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八年級(jí)上Unit 2課文疑難解析

發(fā)布時(shí)間:2017-12-20 編輯:互聯(lián)網(wǎng) 手機(jī)版

  1. It might be because you have too much yin. 這可能是因?yàn)槟阌刑嗟摹瓣帯薄?/p>

  問(wèn):might是may的過(guò)去式,這句話說(shuō)的是過(guò)去嗎?be動(dòng)詞后面怎么不用形容詞或名詞作表語(yǔ)呢?

  答:might是may的過(guò)去式。但是本句中的might并不表示過(guò)去。只是表示口氣的緩和、委婉。can的過(guò)去式could也有這種用法。例如:

  -Who can it be? 可能是誰(shuí)呢?

  -It might be Mr Yang. 可能是楊先生。

  -Could you lend me your bike?你能把你的自行車借給我嗎?

  -Yes, I can. 可以。

  I could talk about Chinese names. 我可以談?wù)勚袊?guó)的姓名。

  七年級(jí)的時(shí)候,我們多認(rèn)為be動(dòng)詞后面接的表語(yǔ)通常為名詞、形容詞等。能做表語(yǔ)的例子還很多,這里我就不說(shuō)了。如介詞短語(yǔ)就可以做表語(yǔ)?蠢樱

  All the students are on the playground. 所有的同學(xué)都在操場(chǎng)上。

  一個(gè)完整的句子也可以做表語(yǔ)。例如:

  The fact is that he isn't Japanese. 事實(shí)上他不是日本人。

這樣看來(lái)because引起的這個(gè)句子做表語(yǔ)就不稀奇了。你來(lái)說(shuō)一個(gè)句子試試:

這就是他昨天遲到的原因。

你不能說(shuō):This is because he was late for school.

你該說(shuō):This is why he was late for school. 哈哈!why的從句不也做了表語(yǔ)嗎?

2. Eating Dangshen and Huangqi herbs is also good for this. 吃一些黨參和黃芪也對(duì)此有好處。

問(wèn):又不是“正在吃”,用eating干嗎?;“對(duì)……有好處”用be good to對(duì)嗎?

答:eating這種V-ing形式確實(shí)有“進(jìn)行”的意思,尤其是與be動(dòng)詞在一起的時(shí)候(這是現(xiàn)在進(jìn)行時(shí)態(tài)的基本形式)。

你可能不知道,V-ing形式還具有名詞的特征。它是把那個(gè)動(dòng)詞名詞化了。例如:

Getting up early is good for your health. 早起對(duì)你的健康有益。

再如:

Seeing is believing. 眼見(jiàn)為實(shí)。

從例子中還可以看出,以V-ing形式做主語(yǔ),總是與單數(shù)的謂語(yǔ)動(dòng)詞對(duì)應(yīng)。

這種V-ing形式既然具有名詞詞性,當(dāng)然就可以做賓語(yǔ)了。這次由你來(lái)做一道題。漢語(yǔ)是:?jiǎn)炭偸窍矚g踢足球。

Joe always likes playing football. (對(duì)了。

這個(gè)V-ing和前面的用法一樣。

be good for...意思是“對(duì)……有好處”。有時(shí)我們會(huì)讀到be good to...,但是它多半是表示“對(duì)某人善良、友好”。如果你看到的是be good at...,那就是“擅長(zhǎng)做某事”的意思了。

讀下面的句子:

My father is good to me.

Her help is good for me.

I'm good at English.

翻譯出來(lái)不成問(wèn)題吧!

課本重點(diǎn)與中考考點(diǎn)“新密接觸”

  【課本重點(diǎn)】The students are listening______their teacher very carefully.

  A. to B. on C. for D. at

  【解析】listen是不及物動(dòng)詞,后不能直接接賓語(yǔ),后接賓語(yǔ)時(shí),要加上介詞to。故該題選A。

  【課本重點(diǎn)】What's the matter?

  【中考考點(diǎn)】-______.

  -I have a headache, doctor.

  A. What's the trouble?

  B. What worry with you?

  C. What's your name?

  【解析】當(dāng)看出某人有不舒服的情況時(shí),可以親切地詢問(wèn)對(duì)方What's wrong (with you)?/What's the matter (with you)?/What's the trouble (with you)?,故該題應(yīng)選A。

  【課本重點(diǎn)】He shouldn't eat anything for 24 hours.

  【中考考點(diǎn)】I'm hungry. I would like to have______nice to eat.

  A. any B. anything C. something D. some

  【解析】any和some用作形容詞時(shí),不能用來(lái)修飾形容詞。anything一般用于疑問(wèn)句或否定句,something一般用于肯定句。當(dāng)形容詞修飾不定代詞時(shí)須放在不定代詞之后。因此,該題只能選C。

  【課本重點(diǎn)】It will make you sick.

  【中考考點(diǎn)】下面句子的A、B、C、D中有一處錯(cuò)誤,請(qǐng)找出并改正,但不能改變句子的原意。錯(cuò)處的序號(hào)和改正的部分,填寫(xiě)在左邊的橫線上。

  His words(A) at(B)the meeting yesterday made(C) all of us very angrily(D).

  【解析】make sb. / sth. +形容詞表示“使……處于……狀態(tài)”,形容詞在句中作賓語(yǔ)補(bǔ)足語(yǔ),對(duì)賓語(yǔ)作補(bǔ)充說(shuō)明。angrily是副詞,其形容詞形式是angry。該題的正確答案是將angrily改為angry。

  【課本重點(diǎn)】Well, I hope you're enjoying my school in New York.

  【中考考點(diǎn)】Do you enjoy______football? I hear there will be a football match tomorrow.

  A. playing B. play C. played D. to play

  【解析】enjoy意為“喜歡,欣賞”,后可接名詞或代詞作賓語(yǔ)。如果其后是接動(dòng)詞,則只能接動(dòng)詞的V-ing形式。故該題只能選A。

  【課本重點(diǎn)】I think I'm getting a cold too.

  【中考考點(diǎn)】-What's the matter with you?

  -I caught______bad cold and have to stay in______bed.

  A. a; (不填) B. a; the C. a; a D. the ; the

  【解析】get(a) cold, take(a) cold和catch (a) cold都是表示“感冒”,其中的不定冠詞a在沒(méi)有形容詞修飾cold時(shí)?墒÷,但cold之前有形容詞修飾時(shí)則不能省略。而have a cold也可以表示感冒,但其中的a在任何情況下都不能省略。又因?yàn)樘稍诖采狭?xí)慣說(shuō)stay in bed,故該題的正確答案是A。

點(diǎn)擊口語(yǔ)Unit 2

1. What's the matter?

語(yǔ)境: 當(dāng)看到一個(gè)人氣色不好、或面帶憔悴等時(shí),我們可以用此句詢問(wèn)對(duì)方,表示“你怎么不舒服?”、“出了什么事?”、“為什么不高興?”等。下面請(qǐng)本期的兩位嘉賓主持給大家演示一下:

1)卡丁奇奇: What's the matter with you, Tom?

饞嘴胖胖: I have a headache.

2)卡丁奇奇: What's the matter? You look so pale.

饞嘴胖胖: I'm not feeling well. I have a cold, I think.

相關(guān)連接:?jiǎn)柲橙擞泻尾皇娣䲡r(shí),英語(yǔ)中還可用What's wrong with...?/What's up with...?/What's the trouble with...?等句型,前面或后面通常還要加上You look pale./You don't look well.等類的句子。

2. You should...

語(yǔ)境: 當(dāng)婉轉(zhuǎn)地提出一個(gè)建議時(shí)常用此句型。

實(shí)例:

1)卡丁奇奇: I have a toothache.

饞嘴胖胖: Maybe you should see a dentist.

2)卡丁奇奇: I have a fever.

饞嘴胖胖: You should drink lots of water.

相關(guān)連接:

類似此說(shuō)法還有You'd better.../Perhaps you should.../You need...等。注意它們的否定形式是You'd better not.../You shouldn't.../You needn't...。

 

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