优化课堂2012高一英语精品课件：UNIT 2 SECTION Ⅱ LEARNING ABOUT LANGUAGE（新人教版必修4).PPT

1、Section Learning about LanguageIt is important to explain this again or we will confuse thestudents.再解释一下很重要，否则我们会使学生感到迷惑。1confuse vt.使迷惑；使为难典例They confused me by their conflicting advice.他们的建议相互矛盾，把我弄糊涂了。拓展 be/get confused with 对感到困惑confuse.with 混淆运用 完成句子were confused withThe police _(对 感 到 困 惑)the

2、case after they heard what the witness said.I always _ Mary _(分不清)her sisterbecause they look alike.confusewith2regret解析(1)vt.遗憾；惋惜She deeply regretted what she had done.她非常后悔做了那些事。(2)n.遗憾；懊悔Shelley had no regrets for his actions.雪莱对他的行为一点都不感到后悔。拓展 regret to do 遗憾要做regret doing 后悔做了much to ones regr

3、et 令某人深感遗憾的是with regret 遗憾地运用 完成句子 I _(很 遗 憾 地 说)you are fired by thecompany.regret to say Tom _(后 悔 告 诉 了)his pa-rents hisplan.regretted telling _(令 我 深 感 遗 憾 的 是),I couldntsee my best friend off when she went abroad.It is _(很 遗 憾 地)that I must declineyour offer.Much to my regretwith great regret主动

4、形式被动形式一般式doingbeing done完成式having donehaving been done动词-ing 形式作主语和宾语动词-ing 形式由“动词原形-ing 形式”构成，它既是现在分词形式，也是动名词形式。其时态和语态的变化为：注意：动词-ing 形式的否定式是直接在它的前面加 not。一、动词-ing 形式作主语1动词-ing 形式作主语时，通常有两种位置：一种是位于句首；另一种是用 it 作形式主语，而将真正的主语动词-ing形式移至句末。动词-ing 形式作主语时，谓语动词用单数。如：Doing sports does good to us.做运动对我们有益。Its

5、no good looking back,for its too late to change it now.再想过去的事情已经没有意义了，因为现在已经改变不了了。2动词-ing 形式和动词不定式都可作主语。一般来说，表示比较抽象的一般行为时，多用-ing 形式；表示具体的动作，特别是将来的动作时，多用不定式。如：Smoking is harmful to our health.吸烟有害健康。To refuse him this time is not easy for me.对我来说，这次要拒绝他不太容易。二、动词-ing 形式作宾语1有些动词和动词短语只能接动词-ing 形式作宾语，如：a

6、dmit,avoid,consider,delay,enjoy,finish,keep,imagine,practise,suggest,be/get used to,get down to,look forward to,stick to,giveup,put off,insist on,pay attention to,lead to,feel like 等。如：He suggested going there by bus.他建议坐公共汽车去那里。Lets get down to discussing the problem.让我们着手探讨这个问题吧。useless2有些动词和动词短语用

7、 it 作形式宾语，而把真正的宾语动词-ing 形式放在最后。常见的结构有：主语thinkconsiderfind.itno useno good.doingI found it useless arguing about it.我发现争论这件事没有用。Do you consider it any good trying it again?你觉得再试一次有好处吗？3有些动词和动词短语可接动词-ing 形式或动词不定式作宾语，但表达的意义不同，如：stop doing 停止正在做stop to do 停下来去做(另一件事)remember doing 记得做过remember to do 记得要

8、去做be used to doing 习惯做be used to do 被用来做类似的还有 try,mean,forget,regret,go on 等。4有些动词如 need,want,require 等用动词-ing 形式表示被动意义。如：Our classroom needs cleaning(needs to be cleaned)at once.我们的教室需要立即打扫一下。5 在 have trouble/a problem/a good time(in)doing,spendtime/money(in)doing,be busy(in)doing 等结构中，介词 in 常可以省略。

9、如：He had trouble(in)studying French.他在学习法语上有困难。I spent the whole day(in)reading the novel.我花了一整天读这本小说。一、用所给单词的适当形式填空1I suggest _(ask)your parents for advice.2I really regretted _(miss)such aWonderful lecture.having missed/missingvisiting3We never forgot _(visit)the village for the first time.4What m

10、ade you so upset?_(lose)the basketball game.askingLosing5I cant stand _(work)with Jane in the same office.She is too noisy.working6Its useless _(cry)over the spilt milk.7I am used to _(get)up at 6 oclock every day.8We are looking forward to your _(come)soon.9The film is worth _(see)a second time.10

11、He tried his best to avoid _(make)the inggettingcryingseeingmaking二、完成句子1 _(照顾婴儿)is atroublesome job.2_(他没来)made everyone present verydisappointed.3You will _(发现做没有用)itin this way.4Cherry _(正忙于为作准备)the coming exam.5He admitted _(已经告诉了他母亲)the bad news.Taking care of/Looking after babiesHis not comingfind it no use/useless doingis busy(in)preparing/getting ready forhaving told his mother