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1、Unit 9 Can you come to my party?【复习目标】1. 熟练掌握本单元的重点词汇和短语。2. 熟练掌握本单元的语法点。3. 熟练掌握本单元的话题写作。【学习过程】Step 1: 单元词汇听写Step 2: 单元考点集训情态动词can与have to情态动词主要有:may/might, can/could, must, have to, shall/should, will/would, ought to, need, dare, used to。本单元着重学习情态动词can 以及have to 的用法。其特征主要有:1. 不能独立作谓语,只能和动词原形一起构成谓语,表
2、示说话人的语气和情态。2. 没有人称和数的变化。 (have to除外)3. 否定形式:在其后加not (have to除外)。疑问形式:情态动词提到主语之前(have to 除外)。考点一:情态动词can情态动词can除了表示能力、许可或猜测之外,还可以用于表示邀请。情态动词can表示邀请时的用法如下:1当用情态动词can发出邀请时,要用其一般疑问句形式,其句式为:Can主语动词原形其他?Can you come to my party?你能来参加我的聚会吗?2. 当用情态动词can发出邀请时,其回答分为两类。一类表示接受邀请,另一类是表示拒绝邀请。(1)常见的表示接受邀请的回答:Sure,
3、Id love to.当然,我很乐意。Yes,Id love to.是的,我很乐意。Sure,I think he/she/they will.当然,我想他/她/他们会的。【拓展】向别人发出邀请、请求、建议或征求某人的意见,还有几种表达方法,大多数语气比较委婉,显得客气而有礼貌:Would you like.?“你想要/愿意吗?”其后可接名词、代词或动词不定式,用来提出建议或发出邀请。Would you like some orange?你想要些橘汁吗?(接名词)Would you like to play basketball with us?你愿意和我们一起打篮球吗?(接动词不定式)来(2
4、)常见的表示拒绝邀请的回答:Sorry.Im not available.对不起,我没有空。Im sorry.Im not free this weekend.I have to look after my sister.对不起,我这个周末没有空。我不得不照看我的妹妹。Id love to come,but Im afraid I cant.I have to study for a test.我很乐意,但是我恐怕不能。我不得不为考试而学习。考点二:have to 的用法have to的意思是“必须、不得不”, 往往强调由于客观原因而必须做某事。have to 后接动词原形;have to有人
5、称、数和时态的变化, 其第三人称单数形式为has to, 其疑问形式和否定形式要借助于助动词do或does来完成。We have to look after our sister at home.我们不得不在家照顾我们的妹妹。Does he have to get up early tomorrow morning?明天早上他必须早起吗?【辨析】情态动词“have to”与其他的情态动词如“can” “may” “must”和 “should”不同。1. 这4个情态动词没有人称的变化,而have to有, 它的第三人称单数为“has to” 。He should/has to study ha
6、rd.他应该努力学习。2. 这4个情态动词在一般疑问句中将它们放 在句首, 在否定句中直接在他们后边加not即可。而“have to”要加助动词do , does或did才可能完成其疑问句、否定句。以can为例:-Can he go with us? 他能和我们一起去吗?-He cant go with us. 他不能和我们一起去。学以致用1. Henry his homework this afternoon.A. have to do B. have to doing C. has to do D. has to doing2. Jim play soccer with his frien
7、d this weekend, because he is very busy.A. can B. cans C. cannt D. cant3. Can you come to my party? .A. Sure, I love B. Sure, I love to C. Sure, Id love to D. Sure, Id love4. Would you like to play football with us?_, but Im busy.A. No, I cant B. No, I wouldnt C. Yes, Im glad D. Yes, Id love to5. _I
8、 take the newspaper away?No, you mustnt. You _ read it only here.A. Must; can B. May; can C. Need; must D. Must; must6. Joe _ go to the doctor. His leg is broken.A. have to B. can C. has to D. may7. Can you help me with my English? Sure, _.A. Id likeB. Id love C. Id love to D. I have toStep 3: 单元写作训练假如你是丽莎(Lisa),6月22日是你的生日,请根据以下表格的内容,向你的好朋友发一封邀请信。Time:Friday,June 22nd,at 2:30 p.m.Place:Lisas homeActivities:watching a new movie,playing games,having dinnerHi,friends,_Yours,Lisa_