资源简介

(共27张PPT)
Grammar
Unit 6
Sunshine for all
Learning aims
能正确使用句型It is + adj.+ to-infinitive
能正确使用句型It is + adj.+ for … + to-infinitive
能正确使用句型It is + adj.+ of… + to-infinitive
Lead in
It is important to help people in need.
It is important for blind children to receive education.
It is nice of the government to create special schools.
Is there anything in common in the three sentences
Are there any differences
Read and answer.
Activity 1
Know how to use It is + adj.+ to-infinitive
Read the text below and pay attention to the structure of “It is + adjective + to-infinitive”. Then summarise its usage.
I think it is important to help people in need. Right now, I am volunteering at a school for blind children. It is wonderful to watch them enjoy their lessons. I really think it is a great experience. It is meaningful to work as a volunteer.
It is
adjective
to-infinitive
important
wonderful
meaningful
to help people in need.
to watch them enjoy their lessons.
to work as a volunteer.
It is + adj. + to-infinitive
基础结构：It is + 形容词 + to do sth.
核心解析：It是形式主语，无实际含义
真正主语：后面的动词不定式（to do sth.）
功能：表达对“做某事”的客观看法或评价
形容词特点：描述事情的性质、特点（如难易、好坏）
We use “it is + adjective + to-infinitive” to express what we think about something. We use __________ to refer to the real subject “to-infinitive”.
it
例句精讲+结构拆解
1. It is useful to learn a second language.
译文：学习一门第二语言是有用的。
拆解：It（形式主语）+ is useful（表语）+ to learn...（真正主语）
2. It is interesting to play basketball after school.
译文：放学后打篮球很有趣。
拆解：形式主语It替代to play...，避免句子开头过长
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 up help visit
________________________________(right/ seats/ the elderly/ to)
It's right to give up seats to the elderly.
_____________________________(good/blind people/cross the road)
It's good to help blind people cross the road.
________________________________(helpful/ money/ to charities)
_____________________________(nice/an old people’s home)
It's helpful to donate money to charities.
It's nice to visit an old people’s home.
Exercise
Talk with your partner about what you can do to help society, using “it is+adjective+to-infinitive”.
A: What can you do to help society？
B: I can do some volunteer work.
A: Could you tell us about your volunteer work
B: Sure! I volunteer at______________________.
It’s ____________to _____________________
__________.
Giving a helping hand
a school for blind children
meaningful
watch them enjoy their
lessons
Activity 2
Use It is + adjective + for ... + to-infinitive
Read the text below and pay attention to the structure of “It is + adjective + for ... + to-infinitive”. Then summarise its usage.
It is important for blind children to receive an education. So, it is necessary for the government to build special schools for them. I think it is difficult for the teachers to find good ways to teach blind children, but they have done an excellent job!
It is
adjective
someone
important
necessary
difficult
to receive an education.
to build special schools for them.
to find good ways to teach blind children.
for
to-infinitive
blind children
the government
the teachers
It is + adj. + for sb. + to-infinitive
拓展结构：It is + 形容词 + for sb. + to do sth.
核心解析：for sb. 明确“做某事的人”，即动作发出者
功能：描述“对某人来说，做某事是怎样的”
形容词特点：描述事情的客观属性（难易、重要性等）
sb. 用宾格形式（如me, him, them, us）
Summary
We can add “_________” in the structure “it is + adjective + to-
Infinitive” to specify who we are talking about.
for sb
常用形容词+例句精讲
常用形容词：important, perfect, great, exciting, easy, difficult, hard, wonderful, possible, interesting, necessary
1. It is difficult for me to finish the work on time.
译文：对我来说，按时完成这项工作很难。
2. It is necessary for students to finish their homework.
译文：对学生来说，完成作业是必要的。
解析：difficult和necessary均描述事情的客观属性
易错点提醒
易错1：for sb. 中sb.用主格（如I, he），错误
错误：It is easy for she to sing this song.
正确：It is easy for her to sing this song.
易错2：形容词用错类型，误用人的品质类形容词
错误：It is kind for him to help others.（kind描述人）
正确：It is kind of him to help others.（改用of）
Exercise
easy for me difficult for them meaningful for us
important for them necessary for volunteers
B1 Complete their conversation with the words in the box below.
Amy: Why do you want to be a volunteer
Simon: Well, there are lots of people in need, and I believe it’s (1)_______________ to provide help if we can. Charities often raise money for different groups in need, but it’s (2)_______________to work without the help of volunteers.
Amy: What do you do as a volunteer
Simon: I spend my spare time working with a charity for children without parents.
meaningful for us
difficult for them
easy for me difficult for them meaningful for us
important for them necessary for volunteers
Amy: Do you need experience
Simon: No. It’s not (3) ____________________ to have any experience,
but it’s (4) _________________to be kind and friendly.
Amy: What are your tasks
Simon: I teach the children songs and play games with them to make them happy. It’s (5) __________ to make friends with them.
necessary for volunteers
important for them
easy for me
B 2 What kind of organization would you like to volunteer for Why Talk with your partner, using “it is + adjective + for... + to-infinitive”.
I would like to volunteer at ______________________, because it is important for ________________________________. So it is necessary for __________________________________. I think it is meaningful for _____________________________________________.
a school for blind children
blind students to receive education
volunteers to help them with their study
me to spend time and share knowledge with them
Activity 3
Use It is + adjective + of ... + to-infinitive
Read the text below and pay attention to the structure of “It is + adjective + of ... + to-infinitive”. Then summarise its usage.
There are also schools for children with other disabilities. It is nice of the government to create special schools like these. It is kind of the teachers to work with these children. The students are also great.
It is
adjective
someone
nice
kind
to create special schools like these.
to work with these children.
of
to-infinitive
the government
the teachers
It is + adj. + of sb. + to-infinitive
拓展结构：It is + 形容词 + of sb. + to do sth.
核心解析：of sb. 用来评价“人的品格、行为”
功能：表达“某人做某事，真是……（品格）”
形容词特点：描述人的主观品质（善良、礼貌、愚蠢等）
sb. 同样用宾格形式，可转换为sb. is + 形容词
Summary
We can add “_________” in the structure “it is + adjective + to-
Infinitive” to express what we think of someone's actions.
of sb
常用形容词+例句精讲
常用形容词：kind, good, nice, clever, right, wrong, polite, rude, silly, helpful, generous
1. It is kind of you to help the old man cross the road.
译文：你帮助老人过马路，真是太善良了。
转换：You are kind to help the old man cross the road.
2. It is silly of him to make such a mistake.
译文：他犯这样的错误，真是太愚蠢了。
It’s important for us to keep healthy. 对我们来说，保持健康很重要。
It’s kind of you to help me. 你能帮我真是太好了。
for sb.
of sb.
形容词修饰事情：做某事怎么样（事情的难易﹑重要﹑可能等）
形容词修饰人：某人怎么样（人品﹑性格﹑行为好坏）
Here are some adjectives that fit this structure: good nice clever right wrong polite rude silly helpful generous
What are their
differences
注意：在“it is + adjective + of sb + to do sth”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of
后的宾语充当主语的句子。如：
It is kind of you share some good ideas with me. 你真好，和我分享一些好主意。
= You are kind to share some good ideas with me.
区 别
Exercise
helpful of me thoughtful of their families
nice of the government kind of the workers
C1 Complete what she says with the words in the box below.
Hi Grandma! I’ve decided to volunteer at the Sunshine Care Centre. It’s a home for elderly people. I think it’s (1)______________________ to provide elderly people with necessary care. It’s (2)_________________________ to send them
to the centre since they don’t have enough time to look after the elderly. It’s (3)___________________to take care of the elderly people. My mother thinks that it’s (4) _____________to work there. I’m sure it’ll be a great experience for me.
thoughtful of their families
kind of the workers
helpful of me
nice of the government
C2 Complete her passage below with the words in brackets.
It is (1) (fantastic/spend) time with the elderly. Some of them are so active. It is (2) ________(nice/see) them chatting and having fun with the workers.
It is (3) __(kind/the workers/look after) the elderly carefully and patiently. I think it is (4)__________________ (necessary/create) more homes like this. Volunteering to help others is great. Everyone should try it.
fantastic to spend
nice to see
kind of the workers to look after
necessary to create
C 3 Write a short text about the importance of volunteering, using “it is + adjective (+ of/for ...) + to-infinitive”.
The Importance of Volunteering
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Volunteering is warm and meaningful in our life.
It is kind of us to help others as volunteers. It is easy for students to join volunteer activities in our community. It is important for everyone to help people in need. It is helpful to clean public places and look after the old people.
When we do volunteering, we can make the world better. It is great to give love and get happiness at the same time.
Summary
it is + 形容词 + to-infinitive
用来表达对一件事的看法，it 是形式主语，真正的主语是后面的动词不定式。
it is + 形容词 + for sb. + to-infinitive
用来说明 “对某人来说，做某事是……的”，形容词通常描述事情的性质（如 important, necessary, difficult）。
it is + 形容词 + of sb. + to-infinitive
用来评价某人的行为，形容词通常描述人的品质（如 patient, brave, kind, thoughtful）。
Homework
Write some sentences with It is + adj.+ (for/of…)+to-infinitive

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