新概念第二册第44课课件ppt.ppt

Lesson 44 Through the forest,Discuss,Do you have a school trip? If you get a chance, what place will you choose for the coming trip? Which place is the safest, a forest, a mountain, a park, or a sea?,Enjoy the story and find out the answer,What was Mrs. Ann doing in the forest? What happened to her? What do you think of her?,【New words and expressions】,n. forest n. risk n. picnic n. edge n. strap n. possession n. breath v. mend n. contents,1.森林 2.危险，冒险 3.野餐 4.边缘 5.带，皮带 6.所有 7. n.呼吸 8. 修理 9. (常用复数）内有的物品,risk n. 危险，冒险 n. 危险，风险,breath n. 呼吸 1)上气不接下气 out of breath 2)白费口舌 waste ones breath 3)屏住呼吸 hold ones breath 4)口臭 bad breath 5)save ones breath 省省力气 6)take a deep breath breathe v breathe in/ breathe out,edge n.,at the edge of.在.的边缘 It is dangerous to stand at the edge of the cliff. forest in the forest/in the woods 在森林里,in the possession of=own He is in the possession of a beautiful car. in ones possession =in the possession of sb. The car is in the possion of him.,contents n. (常用复数)内有的物品contents of the bag 包里的东西,Mrs. Anne Sterling did not think of the risk she was taking when she ran through a forest after two men.,安 斯特林夫人在,go down 接着往前走,不用回头 up to可以表示地点、时间等“一直到”,Repeat: What did Mrs. Anne Sterling do?,Two men had rushed up to her while she was _ at eh edge of a forest with her children. She _ a forest after two men. In the _, the strap _ and Mrs. Sterling _ so angry that she _ them. She was soon _, but she _ to run. When she _ them, she _ that two men had sat down and were going through the contents of the bag, so she _ them.,having a picnic,ran through,struggle,broke,got,ran after,out of breath,continued,caught up with,saw,ran straight at,非谓语动词,动名词,基本形式,特点,动词原形 + ing,1、具有名词、动词的一些特征。,2、有时态和语态的变化,动名词,用法,1、作主语,Picking apples is much better than having classes.,2、作宾语,（1）只能接动名词做宾语的动词有miss, finish, mind, keep, practice, enjoy, 等。,动名词,（2）既可接动词不定式又可接动名词作宾语的动词有两类：,动名词,3、作表语,His favorite sport is playing basketball .,4、作定语,shopping basketball finishing line,注意两点,1、动名词的 复合结构为：,名词所有格,形容词性物主代词,+ 动名词,c,2、动名词的习惯用语：,a. Its no use doing sth.,b. cant help doing sth.,c. feel like doing sth.,d. be busy doing sth.,e. No doing,4、在love，like，prefer等动词后，用不定式和动名词意义有所区别。 hate,love,like+doing sth. 表示一种习惯(always) hate,love,like+to do sth. 表示某一次性的行为(now) would love /like to do sth. 表示想要, 习惯于在前面加 would 餐厅服务员习惯会问: “Would you like to?”，而不会用 “Do you like?”，他只关心你现在想吃什么,而不管你平常吃什么。 I hate to do sth. 不喜欢 I hate to say I have no money , but I really need some. 说明这个人要向你借钱了 I hate to say but I really have something important to do.,你想拒绝别人的邀请时可用的句型 preferto结构中只能用动名词 Why dont you drive to work instead of walking? I prefer walking to driving. 5、在need，want之后，动名词形式具有被动的含义，相当于被动的不定式： 如果以物体做主语，可以直接加动词-ing，表达被动的含义 My shirt is torn. It needs mending. 我的衬衫撕破了, 需要缝补. Those windows are dirty. They want washing. 那些窗户很脏, 需要洗刷,【Special Difficulties】 catch and run catch主要意思是“抓住、捉住、逮住”，但有时可以表示“（及时）赶上、追上”等： He ran quickly to catch the last bus home. When she caught up with them, she saw that they were going through the contents of the bag. run的本意是“跑”，后面加上不同的小品词可以表达“追赶，逃跑”等多种含义： She has run off with all his money. The man ran away with her bag.,动名词 1、动名词可以做主语、宾语、介词宾语等 Washing the car made me tired.（主语） Before leaving the office, he gave me a book.（宾语） I am very keen on cycling.（介宾） 2、动名词还可以用于“动词+介词”之后 I am used to getting up early. 我习惯早起. 比较：I used to get up early but I dont anymore. 我过去常早起, 但现在不再早起了。,Key structures,Think of, think about, think over take / run a risk (of doing sth. )/ in sth. go through a forest/city/field/park/the window ; go across the road/bridge run after / run straight at / run away ; rush = run quickly up to at the edge of steal sth. from sb. / thief ; rob sb. / some places Of