made a decision to lose weight. 他决定减肥。 【活学活用】汉译英 It was a brave decision. _Keys：这是个勇敢的决定。 (6) argueargument 【经典例句】 I was in an argu

10、ment with my parents.我跟我的父母发生了争执。 【活学活用】英译汉 Where 's this argument start to break down? _Keys：这种争论将在何处平息？ (7)buildbuilding 【经典例句】 Its an old building in Paris.这个巴黎古老的建筑。 【活学活用】英译汉 People thought our building in Tokyo might go down. _Keys：人们当时认为我们的东京大楼

11、可能会倒塌。 (8)meanmeaning【经典例句】What do you mean? 你什么意思？【活学活用】英译汉 Stop trading money for meaning._Keys：不要用金钱买意义 (9)sitseat【经典例句】Have a seat.=sit down 坐下【活学活用】英译汉A new girl has taken over your seat. _Keys：一个新来的女孩儿坐在了你的位子上。 (10) 以-er 结尾 动词+er=名词 一般表示人 workworker, cleancle

12、aner, drawdrawer, fightfighter, singsinger, playplayer, thinkthinker, farmfarmer, drivedriver, writewriter, dancedancer, runrunner, winwinner, beginbeginner 1)reportreporter【经典例句】The reporters reported a news for citizens.记者为市民报道新闻。【活学活用】英译汉 She told Connie she was a reporter. _Keys:她告诉康妮她曾是个记者。 2)

13、writewriter【经典例句】 Bingxin is a famous writer. 冰心是一位著名的作家。【活学活用】汉译英他是一个作家，写字很好。_Keys:He is a writer and writes well. 动词+or=名词 visitvisitor, inventinventor, actactor 【经典例句】 There are a lot of visitors in Huangshan.黄山有很多游客。 【活学活用】 The visitor is completely surprised. Keys：参观者完全

14、陷入惊奇感叹之中。2. 形容词后缀-al national国家的，central中央的，natural自然的，musical音乐的-an Italian意大利的，Indian印度的，Russian俄国的-ern southern南方的，eastern东方的，northern北方的-ful helpful有帮助的，careful仔细的，useful有用的-less careless粗心的，fearless不害怕的，homeless无家可归的-able/-ible comfortable舒适的，terrible可怕的，possible可能的-ive active积极的，native本族的，expe

15、nsive贵的-y rainy多雨的，snowy下雪的，sleepy困的，healthy健康的-ous famous著名的，dangerous危险的-ed excited感到兴奋的，tired疲劳的，interested感兴趣的，surprised吃惊的-ing interesting 令人感兴趣的，surprising 令人惊讶的，exciting令人兴奋的(1) dangerdangerous【经典例句】 Snake is dangerous. You should be careful.蛇很危险，你应该小心点。(2)talent talented【考点聚焦】be talented in为

16、固定搭配，表示“在方面有天赋”。【经典例句】She is talented and has a lot of talents.她很有天赋，并且有很多才能。 (3)difference different【经典例句】 They are different. Because they have many differences.他们不同是因为他们有一些不同点。 (4) successsuccessful【经典例句】 Ma Yun is successful.马云很成功。 (5)person personal【经典例句】 As a person, I have my personal life.作为

17、一个人，我有自己私人的生活。(6)sunsunny【经典例句】 Its sunny today. 今天晴。【知识拓展】 rainrainy cloudcloudy (7)wonderwonderful【经典例句】 I wonder What happened.我想知道发生什么事了。 I think skiing is wonderful。我觉得滑冰棒极了。 (8)worryworried【经典例句】She looks worried. Whats the matter?她看上去很担心。怎么了？【活学活用】英汉互译(1)这个男孩很有舞蹈天赋。 _(2)我比大多数的孩子更文静更稳重。_(3)我觉得

18、明天下午要下雨。_(4)这些都是我自己的事。_ (5) 我觉得明天将会晴。_ (6)多么不同的一天啊！_ (7) Did you go anywhere wonderful? _ (8) I wonder what you are doing. _ Keys：(1)The boy is talented in dancing.(2)Im quieter and more serious than most kids. (3)I think it is rainy tomorrow afternoon.(4)These are my personal things.(5)I think it i

19、s going to be sunny tomorrow.(6)  What a difference a day makes!(7) 你去很棒的地方了吗？(8)我想知道你正在做什么。 3.副词后缀 -ly slowly慢慢地，happily幸福地，truly真正地-ward backward退步，toward朝着，outward向外 (1)clearclearly【经典例句】 Please speak clearly. 请说得清楚点。 The classroom is clear. 教室很干净。 【活学活用】 Can you see objects&#

20、160;clearly?  _Keys:您能看清楚东西吗？ (2)loudloudly【经典例句】Its too loud. Please turn it down. 太响了。请降低点。Please speak loudly.请讲大声点。【活学活用】英汉互译 Open your mouth and pronounce the sound loudly. _Keys:张大你的嘴，大声发这个音.(3)quietquietly【经典例句】 He came here quietly.他悄悄地进来了.【活学活用】

21、The matter was quietly dropped. _Keys:因此这一事件就被悄然搁置了。 (4)seriousseriously【考点聚焦】 nothing serious意为“没有什么严重的”。 be serious about. 意为“对认真”。 【经典例句】Is she serious about giving up her job？她要放弃她的工作是认真的吗？I think you will take it seriously. 我觉得你应该严肃对待。 【活学活用】英译汉 Don't take 

22、;life too seriously. _Keys：不要太严肃的看待人生。(3) truetruly 【经典例句】 My mother truly cares about me. 我妈妈真的很关心我。 That news is true.那个新闻是真的。 【活学活用】英译汉 A true friend reaches for your hand and touches your heart. _ Keys：真正的朋友是一个可以援手帮助并感动你心扉的人. (6)sinceresincerely 【经典例句】 You have to be sincere. 你必须真

23、诚。 I sincerely hope I can be here with you.我真诚地希望能你一起在这里。【活学活用】英汉互译 I sincerely hope that they are right. _Keys：我真诚地希望他们的选择是正确的。一、用所给词的适当形式填空1. The Chinese people are very_(friend) to foreigners.2. I want to know how to eat and drink _. (health)3. Have they finishe

24、d the_(operate)?4.There are many _(different) between the two factories.5.Its _(sun) today. How about _(ride)to the park?6.English is _(wide) used all over the world.7. I am ill. I feel very _(comfortable).8.The little girl couldnt help _(cry), when she saw a large dog.9.Its time for _(tell) stories

25、.10.The radio says Tianjin will be _(rain) tomorrow.Keys:friendly,healthily,operation,differences,sunny,riding,widely,comfortably,crying,telling，rainy二、根据首字母填空1.Reading English aloud every day will of course help to improve your p_.2.I dont know how to learn English well. Can you give me some a_.3. I dont u_ what you are talking about. 4. She made some m_ in the exam. So she failed the exam.5. My summer camp was f_. I made so many friends. 6. There is a c_ between China and Japan this year. 7. 1 like talking with others. My mother says Im an o_ girl. 8. Pass me that pai