1、Unit 4A good read,Grammar,New words,hand v.交；递，给,hand in 上交，递交,review n.评论,return v.归还,renew v.续借；更新,on time准时,Presentation,特殊疑问词+动词不定式what who when which where how,Andy doesnt know _.,what to wear,practice,Millie cant decide _.,which book to buy,They dont know _ to the station.,how to go,Millie has
2、 decided_.(该读什么)Daniel did not say _about this book.（该和谁交谈）Simon forgot _his friends.（该什么时候见）Kitty cannot decide _ first.（该选哪一个）Sandy is wondering _for help.（该去哪求助）Amy does not know _the report.（该如何写）,Group work 1,what to read,who to talk to,when to meet,which to choose,where to ask,how to write,1.M
3、r Wu _as after-school activities.（建议我们该选哪个）2.The students _their work.（问他们的老师何时上交）3.Millie _.（向我们展示下一步如何做）4.Daniel _a computer to draw.（教他自己如何使用）5.Dont forget to _you.（告诉你妈妈该在哪见）,Group work 2,advised us which to choose,asked their teacher when to hand in,showed us what to do next,taught himself how
4、to use,tell your mum where to meet,结论1：“特殊疑问词+不定式”可直接放在上列动词后，也可以置于上列动词的宾语后，即双宾语。,advise,ask,decide,discuss find out,forget,know,learn remember,say,show,teach think,understand,wonder,Group discussion 1“特殊疑问词+不定式”可放在哪些动词后？,Suzy will explain why to recommend this book.Suzy will explain why she recommen
5、d this book.结论2：,所有疑问词中，只有why不可以与动词不定式连用。,Group discussion 2,They are discussing which color to paint the walls.You can ask your parents how much money to take with you.结论3：有些疑问词，如what,which,whose,how many,how much等，其后可以先接一个名词，再接动词不定式。,Group discussion 3,Suzy was not sure who to ask for help.Are you
6、 clear when to meet at the gate tomorrow?结论4：在“疑问词+动词不定式”结构前，有时也可以是如sure,clear等的形容词,Group discussion 4,Amy and Daniel are talking about their Reading Week.Complete their conversation.Use the correct question words and to-infinitives.,Exercise on page 55,Lets work out the rules,动词+疑问词+to do动词+宾语+疑问词+
7、to do动词+疑问词+名词+to do形容词+疑问词+to do,Amy:Mr Wu has recommended so many interesting books.Have you decided(1)_ first,Daniel?Daniel:Yes.I want to read Black Beauty first.But I dont know(2)_ the book.,how,what,ask for,findwhen,where,hand in,readwhich,who,speak,travel,write about,which to read,where to fin
8、d,Amy:You can try our school library or Sunshine Library.Oh,did you know Peter is reading Around the World in Eighty Days?He wants to find out(3)_ around the world in such a short time.Daniel:Wow,thats amazing!By the way,can you tell me(4)_ our book report?,how to travel,when to hand in,Amy:Before n
9、ext Friday.Im still not sure(5)_ in the report.Daniel:You can write anything about your book what the book is about,what you think of it and so on.You should read some reviews about the book before writing.,what to write about,Amy:Thank you.Anyway,I know(6)_ help with writing.Mr Wu is always there t
10、o help us.,who to ask for,Group discussion 5,1.What school rules do we have?What must we do?What mustnt we do?2.If you are ill and the doctor asks you to stay at home,what will you have to do?,1.We must wear school uniforms.2.We must get to school on time.3.We must keep quiet in the library.4.We mus
11、tnt throw rubbish everywhere.5.We mustnt pick flowers in the garden.1.I will have to ask for leave and stay at home.2.I dont have to go to school.,1.must 表主观的义务和必要，主要用于肯定句和疑问句，“必须，得，要”。e.g.You must finish your homework today.你今天必须完成家庭作业。must 的否定形式must not表示禁止，“不能，不行”。e.g.You must not smoke here.你不能在
12、这里抽烟。,Summary,2.have to 表一种客观的需要，“不得不”。have to 有人称和数的变化。e.g.It is getting dark.He has to go home now.天快黑了，你现在得回家了。have to 的否定形式do not have to,相当于need not。e.g.They do not have to buy a computer at the moment.他们目前没有必要买电脑。,3.must 还可以表示肯定猜测，意思是“一定”。否定的猜测是cant。e.g.You must be hungry after all that walkin
13、g.走了那么远的路，你一定饿了吧。That cant be Lucy.She has gone to American.那肯定不是Lucy，她已经去了美国。,Group discussion 6,What rules must we obey when we are in the library?must/mustnt/have to/dont have to,Amy is telling her cousin Shirley some library rules.Complete what she says with must,must not,have to or dont have to
14、.,You(1)_ keep quiet in the library.You(2)_ keep the books clean and tidy.You(3)_ draw or write on the books.,must,must,mustnt,Exercise on page 56,You(4)_ eat or drink in the library.You(5)_ return the books on time.If you want to keep them longer,you(6)_ renew them.You(7)_ bring your student card e
15、very time you go to the library,but remember to bring your library card.,mustnt,must,have to,do not have to,1.Im going on a field trip but I havent decided _.A.what to do B.to do what C.where to go D.to go where2.Excuse me.Would you please tell me _ buy a digital camera?A.what to B.where to C.what I
16、 can D.where can I,3.This physics problem is too difficult.Can you show me _,Wang Lin?Sure.A.what to work it out B.what to work out it C.how to work it out D.how to work out it,4.We need a new leader for our Helping Hands Club,but I dont know _.Why not Mary?She is always willing to help others.A.wha
17、t to choose B.how to choose C.when to choose D.who to choose,5.The math problem is so hard.I really dont know _.A.how to do it B.how to do C.what to do it6.Excuse me.Could you tell me _ get to the nearest post office?Sorry,I am new here.A.how can I B.how I could C.how to D.what I can,7.Excuse me.Cou
18、ld you please tell me _ my car?Sure.Park it right here.Ill help you.A.how to stop B.where to park C.where to stop D.when to park8._ I swim here?Im sorry.Children _ swim alone here.A.Must;cant B.May;must C.Can;mustnt D.Cant;can,9.Dad,must we wait until the light becomes green?Yes,Im afraid we _.Thats the traffic rule.A.can B.may C.have to D.need10.Students in our school _ know shouting is not allowed in the library.A.can B.may C.must D.need,Remember the grammar in this lesson.,
