Unit5 Can you come to my party？经典例题与讲解：SectionA

经典例题与讲解：SectionA单元目标预览a trip教材英汉对译Section A 2dJeff：Hey，Nick，can you come to my house on Saturday？My cousin Sam from Xi'an is going to be here.Nick：Oh，Sam！I remember we went bike riding together last fall when he visited you.Jeff：Yes，that's right.Nick：I'd love to come，but I'm afraid I can't.I have an exam on Monday so I must prepare for it.Jeff：That's really too bad！①Oh，but Sam isn't leaving until next Wednesday.②Can you hang out with us on Monday night？Nick：Sure！③Catch you on Monday！杰夫：嘿，尼克，星期六你能来我家吗？我来自西安的表弟萨姆打算到这儿。

尼克：哦，萨姆！我记得去年秋天他来看你时，我们一起骑自行车旅行过。

杰夫：是的，很对。

尼克：我想去，但是恐怕不行。

星期一我有一次考试，所以我必须为此而准备。

杰夫：那真是太糟糕了！哦，但是萨姆直到下周三才要离开。

你可以在周一晚上和我们去闲逛吗？尼克：当然可以了！周一见你们！教材知识详解1．—Jenny，can you come to my party on Saturday afternoon?詹妮，星期六下午你能来参加我的聚会吗？—Sure ，I'd love to.当然，我很愿意。

本句是一般疑问句。

情态动词can 与come 共同构成谓语。

can modal v. 可以，相当于may ，提出请求或邀请Can you get me some water? 你可以给我弄点水吗？can modal v ．能；会 Can you sing? 你会唱歌吗？【例题】 Bill ______ come out to play because he ______help his mom in the garden.A ．can ；have toB ．can ；has toC ．can't ；have toD ．can't ；has to对不起，我不能。

我得帮助我的父母。

have to 不得不，必须。

表示客观情况要求某人必须做某事，有人称和时态的变化，后接动词原形，其否定形式为don't have to 。

She isn't very well these days and she has to stay at home. 她这些天身体不太好，不得不待在家里。

You don't have to tell me this.你不必告诉我这件事。

have to 和musthave to 强调因客观原因而“不得不”。

它有时态、人称和数的变化。

其第三人称单数为 has to ，过去式为 had to 。

由 have to 构成的句子，进行句型转换时要借助 do ，does 和did 。

It's raining.I have to stay at home. 天在下雨。

我不得不待在家里。

must 强调主观上“必须”，没有人称和数的变化。

其句型变换无需借助助动词。

You must do your homework first. 你必须先做作业。

【例1】选词填空，注意适当形式 must have to1．You don't ______come here today. 2．We ______ late again next time. 3．We ______ strict with ourselves.点拨：1.本句借助助动词do ，应该用have to ，must 不需借助助动词。

2.mustn't 表示个人主观的意愿。

3.must 表示个人主观意愿。

答案：1.have to 2.mustn't be 3.must be 【例2】—Must we clean the classroom? —No ，you______. A ．mustn'tB ．needC ．don't have toD ．aren't我必须准备考试。

prepare v. 使做好准备；把……准备好，其名词形式为：preparation准备；准备工作。

(1) 常用短语为：prepare for 为……做准备，相当于get ready for 。

The students are preparing for the coming sports meeting.＝The students are getting ready for the coming sports meeting.学生们正在为即将到来的运动会做准备。

(2) prepare...for...为……准备……，相当于get...ready for...。

Mother is preparing a birthday cake for my birthday. ＝Mother is getting a birthday cake ready for my birthday.妈妈正在为我的生日准备生日蛋糕。

(3) prepare to do sth.准备做某事＝get ready to do sth.You should prepare to have the P．E. lesson.＝You should get ready to have the P．E. lesson.你应当准备上体育课。

【例1】Tomorrow is Dragon Boat Day.My mother and my grandma ______a big meal for our family now.A．are preparing B．be preparingC．prepare D．prepared点拨：根据时间状语now以及语意可知本句时态用现在进行时。

主语My mother and my grandma是复数，故用are preparing。

答案：A【例2】I'm very busy these st week I ______the driving test.Now I'm ______take part in the coming sports meeting.A．prepared；preparingB．prepared for；preparingC．prepared for；preparing toD．prepared；preparing to点拨：根据last week可知时态用一般过去时；为……做准备用prepare for，故A、D两项不符；prepare to do sth.意为“准备做某事”，故选C项。

答案：C4.I'm sorry，I'm not available.很抱歉，我没空。

available adj. 有空的；可获得的(1) 作“有空的”时，相当于free，不用于名词前。

I'm available next Tuesday if you want to meet then.如果你想见面的话，我下星期二有空。

(2) 作“可获得的”时，常用于名词后。

I am going to send you all the stamps available.我将把我能得到的邮票给你寄去。

【例题】If you are ______ tomorrow，you can bring all the ______.A．available；available newspapersB．available；newspapers availableC．not available；available newspapersD．not available；newspapers available点拨：available作“可获得的”，用于名词后，排除A、C两项；根据“你可以把能得到的所有报纸带来”可知“如果明天你有空”，故排除D项。

答案：B5．①Oh，but Sam isn't leaving until next Wednesday.哦，但是萨姆直到下周三才要离开。

until conj.& prep. 到……时；直到……为止(1) until 用于肯定句中，意为“一直到……为止”，主句谓语动词用延续性动词。

I stayed until he came back.我一直待到他回来为止。

(2) until 用于否定句中，构成not...until，意为“直到……才”，主句谓语动词用短暂性动词，此时until可用before代替。

I won't go there until/before he calls me.直到他给我打电话，我才去那儿。

【例题】Tony didn't feel better ______ he took some medicine.I guess he can go to school this afternoon.A．until B．whenC．after D．because点拨：not...until 意为“直到……才”，句意为“托尼直到吃了一些药才感觉好多了。

我猜他今天下午就能去上学”。

B、C、D三项放在句中不合句意。

答案：A6．②Can you hang out with us on Monday night？你可以在周一晚上和我们去闲逛吗？hang v. 悬挂；垂下，其过去式为：hung。

She hung her washing out in the garden.她把洗的衣服晾在花园里。

hang out 常去某处；泡在某处 They are always hanging out in the street. 他们总是在街上闲逛。

hang v. 吊死；绞死，其过去式为：hanged 。

In the old days ，many people were hanged. 在过去，许多人被绞死。

【例题】 He ______the basket on the wall after entering the room yesterday. A ．hang B ．hangs C ．hungD ．hangedCatch you on Monday! 周一见你们！catch v. 及时赶上；接住；抓住，过去式为：caught 。