牛津版 (深圳&广州)九年级下册（2014秋审查）Module 2 Environmental problemsUnit 4 Natural disasters完美版课件ppt

这是一份牛津版 (深圳&广州)九年级下册（2014秋审查）Module 2 Environmental problemsUnit 4 Natural disasters完美版课件ppt，文件包含Unit4NaturaldisastersPeriod3Grammarpptx、Unit4NaturaldisastersPeriod3Grammar导学单doc、Unit4NaturaldisastersPeriod3Grammar教案doc、人称代词it之形式主语mp4等4份课件配套教学资源，其中PPT共42页， 欢迎下载使用。

Watch the vide and talk abut it.
Read the sentencesIs it true that yu’ll g abrad next mnth?It's imprtant t learn a freign language.It takes at least ten hurs t get there.
人称代词it之形式主语1. 当不定式、动名词或从句在某个句子中作主语，为保持句子结构前后平衡，避免头重脚轻，常用it作形式主语置于句首，而将真正的主语置于句尾。此时的it只起先行引导作用，本身无词义。2. 当句子主语为动名词或从句时，也常使用it作形式主语。
Using it as the empty subject
Presentatin
We can use it as the empty subject like this:It is ne ’clck.It is summer nw. It rained all day.It is nly a five-minute walk frm my hme t the schl.It is ht in this rm.
It‘s nine ’clck in the mrning. My bedrm flr is a pl f water.
We can use it as the empty subject like this:
It is ne ’clck.It is summer nw. It rained all day.It is nly a five-minute walk frm my hme t the schl.It is ht in this rm.
It refers t the time.It refers t the seasn.It refers t the weather.It refers t the distance.It refers t the temperature.
Wrk ut the ruleWe ften use it t refer t the __________, ________, ___________, distance and temperature.
Language pints.
It作形式主语的常见句型：It + be + 形容词 + t d sth./ding sth. + be + 名词词组 + ding/ + be + 过去分词(said/reprted/believed...) + that...据说/据报道/人们认为.It seems/happens等不及物动词 + that...似乎/碰巧 takes (sb.) sme time t d sth.
It作形式主语的常见句型：1. It + be + 形容词 (fr sb.)+ t d sth./ding sth. that...
difficult, gd, interesting, necessary, dangerus…
It's imprtant fr us t keep healthy.保持身体健康对于我们来说很重要。
It作形式主语的常见句型：2. It + be + 形容词 (f sb.)+ t d sth./ding sth. that...
kind, warm hearted, utging, easy ging, clever…
It is very clever f yu nt t listen t him.你没听他的真是太明智了。
It作形式主语的常见句型：3. It + be + 名词词组 + ding/ 's n gd telling lies.撒谎没有好处。4. It + be + 过去分词(said/reprted/believed...) + is said that they have invented a new type f cmputer.据说他们发明了—种新型电脑。
It作形式主语的常见句型：5. It seems/happens等不及物动词 + that...It seems that he enjys pp sngs very much.似乎他很喜欢流行音乐。6. It takes (sb.) sme time t d sth.It takes me three hurs t get there by train.去火车去那儿花了我三个小时。
It作形式主语的常见句型：7. It's n use arguing abut it.争吵是没有用的。(it为arguing abut it的形式主语)8. It's uncertain wh will cme.谁会来还不确定。(it为wh will cme的形式主语)
Answer these questins using it as the subject.1What is the weather like tday?_________________________________________________2What is the time nw?_________________________________________________
It is very cld tday.It is nice ’clck.
3What is the date tday?_________________________________________________4What is the seasn nw?_________________________________________________5Hw far is yur hme frm schl?_________________________________________________
It is Jan. 14th.It is winter.It it tw kilmetres.
Put the wrds in the crrect rder t make meaningful sentences.1nw/fr supper/it/time/is_________________________________________________2autumn/in Australia/nw/it/is_________________________________________________
lt is time fr supper nw.lt is autumn in Australia nw.
Put the wrds in the crrect rder t make meaningful sentences.3abut five kilmetres/it/is/t the park_________________________________________________4windy/was/it/yesterday_________________________________________________
It is abut five kilmetres t the park.It was windy yesterday.
It is difficult fr her t get up n winter mrning.(It + be + 形容词 (fr sb.)+ t d sth./ding sth. that...)
It's kind f her t help that man.(It + be + 形容词 (f sb.)+ t d sth./ding sth. that...)
It is a pity that he has made such a mistake.(It + be + 名词词组 + ding/ that...)
It is said that she lived t be ver 100.(It + be + 过去分词(said / reprted / believed...) + that...)
It happens that they were absent. (It seems/happens等不及物动词 + that...)
It tk him all night t d his hmewrk.(It takes (sb.) sme time t d sth.)
We can als use it as the empty subject f a sentence t replace a t-infinitive.
It's imprtant t stick with it.
It tk a lng time t build the huse.(= T build the huse tk a lngtime.)It is wrng t pay n attentin t Kevin. (=T pay n attentin t Kevin is wrng.)It is nt a gd idea t sit arund and wrry abut the fld.(=T sit arund and wrry abut the fld is nt a gd idea.)
We can als use it as the empty subject in the fllwing sentence pattern：It seems / appears that seems/appears that nbdy is paying any attentin t the fld.
Language pints
1. It is clear / cmmn knwledge/ … that …It is cmmn knwledge that swimming is ne f the best frms f exercise. 大家都知道游泳是最好的锻炼方式之一。2. It is said / reprted / … that …It is said that this medicine can alleviate pain. 据说这种药物能够缓解疼痛。
3. It is a pity that …It is a pity that we shuld nt meet last night. 真遗憾我们昨天晚上没有见过面。4. It desn’t matter + if/wh-从句It desn't matter if yu win r lse. 你是赢是输都无所谓。
Write a sentence using it and a t-infinitive under each picture belw.
1calm/stay/fire/imprtant________________________________________________________
It is imprtant t stay calm when there is a fire.
2frest/start/fire/dangerus________________________________________________________
It is dangerus t start a fire in the frest.
3take/umbrella/gd idea________________________________________________________
It is a gd idea t take an umbrella.
4have/park/picnic/nice________________________________________________________
It is nice t have a picnic in the park.
put the wrds in brackets in the crrect rder t cmplete the cnversatins.
1S1:Lk at the sky. There are many dark cluds, and the wind isblwing strngly.S2:__________________________________________________(it/seems/a typhn/that/cming/is)2S1:Is yur father ging t Beijing tday?S2:N. _______________________________________________(it/appears/has been cancelled/the flight/that)
It seems that a typhn is cming.
It appears that the flight has been cancelled.
3S1:Mary lks very sad. ________________________________________________.(it/seems/smething bad/her/that/has happened t)S2:l heard that her sn died in the fld.
It seems that smething bad has
happened t her
1.T learn Chinese well is nt easy fr freigners.It is nt easy fr him t learn Chinese well.2. T keep up with the rapid pace f change is difficult.It is difficult t keep up with the rapid pace f change. 3. T inhale pisnus gas is dangerus.It is dangerus t inhale pisnus gas.
Rewrite the sentences belw.
4.It is interesting t cmpare their situatin and urs. T cmpare their situatin and urs is interesting.5. It is easy t miscnstrue cnfidence as arrgance. T miscnstrue cnfidence as arrgance is easy.6. It is safe t give the mney t the bank fr keeping. T give the mney t the bank fr keeping is safe.
1. 他今天好像不怎么舒服。It seems that he is nt quite himself tday. 2. 他们好像和朋友在一起。It seems that they are tgether with their friends. 3. 有时，时间如流水，一去不复返。Smetimes it seems that time is flying.
Translate the sentences.
4. 他似乎一点也不想卖书。It seems that he is nt interested in selling any bks at all. 5. 似乎是他杀了这个男人。It appears that he killed the man. 6. 我们现在只是找到了一个方向。It appears that we've fund a way t d that.
(　)1. She finds ____ bring ____ at hme.A. it; stayingB. that; being stayedC. this; t stayD. it; stayed(　)2. The dctr thught ____ gd fr yu t have a hliday.A. thisB. thatC. neD. it(　)3. ____ is unhealthy t g t schl withut eating breakfast..A. ThatB. ThisC. ItD. There
Chse the crrect answers.
Key pints: Use it as the empty subject;Use it t replace a t-infinitive;Sme cmmn pattern abut it as the empty subject.
1. 整理本课的语法笔记。2. 观察生活，结合实际，用新学的语法描述十件事情。