新概念第二册第44课ppt.ppt

Lesson 44 Through the forest.DiscussDiscuss1.Do you have a school trip?2.If you get a chance,what place will you choose for the coming trip?3.Which place is the safest,a forest,a mountain,a park,or a sea?.Enjoy the story and find out the answerEnjoy the story and find out the answerWhat was Mrs.Ann doing in the forest?What happened to her?What do you think of her?.【New words and expressions】n.forest n.riskn.picnic n.edge n.strap n.possessionn.breath v.mend n.contents 1.森林森林 2.危险，冒险危险，冒险3.野餐野餐4.边缘边缘5.带，皮带带，皮带 6.所有所有7.n.呼吸呼吸8.修理修理9.(常用复数）内有的物品常用复数）内有的物品.risk n.危险，冒险危险，冒险 n.危险，风险危险，风险.breath n.呼吸呼吸 1)上气不接下气上气不接下气 out of breath 2)白费口舌白费口舌 waste ones breath 3)屏住呼吸屏住呼吸 hold ones breath 4)口臭口臭 bad breath 5)save ones breath 省省力气省省力气 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.forestin the forest/in the woods在森林里.in the possession of=ownHe 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.(常用复数常用复数)内有的物品内有的物品contents of the bag 包里的东西包里的东西 .Mrs.Anne Sterling did not think of the risk she was taking when she ran through a forest after two men.安安 斯特林夫人在斯特林夫人在.go down 接着往前走接着往前走,不用回头不用回头up to可以表示地点、时间等可以表示地点、时间等“一直到一直到”.Repeat:What did Mrs.Anne Sterling do?Repeat:What did Mrs.Anne Sterling do?1.Two men had rushed up to her while she was _ at eh edge of a forest with her children.2.She _ a forest after two men.3.In the _,the strap _ and Mrs.Sterling _ so angry that she _ them.4.She was soon _,but she _ to run.5.When she _ them,she _ that two men had sat down and were going through the contents of the bag,so she _ them.having a picnicran throughstrugglebrokegotran afterout of breathcontinued caught up withsawran straight at.非非非非谓谓谓谓语语语语动动动动词词词词动词不定式动词不定式动词不定式动词不定式动名词动名词动名词动名词11223344分词分词分词分词.动名词动名词基本形式基本形式特点特点动词原形动词原形 +ing+ing 1 1、具有名词、动词的一些特征。、具有名词、动词的一些特征。2 2、有时态和语态的变化、有时态和语态的变化.动名词动名词用法用法1 1、作主语、作主语Picking apples is much better than having classes.2 2、作宾语、作宾语（1 1）只能接动名词做宾语的动词有）只能接动名词做宾语的动词有miss,miss,finish,mind,keep,practice,enjoy,finish,mind,keep,practice,enjoy,等。等。.动名词动名词（2 2）既可接）既可接动词不定式动词不定式又可接又可接动名词动名词作作宾语的动词有两类：宾语的动词有两类：意义区分不大意义区分不大：begin,start,like,love,hate,prefer 等。等。a.a.意义不同：意义不同：remember,forget,stop,go on,try 等等b.b.动名词动名词3、作表语、作表语His favorite sport is playing basketball.4 4、作定语、作定语 shopping basketball finishing line.注意两点注意两点1 1、动名词的、动名词的 复合结构为：复合结构为：名词所有格名词所有格形容词性物主代词形容词性物主代词+动名词动名词Do you mind _the window?a.me to open b.I openc.my opening d.me openingc.2 2、动名词的习惯用语：、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、在love，like，prefer等动词后，用不定式和动名等动词后，用不定式和动名词意义有所区别。词意义有所区别。hate,love,like+doing sth.表示一种习惯表示一种习惯(always)hate,love,like+to do sth.表示某一次性的行为表示某一次性的行为(now)would love/like to do sth.表示想要表示想要,习惯于在前习惯于在前面加面加 would餐厅服务员习惯会问餐厅服务员习惯会问:“Would you like to?”，而不，而不会用会用“Do you like?”，他只关心你现在想吃什么，他只关心你现在想吃什么,而不管你平常吃什么。而不管你平常吃什么。I hate to do sth.不喜欢不喜欢 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、在need，want之后，动名词形式具有被动的之后，动名词形式具有被动的含义，相当于被动的不定式：含义，相当于被动的不定式：如果以物体做主语，可以直接加动词如果以物体做主语，可以直接加动词-ing，表达，表达被动的含义被动的含义My shirt is torn.It needs mending.我的衬我的衬衫撕破了衫撕破了,需要缝补需要缝补.Those windows are dirty.They want washing.那些窗户很脏那些窗户很脏,需要洗刷需要洗刷.【Special Difficulties】catch and runcatch主要意思是主要意思是“抓住、捉住、逮住抓住、捉住、逮住”，但有时可以，但有时可以表示表示“（及时）赶上、追上（及时）赶上、追上”等：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的本意是的本意是“跑跑”，后面加上不同的小品词可以表达，后面加上不同的小品词可以表达“追赶，逃跑追赶，逃跑”等多种含义：等多种含义：She has run off with all his money.The man ran away with her bag.动名词动名词1、动名词可以做主语、宾语、介词宾语等、动名词可以做主语、宾语、介词宾语等Washing the car made me tired.（主语主语）Before leaving the office,he gave me a book.（宾语宾语）I am very keen on cycling.（介宾介宾）2、动名词还可以用于、动名词还可以用于“动词动词+介词介词”之后之后I am used to getting up early.我习惯早起我习惯早起.比较：比较：I used to get up early but I dont anymore.我过去常早起我过去常早起,但现在不再早起了。但现在不再早起了。.Key structuresKey structures1.Think of,think about,think over2.take/run a risk(of doing sth.)/in sth.3.go through a forest/city/field/park/the window;go across the road/bridge4.run after/run straight at/run away;rush=run quickly up to 5.at the edge of6.steal sth.from sb./thief;rob sb./some places Of sth.Robber,robbery7.in the struggle/in ones possession of sb.8.so that/such that9.out of breath ;catch up with sb.10.go through=look at carefully,examine11.need to do sth.,need doing sth.