牛津深圳版八年级下 5.3 Unit 5 Grammar（课件）

(共28张PPT)
Unit 5
Save the endangered animals
Grammar
牛津深圳版八年级下册
Learn to say! Using the structure “it is +adj +of/for to do” to help you!
1
课堂导入
important protect
It is important for us to protect giant pandas.
important, save,
endangered animals
It is important for us to save endangered animals.
Learn to say! Using the structure “it is +adj +of/for to do” to help you!
Learn to say! Using the structure “it is +adj +of/for to do” to help you!
cruel, kill, wild animals
It’s very cruel of people to kill wild animals.
Learn to say! Using the structure “adj +enough +to do” to help you!
strong, carry the boxes.
They are strong enough to carry the boxes.
old, go to school by themselves
They are old enough to go to school by themselves.
Learn to say! Using the structure “adj +enough +to do” to help you!
The adjective in this sentence pattern describes (the person/the action)
Work out the rule
It is adj. for noun/pronoun to + verb
It is important for us to protect giant pandas.
good people to save endangered animals.
A Using It is + adjective + for + noun/pronoun + to+ verb
2
课堂活动
It is important for us to protect giant pandas.
例如：
It’s impossible for us to get along with her.
=To get along with her is impossible.
形式主语
真正的主语
语法讲解
（1）在句型“It is + adj. + for + n. / pron. + to + v.”中，it 是形式主语，不 定式是真正的主语。
（2）此句型中的形容词表示句中动作的特征，
如可能性、必要性、重要性、紧迫性、频繁程度以及价值判断等。 常用于这一句型的形容词有：
common，easy，right，good， (un)important， (un)necessary
(im)possible，(un)usual等。
1.It’s very dangerous for children to cross the busy road by themselves.
对孩子们来说，独自穿过繁忙的马路很危险。
=To cross the busy street by themselves is very dangerous for children.
2.It’s difficult for us to finish the work.
对我们来说，完成这项工作很困难。
=To finish the work is difficult for us.
Ways to protect endangered animals
learn about endangered animals in the area ---- important
buy products made from endangered animals ---- wrong
report any hunting of endangered animals---- helpful
protect the homes of endangered animals----right
Read the notes below. Then write a short notice to remind your classmates about how to protect endangered animals.
Protecting endangered animals:
It is important for people / us to
2. It is wrong for people/us to buy products made from endangered
animals.
3. It is helpful for people/us to report any hunting of endangered
animals.
4. It is right for people/us to protect the homes of endangered animals.
learn about endangered animals in the area.
They are strong enough to protect themselves.
B Using adjective + enough + to + verb
B adj. + enough + to + v.
句型“somebody / something + be + adj. + enough to do something”意思是“某人或某物足够……，可以做某事”。注意enough放在形容词后面，表示达到必要的程度。如：
He is strong enough to lift the big stone. 他强壮得足以举起这块大石头。
The room is not big enough to hold 20 people.
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too... to... (太……以致于不能……), so... that... (太……以致于……)句型互相转换。如：
The room is too small to hold 20 people.
The room is so small that it cannot hold 20 people.
这个房间太小，容纳不了20人。
Simon is talking about his trip to the nature park with plete their conversation with the adjectives and verbs in brackets.
Simon: Someone was throwing rocks at a duck in the
park, but I _________________________
(brave/tell) him to stop doing it. I feel really sorry about it.
Emma: That’s OK, Simon. At least, you’re
____________________ (honest/say) you
were wrong. What happened to the duck then
was not brave enough to tell
honest enough to say
Simon: It flew away from us. I think it came close because it was
hungry. Some other people in the park were ______________
(kind/give) it some food, so it was fine.
Emma: Did you see any other animals during your trip
Simon: Yes, I saw some birds, some horses and some sheep. I did a lot
of walking. I am__ ___________ (tired/fall) asleep right now!
kind enough to give
tired enough to fall
It is adj. of noun/pronoun to verb
It is cruel of them to kill pandas.
you to try to save the dog.
kind you to try to save the dog.
C Using It is + adjective + of + noun/pronoun + to + verb
The adjective in this sentence pattern describes (the person/the action)
Work out the rule
1) 人类杀熊猫是残忍的。
2) 你真好，试着救这条狗。
It’s adj+of sb to do sth
“某人做了某事，他/她是……”
It is cruel of human to kill pandas.
It is kind of you to try to save the dog.
1.表示褒贬义的形容词有 polite, brave, foolish, stupid, clever, careless等。
2.表示心情、心地善良或卑劣等的有：nice, kind, good, friendly, generous, thoughtful, unkind, naughty等。
表示人的属性的形容词:
It is important for us to learn English well.
“It is + adjective + for + noun/pronoun + to + 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 of you to lend me an umbrella.
“It is + adjective + of + noun/pronoun + to + 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of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。
What is the difference between these sentences
用以下句子后括号中的单词完成句子。
I left home without my public transportation card.
It ______________________ my card. (silly/ forget)
I needed some cash, so Mary lent me ￥100.
It ____________________________ the money. (generous/ lend)
A man stood up and offered me his seat on the train.
It ______________________ his seat. (nice/ give)
I dropped my books, and a boy picked them up for me.
It ______________________ the books for me.(kind/pick up)
I fell down the stairs. It ___________________________ the stairs. (careless/ fall down)
I met Simon, and he laughed at my new hairstyle.
It _______________________ my hairstyle. (rude/ laugh at)
was silly of me to forget
was generous of her to lend me
was nice of him to give me
was kind of him to pick up
was careless of me to fall down
was rude of him to laugh at
Below are some pictures of Helen's visit to the zoo. Write captions for the pictures.
It was clever of the monkey to wave
bad clever careless nice
lose take show wave
It was careless of Helen to lose
It was bad of the monkey to take
bad clever careless nice
lose take show wave
3
课堂小结
1.We have learned how to use It is + adj. + for + n. / pron. + to + v.
2.We have learned how to use adj. + enough + to + v.
3.We have learned how to use It is + adj. + of + n. / pron. + to + v.
（一）选择for或of填空。
1 It is possible _______ him to get there on time.
2 It was silly ________ you to leave the keys at home.
3 Is it important _________ us to learn a foreign language
4 It was nice _________ her to give the seat to an old man.
5 It was brave _________ him to save the girl.
6 It is difficult _________ such a little boy to run fast.
7 Is it necessary ________ all of us to go there
8 It was kind _________ you to help those poor children.
9 It was impolite _______ him to leave without saying goodbye.
10 Isn’t it cruel ________ you to kill the bird
for
of
for
of
of
for
for
of
of
of
4
课堂练习
(二) 单项选择。
1 It’s quite easy _______ her to answer this question.
A. for B. of C. to D. with
2 The classroom is not ______ for more than 40 students together.
A. enough large B. large enough C. so large D. too large
3 _______ dangerous _______ children to clime high.
A. It is; of B. That is; of C. It is; for D. That is; for
4 The water in this village is not _______.
enough clean to drink B. enough clean drinking
C. clean enough to drink D. clean enough drinking
5 It’s so kind ________ her to help save the animals.
A. for B. of C. to D. with
（三）完成句子。
1 这个小女孩够年龄去上学了。
The little girl is _______ ________ to go to school.
2对于我们来说，三天内完成这项工作是不可能的。
_____ _____ impossible for us ____ ______________ the job in three days.
3 保护环境对我们来说很重要。
_____ ____ very important _____ _____ to protect the environment.
4 她够勇敢，抓住了小偷。
It is brave _____ ______ to catch the thief.
5 这个书包太小了，装不下15本书。
The schoolbag is _________ small ________ carry 15 books.
old enough
It is for us
of her
too to
It is to finish/ complete
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