Unit 4 Exploring literature Grammar and usage Modal verbs 情态动词 （ppt课件）-2024新牛津译林版（2020）《高中英语》必修第二册.pptx

1、Modal verbsWhat shall I read?Douban book reviewPeoples DailyMinistry of EducationRead the website article on page 48 to complete the mind map below.Look for books on topics that you.Ask to recommend books.Read book reviews in .Develop your own .tastefriends,parents and teachersnewspapers,in magzines

2、 or onlineinterest“What 1.I?You 2.yourself this question more than once.If you are not sure what to read,you 3.ideas from different sources,but it is also important to develop your own taste.To start with,ask your friends,parents and teachers to recommend what books you 4.Most people will be happy t

3、o share their favourite books with others.Teachers in particular 5.suggestions for interesting reading materials that 6.in the library or bookshop easily.You 7.also book reviews in newspapers,in magazines or online.A book review 8.often you whether a book is worth reading or not.shall readmight have

4、 askedcan getought to readcan provide can be foundcouldreadcan tell These ideas 9.you in the right direction,However,you 10.also for yourself what kind of books to read.You 11.a book just because everyone recommends it.Instead,look for books on topics that interest you.Take time to look through the

5、collections in different sections of your local library,and you are likely to come across books you love to read.Over time,you 12.yourself better able to seek out books to your taste and enjoy reading all the more.should pointmust decidedo not have to readmay find suggestion ability necessity possib

6、ility1.What shall I read?2.You might have asked yourself this question more than once.3.If you are not sure what to read,you can get ideas from different sources.4.To start with,ask your friends,parents and teachers to recommend what books you ought to read.5.Teachers in particular can provide sugge

7、stions for interesting reading materials that can be found in the library or bookshop easily.suggestionpossibilitysuggestionnecessityabilitysuggestion ability necessity possibility6.You could also read book reviews in newspapers,in magazines or online.7.A book review can often tell you whether a boo

8、k is worth reading or not.8.These ideas should point you in the right direction.9.However,you must also decide for yourself what kind of books to read.10.You do not have to read a book just because everyone recommends it.11.Over time,you may find yourself better able to seek out books to your taste

9、and enjoy reading all the more.suggestionabilitypossibilitynecessitynecessitynecessity1.suggestionshall/can/could+动原2.abilitycan+动原3.necessityought to/must/dont have to+动原4.possibilitymight have doneshould/may+动原a d e f情态动词1.本身有词义，不能单独作谓语。2.与动词原形构成谓语。3.表示说话人的情绪、态度、语气。常见情态动词1.只做情态动词只做情态动词may(过去式might

10、)must2.可做情态动词可做情态动词/实义动词实义动词(有人称数的变化，后不加有人称数的变化，后不加动词原形动词原形)can(过去式could)-能够 need-需要 dare-敢于3.可做情态动词可做情态动词/助动词助动词(构成时态、语态、疑问句、构成时态、语态、疑问句、否定句否定句)will(过去式would)shall should4.具有情态动词特征具有情态动词特征：have to，used to，ought to情态动词+have done的用法1.can/could/may/might have done表推测过去可能发生的事情。Tom can have been hurt se

11、riously in the car accident.2.must have done 表推测过去一定发生的事，“一定做过”Linda must have gone to work by bus,because her bike is still there.3.should/ought to have done(语气强烈)“本应该做未做”虚拟语气You should have been more careful in this experiment.4.neednt have done“本没必要做却做了”虚拟语气I dressed very warmly for the trip，but

12、I neednt have done so.The weather was hot.情态动词+have done的用法5.If I were you,I would do.6.could have done 本能做却未做7.shouldnt have done 本不该做却做其他1.The news cant be too good to her.对.太.2.couldnt be better 再好不过3.Im ready,so we might as well go now不妨4.need doing=need to be done 某事需要被做5.didnt need to do 过去不必做某事,事实上也没做neednt have done 过去不必做某事,但事实上做了。6.must 非要；偏偏 mustnt 禁止，不允许 cant 否定推测Pharses1.不止一次2.首先3.特别；尤其4.值得做某事5.浏览6.有可能做.7.偶然发现8.慢慢地9.物色到；挑选出10.更加1.more than once2.to start/begin with3.in particular4.be worth doing5.look through6.be likely to e across8.over time9.seek out10.all the more