‘It is’ + adjective + ‘of’…+ ‘(not) to’-infinitive & Period 4 Grammar (1) ‘It is’ + adjective + ‘of’…+ ‘(not) to’-infinitive & Verb ‘to be’ + adjective + ‘enough’ + ‘to’- infinitive

Grammar A It is + adj. + of sb.+ (not) to do

Revision What star sign are you? What is your characteristics?

You are kind. You like to take care of others. It is kind of you to take care of others.

You are generous. You like to buy your friends nice gifts. It is generous of you to buy your friends nice gifts.

You are polite and elegant. You love beautiful things, peace and do not like to argue with others. It is polite, elegant of you to love beautiful things, peace and not to like to argue with others.

Sometimes you are silly and do not forgive others for their fault. It is silly of you not to forgive others for their faults.

It is + adj. + of sb.+ (not) to do =You are +adj. + to do

Join the sentences together 1.You are kind. You help me with my homework. →It’s kind of you to help me with my homework. 2.Sandy is careless. She makes a lot of mistakes. →It’s careless of Sandy to make a lot of mistakes. 3. She is ? . She cares only about herself. →It’s selfish of her to care only about herself.

Join the sentences together 4.He is silly. He doesn’t forgive others for their faults. →It’s silly of him not to forgive others for their faults. Daniel is ? . He doesn’t show off in front of his classmates → It’s modest of Daniel not to show off in front of his classmates.

Complete the conversation (Part A on Page13) It is ______ thoughtful of Andy to play his CDs for us.=? to make (2) It is clever of Amy __________ the birthday cards.=? of (3) It is wise _____ Suzy to bring ballons of all colours.

generous to give (4) It is ________ of Sandy _______ each of us two presents.=? to eat (5) It is _______ of Eddie _______ the whole birthday cake.=? selfish (6) It is kind of your mum and dad __________ this party for us.=? to organize

Discussion e.g. It is kind of you to help me. =You are kind to help me. It is important for us to learn English. =To learn English is important for us.

foolish, silly, careless, possible, interesting, hard, 描述行为者的性格品质的形容词 nice, kind, good, wrong, clever, foolish, silly, careless, generous, selfish, polite, … + of It+is+ adj. +sb.+(not) to do sth. important, necessary, impossible, possible, interesting, hard, difficult, easy, … +for 描述整个不定式的情况如何或怎样的形容词

be+ adj.+ enough + to do sth. Grammar B be+ adj.+ enough + to do sth.

What is the star sign’s characteristics? He is patient. He can wait without getting angry. He is patient enough to wait without getting angry. He is kind. He likes to take care of others. He is kind enough to like to take care of others.

be + adj. + enough + to do sth. =be + so + adj. + that-clause

Daniel is kind enough to help his friends at all times. kind Complete Part B on page 14 1.to/Daniel/at all times/is/help his friends/enough (less able class) 2.To be/Andy/a leader/is/enough Daniel is kind enough to help his friends at all times. kind Andy is energetic enough to be a leader. energetic

3.friends/Amy/enough/is/to make/ easily 4.is/enough/Kitty/to be/an artist 5.to/Simon/buy gifts/enough/is/for all of us Amy is outgoing enough to make friends easily. outgoing Kitty is creative enough to be an Artist. creative Simon is generous enough to buy gifts for all of us. generous

Pay attention to differences among : too…to; …enough to; so…that… and the exchanges.

The boy is not old enough to join the army. so + adj.+ that -clause… too + adj. + to do sth. 1). “太……而不能……”, 2). 否定意义 3). 形容词后面跟不定式. The boy is too young to join the army. adj. + enough to do sth. 1). “足够…… 以致于能够……”, 2). 肯定意义 3). enough在这作副词,修饰形容词时要后置, 其后也跟不 定式.(enough用作形容词修饰名词时, 前后置都可以.） The boy is not old enough to join the army. so + adj.+ that -clause… 1). “如此……以致于能够……” 2). 肯定意义 3). 形容词后面跟表示结果的状语从句. The boy is so young that he can’t join the army.

Notice e.g. The room is too small to hold so many people. 用 enough to 和 so…that 代替 too…to 时, 要用否定句形式. 同时, enough所在句中的形容词要用原句中形容词的反义词. e.g. The room is too small to hold so many people. = The room is not big enough to hold so many = The room is so small that it can’t hold so many people.

ⅠTranslation: 你把报纸拿给我真是太好了。 It’s nice/kind of you to bring me the newspaper. 2. 你的父母亲为我们组织这个晚会真是考虑周到。 _______________________________________ this party for us. It’s thoughtful of your parents to organize 3. 比利能想出这么多好点子真是富有创造性。 ideas. _____________________________with so many good It’s creative of Billy to come up 4. 对他来说要解决这个问题是很困难的。 It’s _______________________________ problem. 5.她没有犯任何错误真是太细心了。 It’s ____________________________ any mistakes. difficult for him to solve the careful of her not to make

? It’s selfish of her not to think of It’s important for us to 6. 她不想到别人真是自私。 _______________________________ others. It’s selfish of her not to think of 7. 学英语对于我们来说是很重要的. ____________________ learn English. It’s important for us to 8. 对于学生们来说每个星期都进行测验是没有必要的。 _____________________________ tests every week. It’s unnecessary for students to have ? It’s + adj. + of/for + sb. + (not) to do sth.

Ⅱ. Change the following sentences without change their meaning Kitty dances for two hours every day. She is active. (同义句) _____ _____ _____ Kitty ____ _____ for two hours every day. It’s active of to dance 2. It’s impossible that we spend too much time on hobbies. (同义句) It’s ________ ___ ___ ___ spend too much time on hobbies. impossible for us to

3.Amy is so outgoing that she can make friends easily. outgoing enough to make 4.Our teachers are patient enough to spend a lot of time explaining things to us. so patient that Our teachers are ___ ______ ____ they spend a lot of time explaining things to us. enough必须置于所修饰的形容词之后 ‘enough to’可以与‘so … that’ 互换