高中英语 Unit 2 Healthy eating 2 Learning about Language课件 新人教版必修3

1、section learning about language,一,二,三,四,一、选择适当的情态动词填空:ought to,have to,neednt,mustnt,oughtnt to 1.tom,you play with the knife.it may hurt you. 2.everyone respect the old. 3.must i finish the report today? no,you . 4.they have left our company without saying a word. 5.my mother is ill.so i stay at ho

2、me to look after her.,mustnt,ought to,neednt,oughtnt to,have to,一,二,三,四,二、读下面句子,试着翻译画线词组 1.no matter how many times you fail,dont lose heart. 2.he didnt want to lose face before his children. 3.my brother lost interest in drawing because he felt it was too difficult. 4.suddenly he lost control of hi

3、s car and it knocked into a tree.,答案:泄气,失去信心,答案:丢脸,答案:失去兴趣,答案:失去控制,一,二,三,四,三、读下列单词,找出每组中画线部分发音不同的单词 1.peach,teach,reach,break,weak 2.cut,minute,struggle,club,but 3.match,attract,lack,many,catch 4.because,settle,better,remember,vegetable,答案:break,答案:minute,答案:many,答案:because,一,二,三,四,四、根据汉语,用所提供的情态动词完

4、成下列句子 1.我们应该向这个女孩学习。(ought to) we the girl. 2.你不必熬夜准备这篇报道。(neednt) you preparing the report. 3.小孩子一定不要玩火。(mustnt) little children . 4.他们昨天本不应该吵架。(ought not to) they yesterday.,ought to learn from,neednt stay up,musnt play with fire,ought not to have quarreled with each other,1,2,1.however,as she was

5、 so afraid of being laughed at by her friends,she did not consult a doctor but . 然而,由于她非常怕被朋友嘲笑,所以她没有咨询医生,而是 剖析本句中含有as引导的原因状语从句。 考点consult vt. 咨询;请教;商量 【高考典句】(2015湖南高考)remember,however,that you should usually consult different types of sources. 然而,要记住,你应该经常查阅不同种类的资源。 i think we should consult the pr

6、ofessor on the question. 我想我们应该向教授请教这个问题。,1,2,1)consult可做不及物动词。如: please consult with me before the operation. 手术前,请先和我商量一下。 the two lawyers are consulting on the case. 两位律师正在商量那个案子。 归纳:consult with sb意义是“和某人商量”; consult on sth的意义是“商议某事”。 2)consult还有别的含义。如: he consulted his notebook and said,“i coul

7、d come on thursday.” 他翻了一下他的笔记本,然后说:“我星期四会来。” 归纳:consult还有“翻阅,参考(书籍等)”的含义。,1,2,3)派生词:consultation n.商议,商谈 consultative adj.咨询性的,协商的 consultant n.顾问;会诊医师 we had a hurried consultation before the meeting. 会前我们进行了紧急商议。 when did you join the consultative committee? 你什么时候加入顾问委员会的? he is a consultant on l

8、aw affairs to the mayor. 他是市长的一个法律顾问。,1,2,活学活用 语法填空 1)mr smith had a headache that was killing him,so he (consult) his doctor to find the cause. 2)if you dont feel well,remember (consult) your doctor before taking any medicine. 用consult翻译句子 3)当遇到生词时,请查阅词典。 4)我认为你应该和你的老师商量一下。,consulted,to consult,答案:

9、please consult your dictionary when meeting with new words.,答案:i think you should/ought to consult (with) your teachers.,1,2,2.grammar:ought to,ought not to,have to,dont have to,must,mustnt,neednt等情态动词的用法及区别 考点一情态动词ought to,ought not to的用法 1)ought没有时态和人称的变化,后面须跟带to的不定式。其否定形式为ought not,也可写为oughtnt。其基

10、本用法如下: a.用于第一人称,表示有责任或有必要去做某事,与should相比,语气较强。如: we ought to be more careful with our homework. 我们应当更加认真地做作业。 b.用于第二、三人称,表示建议或劝告。如: you ought to follow mr wangs advice. 你应当听王老师的建议。,1,2,c.表示对现在或将来某种可能性的推测,这种推测是可信的。如: henry ought to be here soon.he left home at six. 亨利应当很快就会到这儿,他六点就从家里出来了。 d.用来表达客观上难以实

11、现或不能实现的愿望,与虚拟语气相似。如: i love summer!it ought to be summer all the year. 我喜欢夏天,全年都应是夏天。 2)ought to have done的用法 a.表示对过去存在的某种可能性的推测,或指过去该做而未做的事情,意思是“早应该”“本应该”。若是否定句,则表示发生了不该发生的事。如: im sorry.i ought to have phoned to tell you i was coming. 对不起,我本应该给你打个电话告诉你我要来。,1,2,b.ought to have done sth=should have d

12、one sth,含义是“本应该做某事而实际上没有做”。 oughtnt to have done sth= should not have done sth,意义是“本不应该做某事而实际上已经做了”。 you shouldnt/oughtnt to have told him about the match. 你本不应该告诉他有关比赛的情况。 3)ought to be doing的用法 ought to be doing,表示“应该在”,这样用时语气比should严肃。如: you oughtnt to be talking so much.你不应当说这么多话。 4)如果意思明确,有时oug

13、ht to 后面不需要跟动词。如: should we begin at once?我们马上开始吗? yes,we ought to.是的,开始。,1,2,考点二情态动词have to,dont have to及must的用法 1)have to表示由于某种客观原因而不得不做某事。除此以外,have to有时态和人称的变化,其否定形式为:dont have to(=neednt)。如: her mother is ill,so she has to stay at home. 她的妈妈生病了,因此她不得不待在家里。 2)have to和must的用法及区别 a.两词都是“必须”的意思,have

14、 to 表示客观的需要,而must表示说话人的主观看法。 we dont have enough books for everybody.some of you will have to share. 我们没有足够的书给每个人,你们中有一些人只好合用。(客观上不得不),1,2,the old tower must be saved,whatever the cost is. 必须挽救这座古塔,无论付出什么代价。(表示说话人的主观看法) b.have to有人称、数、时态的变化,而must只有一种形式。但must可用于间接引语中表示过去的必要或义务。 as an athlete,he has t

15、o know his weaknesses. 作为一名运动员,他必须了解自己的短处。 he said he must leave before nine. 他说他必须九点前离开。,1,2,考点三情态动词mustnt和neednt的用法 1)mustnt表示“禁止”“不允许”,并不表示否定推测。如: you mustnt go there with him.你不许和他去那儿。 2)neednt=dont have to,表示“不必要”,可用来回答need和must的提问。如: must i finish the work today? 我必须今天完成这项工作吗? no,you neednt/do

16、nt have to.不,你不必。,1,2,活学活用 语法填空 1)mrs brown really (ought to) go on a diet.she has put on so much weight since she gave up jogging(慢跑). 2)they (shall) have arrived at lunchtime but their flight was delayed. 3)sorry,professor smith.i didnt finish the assignment yesterday. oh,you (shall) have done it

17、as yesterday was the deadline. 4)we (need) have bought so much food now that suzie wont be with us for dinner. 5)the new law states that people (must) drive after drinking alcohol.,ought to,should,should,neednt,mustnt,1,2,6)its quite warm here;we (need) turn the heating on yet. 7)ive ordered some pi

18、zza,so we (need) worry about cooking when we get home tired. 8)ive prepared all kinds of food for the picnic. do you mean we (need) bring anything with us? 9)my parents never remember my telephone number,and they always (have to) look it up. 10)mr wang,i will go and fetch four chairs for the meeting. you (need) fetch four;two will do.,neednt,neednt,neednt,have to,neednt,1,2,翻译句子 11)他应该和汤姆去英国吗? 12)我们本不应该开着窗子睡觉的。 13)他本应该昨天完成这项工作的。 14)我病了,不得不待在家里。 15)