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Unit 6 Sunshine for all
Grammar知识点清单
本节课三大核心考点区分
基础句型：It is + 形容词 + to-infinitive（无逻辑主语，泛泛评价一件事）
分对象句型：It is + 形容词 + for sb. + to-infinitive（形容事情难易、客观属性）
人物品质句型：It is + 形容词 + of sb. + to-infinitive（形容人的品格好坏）
一、考点 A：It is + adj. + to do 基础结构
1. 核心规则
it 是形式主语，无实际含义；真正主语是后面的 to do 不定式。
含义：做某事是…… 的（泛泛谈论这件事本身）
Work out the rule 填空答案：the to-infinitive（不定式作真正主语）
2. 课文例句
It is important to help people in need.
帮扶困难人群十分重要。
It is wonderful to watch blind children enjoy lessons.
看着盲童快乐上课很美好。
It is meaningful to work as a volunteer.
做志愿者很有意义。
3. A1 看图造句标准答案
It is right to give up seats to the elderly.
It is good to help blind people cross the road.
It is helpful to donate money to charities.
It is nice to visit an old people’s home.
二、考点 B：It is + adj. + for sb. + to do
1. 核心规则
加介词 for + 人，限定这件事针对谁；
形容词只描述事情本身客观难度、必要性，和人的品格无关；
常用形容词：important, necessary, difficult, easy, meaningful, hard
Work out the rule 填空答案：for + someone
2. 课文例句
It is important for blind children to receive education.
盲童接受教育十分重要。
It is necessary for the government to build special schools.
政府有必要修建特殊学校。
It is difficult for teachers to find good teaching ways.
老师们很难找到合适的教学方法。
3. B1 对话填空答案
meaningful for us
difficult for them
easy for me
necessary for volunteers
important for them
三、考点 C：It is + adj. + of sb. + to do
1. 核心规则
介词 of + 人，形容词直接修饰人的品质、性格；
可改写为：Sb. is + adj. to do sth.
Work out the rule 填空答案：of + someone
2. 品质类固定形容词（只能用 of）
kind, nice, helpful, thoughtful, clever, silly, careless, polite, warm-hearted
3. 同义句转换（句型转换大题）
It is kind of the teachers to work with disabled kids.
= The teachers are kind to work with disabled kids.
4. C1 短文填空答案
nice of the government
thoughtful of their families
kind of the workers
helpful of me
5. C2 段落造句答案
It is fantastic to spend time with the elderly.
It is nice to see them chatting and having fun with the workers.
It is kind of the workers to look after the elderly carefully and patiently.
It is necessary to create more homes like this.
四、三大句型对比总表（背诵核心，单选必考点）
结构 介词 形容词特点 能否改成 Sb. is adj.
It is + adj. + to do 无 泛泛评价事件 不能
It is + adj. + for sb. to do for 事情难易、客观必要 不能
It is + adj. + of sb. to do of 人的品德、性格 可以
快速区分口诀
事难必要用 for，人品好坏用 of；
单纯说事不加人，只用 It’s adj. to do。
五、单元志愿主题作文万能句型（书面表达高频）
It is meaningful for us to do voluntary work in our free time.
课余做志愿对我们很有意义。
It is kind of us to give up seats to the elderly on buses.
公交车上给老人让座，我们十分善良。
It is necessary for schools to teach students to care for people in need.
学校有必要教育学生关爱困难人群。
It is wonderful to offer help to disabled people around us.
主动帮扶身边残障人士是一件美好的事。
六、学生高频易错汇总
分不清 for /of 介词搭配（最高频错题）
It is kind for him to help.
It is kind of him to help.（kind 形容人品用 of）
It is hard of kids to learn.
It is hard for kids to learn.（hard 形容事情难用 for）
不定式 to 不能丢：It’s important help → It’s important to help
of 句型可互换主语，for 句型绝对不能互换
形容词归类记牢：difficult/easy/necessary 一律搭配 for；kind/nice/helpful 一律搭配 of
it 仅作形式主语，后面真正动作必须用 to do，不可动词原形 /doing

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