初中沪教牛津版（2024）Section 2 Exploring and applying rules (Grammar)评课课件ppt

这是一份初中沪教牛津版（2024）Section 2 Exploring and applying rules (Grammar)评课课件ppt，共32页。PPT课件主要包含了学习目标， 新课导入， 应用实践， 回顾总结， 随堂小练， 学习理解， 迁移创新， 考点速递，学习内容等内容，欢迎下载使用。
Learn t say! Using the structure “it is +adj +f/fr t d” t help yu!
imprtant prtect
It is imprtant fr us t prtect giant pandas.
necessary, save, endangered animals
It is necessary fr us t save endangered animals.
cruel, kill, wild animals
It’s very cruel f peple t kill wild animals.
Learn t say! Using the structure “adj +enugh +t d” t help yu!
strng, carry the bxes.
They are strng enugh t carry the bxes.
ld, g t schl by themselves
They are ld enugh t g t schl by themselves.
A Using it as an empty subject(1)
When the subject f a sentence is a lng infinitive expressin, we usually start the sentence with the empty subject it and put the infinitive expressin at the end.
Read the passage abut prtecting animals in danger. Pay attentin t the sentences in bld. Explain what it refers t in each f the sentences in bld.
There are mre and mre peple n this planet, and this is harming theenvirnment. It is nt easy fr many animal species t survive. I nce watched a vide abut illegal hunting. In the vide, sme hunters killed a tiger. It was very cruel f them t d s. What is wrse, thse peple als make a lt f mney frm this. I think it is wrng f them t sell prducts made frm animals in danger. It is imprtant fr us t prtect nature. My friend and I have jined a lcal envirnmental grup. This weekend, we will cllect mney fr a wildlife charity. My uncle has ffered t drive us t the event. It is very kind f him t help!
It’s impssible fr us t get alng with her.=T get alng with her is impssible.
（1）在句型“It is + adj. + fr + n. / prn. + t + v.”中，it 是形式主语，不 定式是真正的主语。
It is imprtant fr us t learn English well.
“It is + adjective + fr + nun/prnun + t + verb”句型中，形容词通常是描述事物的，修饰的对象是动词不定式。这个句型往往用于表达对某人如果做某件事情的看法，说话时这个动作可能并未完成。
It is very nice f yu t lend me an umbrella.
“It is + adjective + f + nun/prnun + t + verb”句型中，形容词多是描述人物的性格、品质的形容词，修饰的对象是句子的逻辑主语，即f后的名词或代词。而且，在说这句话之前，句中的那个动作通常都已经完成。
1.It’s very dangerus fr children t crss the busy rad by themselves.对孩子们来说，独自穿过繁忙的马路很危险。=T crss the busy street by themselves is very dangerus fr children. 2.It’s difficult fr us t finish the wrk. 对我们来说，完成这项工作很困难。=T finish the wrk is difficult fr us.
1) 人类杀熊猫是残忍的。2) 你真好，试着救这条狗。
It’s adj + f sb t d sth
“某人做了某事，他/她是……”
It is cruel f human t kill pandas.
It is kind f yu t try t save the dg.
1.表示褒贬义的形容词有 plite, brave, flish, stupid, clever, careless等。 2.表示心情、心地善良或卑劣等的有：nice, kind, gd, friendly, generus, thughtful, unkind, naughty等。
表示人的属性的形容词:
B Using adjective +enugh +t +verb
The elephant is nw strng enugh t walk.
B adj. + enugh + t + v. 句型“smebdy / smething + be + adj. + enugh t d smething”意思是“某人或某物足够……，可以做某事”。注意enugh放在形容词后面，表示达到必要的程度。如：He is strng enugh t lift the big stne. 他强壮得足以举起这块大石头。The rm is nt big enugh t hld 20 peple. 这个房间不够大,容纳不了20人拓展：此句型的否定形式可与t... t... (太……以致于不能……), s... that... (太……以致于……)句型互相转换。如：The rm is t small t hld 20 peple. The rm is s small that it cannt hld 20 peple. 这个房间太小，容纳不了20人。
1 Read the ntes belw. Then write a shrt ntice t remind yur classmates abut hw t prtect animals in danger.
Ways t prtect animals in danger(1)learn abut the animals in danger in the area—imprtant(2)buy prducts made frm animals in danger—wrng(3)reprt any hunting f animals in danger—helpful(4)prtect the hmes f animals in danger—right Ntice (5)take care f injured animals—necessary
Let's prtect animals in danger!
(1)It is imprtant fr peple/us t learn abut the animals in danger in the area.(2)It is wrng f peple/us t buy prducts made frm animals in danger.(3)It is helpful f peple/us t reprt any hunting f animals in danger.(4)It is right fr peple/us t prtect the hmes f animals in danger.(5)It is necessary fr peple/us t take care f injured animals.
2 Ma Kai is telling Du Yun abut his trip t the z. Cmplete their cnversatin with the wrds in brackets.
Ma Kai: A by was thrwing rcks at a wild duck in the z, but I was(1) ____________________ (nt brave /tell)him t stp ding it. Then a man and a wman walked past, s I tld them what was ging n.They were(2)______________ (kind /help)me. The by ran away immediately!Du Yun: What happened t the duck then?Ma Kai: It flew away frm us. I think it came clse because it was hungry.Du Yun: Did yu see any ther animals during yur trip?Ma Kai: Yes, I saw sme sheep in the feeding area. Baby sheep are(3) ___________________(big/feed) themselves. I tk sme phts. Here! Take a lk!Du Yun: Ww! Hw cute!
nt brave enugh t tell
kind enugh t help
big enugh t feed
用以下句子后括号中的单词完成句子。
I left hme withut my public transprtatin card. It ______________________ my card. (silly/ frget)I needed sme cash, s Mary lent me ￥100. It ____________________________ the mney. (generus/ lend)A man std up and ffered me his seat n the train. It ______________________ his seat. (nice/ give)I drpped my bks, and a by picked them up fr me. It ______________________ the bks fr me.(kind/pick up)I fell dwn the stairs. It ___________________________ the stairs. (careless/ fall dwn)I met Simn, and he laughed at my new hairstyle. It _______________________ my hairstyle. (rude/ laugh at)
was silly f me t frget
was generus f her t lend me
was nice f him t give me
was kind f him t pick up
was careless f me t fall dwn
was rude f him t laugh at
3 Talk in pairs abut why we shuld help prtect animals in danger. Use the expressins belw t help yu.
It is imprtant fr us is cruel f humans are ld enugh is never t late t..
1. 理解it作形式主语的结构和意义。2. 归纳并掌握it作形式主语的相关语法知识。3. 恰当地运用It is +adjective +fr/f +nun/prnun + t + verb。4. 正确使用adjective + enugh +t +verb。
（一）选择fr或f填空。1 It is pssible _______ him t get there n time. 2 It was silly ________ yu t leave the keys at hme. 3 Is it imprtant _________ us t learn a freign language? 4 It was nice _________ her t give the seat t an ld man. 5 It was brave _________ him t save the girl. 6 It is difficult _________ such a little by t run fast. 7 Is it necessary ________ all f us t g there? 8 It was kind _________ yu t help thse pr children. 9 It was implite _______ him t leave withut saying gdbye. 10 Isn’t it cruel ________ yu t kill the bird?
(二) 单项选择。1 It’s quite easy _______ her t answer this questin.A. fr B. f C. t D. with2 The classrm is nt ______ fr mre than 40 students tgether.A. enugh large B. large enugh C. s large D. t large 3 _______ dangerus _______ children t clime high. A. It is; f B. That is; f C. It is; fr D. That is; fr4 The water in this village is nt _______.enugh clean t drink B. enugh clean drinkingC. clean enugh t drink D. clean enugh drinking 5 It’s s kind ________ her t help save the animals.A. fr B. f C. t D. with
（三）完成句子。1 这个小女孩够年龄去上学了。The little girl is _______ ________ t g t schl.2对于我们来说，三天内完成这项工作是不可能的。 _____ _____ impssible fr us ____ ______________ the jb in three days.3 保护环境对我们来说很重要。 _____ ____ very imprtant _____ _____ t prtect the envirnment. 4 她够勇敢，抓住了小偷。 It is brave _____ ______ t catch the thief. 5 这个书包太小了，装不下15本书。The schlbag is _________ small ________ carry 15 bks.
It is fr us
t t
It is t finish/ cmplete