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(共31张PPT)
译林版
初中英语 译林版八年级下册
Unit 6
Period 3
Grammar
新课导入
Look and say
1. It is fantastic to work as a volunteer.
2. It is great for us to work closely with the special athletes.
3. It is nice of you to come and see me.
1
2
能熟悉并正确运用本课时的重点单词和短语。
能掌握和区分It is + adjective + to-infinitive、It is + adjective+for … +to-infinitive和It is + adjective+of … +to-infinitive的用法。
1. It's good _________ Lily to become a teacher.
A. to B. as C. for D. on
2. It is _________ to finish your homework on time.
A. funny B. interesting C. necessary D. unnecessary
3. It is meaningful that _________.
A. to join the walk B. join the walk
C. for us to join the walk D. we join the walk
预习检测
C
C
D
4. It's easy for Eddie ________.
A. that eats the whole cake B. to eat the whole cake
C. eat the whole cake D. that he eats the whole cake
5. It is kind _________ you to help me.
A. of B. for C. at D. with
B
A
知识梳理
Language Points
donate ... to ... 捐……给……
e.g. It's kind of you to donate these clothes to Project Hope.
你真好，把这些衣服捐给希望工程。
1. It's helpful to donate money to charities.
把钱捐给慈善机构是有益的。
donate money to charities
给慈善机构捐钱
donate blood to people in need
给有需要的人献血
experience 经验，经历
表示经验时是不可数名词，表示经历时是可数名词。
e.g. The greatest teacher is experience.
经验是最好的老师。
Please tell us your experiences in America.
请你告诉我们你在美洲的经历。
2. Do you need experience
你需要经验吗
have trouble (in) doing sth. 做某事有麻烦
e.g. Do you have trouble in learning English
你在英语上有困难吗
3. Do you have any trouble talking to people with intellectual disabilities
你和有智力障碍的人交谈有困难吗？
相关短语：
have no trouble in doing sth. 做某事没困难
have some trouble in doing sth. 在做某事方面有些困难
“It is + adjective (+ for .../of ...) + to-infinitive”句型
句型 含义 举例 说明
It is + adjective + to do something 做某事是……的 It is interesting to go fishing.钓鱼真有趣。 该句型中的形容词表示不定式所具备的特征或客观情况。如：
cheap、convenient、dangerous、difficult、easy、exciting、expensive、important、interesting、necessary、normal、possible、useful、wonderful。
句型 含义 举例 说明
It is + adjective + for somebody + to do something 对某人来说做某事是……的 It is necessary for me to help him.对我来说帮助他是必须的。 基本同“It is + adjective + to do something”句型，for引出逻辑主语。
It is + adjective + of somebody + to do something 某人做某事真是/太……了 It is clever of him to solve the problem.他真聪明，解决了这个难题。 该句型中的形容词描述的是人的特征、品质。如：brave、careless、clever、foolish、generous、good、helpful、honest、kind、nice、polite、silly、stupid、wrong。
It is + adjective + for... + to-infinitive和It is + adjective + of... + to-infinitive的区别：一般来说，be后面接表示事物特征特点的形容词(如easy, hard, heavy, necessary, important等)，介词用for；如果be后面是指人的性格品质的形容词(如brave, careful, clever, cruel, foolish, good, honest, kind, rude, wise等)，一般用介词of。
注意：“It is + adjective + of somebody + to do something”句型中，of后的宾语与动词不定式之间存在逻辑上的主谓关系，一般都可以转换成一个以of后的宾语为主语的句子。
如：It is foolish of them to do so. 他们这样做真是愚蠢。
They are foolish to do so.
It is + adjective + to-infinitive
We use “It is + adjective + to-infinitive” to express what we think about something. 我们用“It is + adjective + to-infinitive”来表达我们对某事的看法。
It is adjective to-infinitive
It is fantastic to work as a volunteer.
important to support the Special Olympics World Games.
It is + adjective + to-infinitive意思是“做某事是……的”，it是形式主语，无意义 ，真正的主语是后面的to-infinitive。该句型中的形容词表示不定式所具备的特征或客观情况。如：cheap, convenient, dangerous, difficult, easy, exciting, expensive, important等。
Amy is thinking about what she can do to help society. Help her use the words in brackets and those in the box to make sentences.
donate give help keep plant take care of
_____________________________
(right/seats/the elderly/to)
It's right to give seats to the elderly.
_____________________________________
(good/blind people/cross the road)
It's good to help blind people cross the road.
donate give help keep plant take care of
________________________________
(helpful/money/to charities)
It's helpful to donate money to charities.
______________________________
(proper/a lost pet)
It's proper to take care of a lost pet.
_______________________________
(important/more trees)
It's important to plant more trees.
______________________________
(necessary/parks/clean)
It's necessary to keep parks clean.
活动小结
通过以上的活动，我们学习了It is + adjective + to-infinitive：
我们用It is + adjective + to-infinitive来表达我们对_______的看法。
某事
探究二
It is + adjective+for … +to-infinitive
We use “It is + adjective + for ... + to-infinitive” to specify who we are talking about. 我们用“It is + adjective + for ... + to-infinitive”表示我们正在谈论的人。
It is adjective for someone to-infinitive
It is important for people to learn good manners.
difficult Li Hai to win the competition.
possible her to work for the charity on Saturday.
It is + adjective +for sb.+ to-infinitive意思是“对于某人来说做某事是……的”，其中sb.与不定式之间存在逻辑上的主谓关系。此句型中的形容词与事物的特征有关，表示客观情况。常见的有：easy, difficult, hard, important, dangerous, possible, interesting 等。
Tip:
We can use a noun, a proper noun or pronoun after for.
Simon is a volunteer now. He works for people with intellectual disabilities. Amy is asking him about his plete their conversation with the phrases in the box.
easy for people fantastic for me
important for us impossible for them necessary for volunteers wonderful for you
Amy: Why do you want to be a volunteer
Simon: Because any help would mean a lot. Many organizations provide help for people with intellectual disabilities, but it's (1) ___________________ to do their work one-to-one without the help of volunteers.
Amy: It's (2) __________________ to be a volunteer. Do you need experience
Simon: No. It's not (3) ____________________ to have any experience, but it's very (4) ______________ to be kind and friendly.
impossible for them
wonderful for you
important for us
necessary for volunteers
Amy: What are your tasks
Simon: I'm in the sports group. I chat with them, help them practise and make sure they're safe. I think it's (5) ______________ to work with these special people.
Amy: Do you have any trouble talking to people with intellectual disabilities
Simon: Yes, a little. We need to be more patient. However, it's very (6) _______________ to make friends with them.
fantastic for me
easy for people
We can use _________________
(subject pronouns, object pronouns) after for.
object pronouns
活动小结
通过以上的活动，我们学习了It is + adjective + for ... + to-infinitive：
我们用It is + adjective + for ... + to-infinitive表示我们正在谈论的_______。
当堂检测见DCF课件
人
探究三
It is + adjective+of … +to-infinitive
We use “It is + adjective + of ... + to-infinitive” to express what we think of someone's actions. 我们用“It is + adjective + of ... + to-infinitive”用来表达我们对某人行为的看法。
It is adjective of someone to-infinitive
It is kind of these volunteers to work in their spare time.
brave him to take part in the competition.
It is + adjective + of... + to-infinitive意思是“某人做某事真是/太……了”，该句型中的形容词描述的是人的特征、品质等。常用形容词有：brave, careless, clever, foolish, generous, good, helpful, honest, kind, nice, polite, silly, stupid, wrong等。 　　
Mr Wu wants to know what the Class 1, Grade 8 students think about the actions below. Help them organize their thoughts by rearranging the words below to form sentences.
1. careless/the tap/the boy/to/it is/running/leave/of
__________________________________________________
2. the girl/it is/bad/of/pick flowers/in the park/to
__________________________________________________
3. wrong/it is/of/drop litter/to/the people/everywhere
__________________________________________________
4. of/kind/it is/to/donate blood/the young man/to people in need
__________________________________________________
5. smoke/to/not right/it is/the man/of/in public places
__________________________________________________
It is careless of the boy to leave the tap running.
It is bad of the girl to pick flowers in the park.
It is kind of the young man to donate blood to people in need.
It is wrong of the people to drop litter everywhere.
It is not right of the man to smoke in public places.
活动小结
通过以上的活动，我们学习了It is + adjective + of ... + to-infinitive：
我们用It is + adjective + of ... + to-infinitive用来表达我们对__________ 的看法。
某人行为
当堂检测
用of或for或/填空。
1. Is it meaningful ______ to protect the environment.
2. It's helpful ______ him to help the old woman carry the basket.
3. It's necessary ______ to be friendly to animals.
4. It's careless ______ him to make so many mistakes.
5. It is hard ______ me to learn English well.
6. It is difficult ______ him to deal with the problem.
/
of
for
/
of
for
重点单词和短语：
donate, charity, organization,
one-to-one, blood, donate ... to ...
It is + adjective + to-infinitive：
我们用It is + adjective + to-infinitive来表达我们对_______的看法。
It is + adjective + for ... + to-infinitive：
我们用It is + adjective + for ... + to-infinitive表示我们正在谈论的_______。
It is + adjective + of ... + to-infinitive：
我们用It is + adjective + of ... + to-infinitive用来表达我们对__________的看法。
Unit 6
Period 3
某事
人
某人行为

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