开心学英语六年级下册Unit11WehavetogotoIndia课件.ppt

开心学英语六年级下册Unit11WehavetogotoIndia课件 Still waters run deep.流静水深流静水深,人静心深人静心深 Where there is life,there is hope。有生命必有希望。有生命必有希望What happened to Jack?He lost his game yesterday.Oh,no.I have to find my bones.but I cant.Dont worry.I can help you.Oh,no.I forgot to take a bag.Dont worry.I carried a bag.Thats all right.You have to remember the lesson.Oh no!We cant get out!Dont push.you have to pull!lose lostfind foundcarry carriedforget forgotlook lookedworked savedhelp helpedplay playedwash washedcost cost cut cut hit hithurt hurt let let must must put put set set shut shut read readbring brought buy bought think thought catch caught teach taught build built lend lent send sent1.你你 去睡一觉。去睡一觉。2.2.你你 邀请他。邀请他。3.3.你你 照你父母的话办。照你父母的话办。4.4.你你 抽这么多的烟。抽这么多的烟。Youd better get some sleep.Youd better not invite him.You should do what your parents tell you.You oughtnt to smoke so much.最好最好最好不最好不应该应该不应该不应该必须必须不许不许不得不不得不不必要不必要You must get some sleep.You mustnt invite him.You have to do what your parents tell you.You havent got to smoke so much.Model verbs()musthave to have got tomust not/mustntdont have to havent got to/hasnt got to Must sb?Do/Does sb.have to?Have/Has sb.to?（必须、（必须、应当）应当）（必须、（必须、不得不）不得不）1.have to 由由have+to组成。因此具有组成。因此具有have的各种时态。的各种时态。2.He is an invalid and has to have a nurse.3.She knew what she had to do.4.I shall have to reconsider my position.5.He is always having to exercise judement.6.2.在口语中，在口语中，have got to 也可以表示义务和需要，也可以表示义务和需要，与与have to 基本同义。基本同义。7.He has got to go right now.8.He hasnt got to go just yet.1.含义不同：含义不同：2.must 表示说话人的主观思想，强调个人意志和表示说话人的主观思想，强调个人意志和主观的决心。主观的决心。3.have to侧重于客观上的必要，强调客观条件作用侧重于客观上的必要，强调客观条件作用的结果。的结果。4.You must do it now.5.I have to go now.3.否定含义不同否定含义不同 在否定句中在否定句中,have to表示不需要，表示不需要，must则表则表示不允许。示不允许。You dont have to go there.You mustnt go there.2.适用时态不同适用时态不同 must 只能用于一般现在时和一般过去时，（在只能用于一般现在时和一般过去时，（在间接引语中）间接引语中）have to 可用于更多的场合。可用于更多的场合。She said she must do well in her English.1.Dont be late again.You _ be here on time.2.A.may B.can C.must D.neednt2.You _ do it even if you dont want to.3.A.cant B.mustnt C.neednt D.have to4.3.Must I take a bus?5.No,you _.You can walk from here.6.A.mustnt B.dont 7.C.don t have to D.had better not to8.4.It is rather cold here.Shall we light a fire?9.No,we _,because things here are easy to catch fire.10.A.wont B.cant C.mustnt D.needntSee you.