1、Unit 2 Natural disasters 突破语法大冲关突破语法大冲关 动词不定式作定语和结果状语 概述：不定式作定语表示未做的事情。不定式作状语通常表示目 的、结果和原因。 观察例句 写出下列句中不定式的作用 She is always the first to come and the last to leave. _ Have you got a letter to write？ _ Do you have the ability to read and write in English？ _ He is such a good teacher as to be respecte
2、d by all his students. _ He rushed to the station only to find that the train had left. _ 作定语 作定语 作定语 作结果状语 作结果状语 归纳拓展 (一)不定式作定语 1不定式作定语，置于被修饰词之后，常表示未发生的动作。 The car to be bought is for his sister. 要买的这辆车是给他姐姐的。 2如果是不及物动词，其不定式后面需有相应的介词。 The Greens have a comfortable house to live in. 格林一家有一幢舒适的房子可以居住
3、。 3有时，尽管是及物动词并且还带了宾语，如不定式所修饰的 名词/代词是不定式动作发生的地点或动作发生所使用的工具等， 该不 定式后仍需有适当的介词。 Lets first find a room to put our things in. 咱们先找个房间放东西。 4 中心词是序数词或被序数词(the first， the second)、 最高级、 the last，the only 等修饰时，用不定式作定语。 She was the first woman to win the gold medal in the Olympic Games. 她是第一个在奥运会上获得金牌的女性。 5way
4、，promise，plan，offer，decision，ability，warning 等抽 象名词后常用不定式作定语。 She said she had no plans to go there. 她说她没有去那里的打算。 即学即练 1 单句语法填空 His first book _(publish)next month is based on a true story. There is no one _(look)after her. She is now looking for a room _(live)in. For 25 days，she never left her baby
5、，not even to find something _(eat)! to be published to look to live to eat (二)不定式作结果状语 不定式作结果状语时表示谓语动作的结果。 What have I said to make you so excited? 我说了什么使你这么激动？ 温馨提示 下列结构的不定式可构成结果状语：too.to do， enough to do，so/such.as to，only/just to do。 I arrived at the shop only to find Id left all my money at home
6、. 我到了商店，结果发现我把钱落在了家里。 The boy is old enough to go to school. 那个小男孩足够大可以上学了。 He is too weak to do the work. 他身体太弱了不能做这项工作。 即学即练 2 Dinosaurs have completely died out on the earth， never _ (see)again. He got home only _(learn)that his grandfather was ill. When a new day breaks， the walls have given up
7、their heat and are now cold enough _(cool)the house during the hot day. to be seen to learn to cool .单句语法填空 1 As it was too deep _(climb)down， I hanged my gun to one of the men and slid down it. 2Only this man was strong enough _(lift)the heavy stone. 3The question _(discuss)next year has something
8、important to do with our daily life. to climb to lift to be discussed 4Here are simple ways _(keep)your nearly lost friendship alive. 5Sixteen years earlier，Pahlsson had removed the diamond ring _(cook)a meal. 6Lets find a knife _(cut)it with. 7The government encourages farmers to grow corn instead
9、of rice _(improve)water quality. to keep to cook to cut to improve 8The girl was too nervous _(walk)farther when she saw the snake. 9With a lot of homework _(do)，I cant go skating with you. 10He was surprised _(inform)of the news. to walk to do to be informed .短文语法填空 There is a wonderful story about
10、 a young girl who had no family and no one 1._(love)her. One day，2._(feel)very sad and lonely，she was walking through a grassland when she noticed a small butterfly 3._(catch)in a thorny bush.The young girl carefully released the butterfly.Instead of 4._ (fly)away，the little butterfly changed into a
11、 beautiful fairy. to love feeling caught flying “In return for your wonderful kindness， ”the good fairy said to the girl， “I will give you any wish that you would like 5._(get).”The little girl thought for a moment and then replied， “I want to be happy.” 6_(lean)toward her，the fairy whispered in her
12、 ear and then disappeared. With the little girl 7._(grow)up，there was no one in the land happier than she was.Everyone wanted to make themselves 8._(tell)the secret of happiness by her.She would only smile and answer， “The secret of my happiness is that I listened to a good fairy when I was a little
13、 girl.” to get Leaning growing told When she was dying，the neighbors all gathered around her， 9._(fear)that her unbelievable secret of happiness would die with her.So they begged her 10._(tell)them what the good fairy said.The lovely old woman simply smiled and said， “She told me that everyone， no matter how old or young，how rich or poor，had need of me.” fearing to tell
