新概念英语第二册第44课ppt课件

1、Lesson 44 Through the forest,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 save ones breath 省省力气 take a deep breath,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 th

2、e woods 在森林里,in possession of = own He is in 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,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,返回主页,动名词,用法,1、作主语,Picking apples is m

3、uch 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。,返回主页,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：,返回主页,动名词,3、作表语,His favorite sport is playing basketball .,4、作定语,shopping basketball finishing line,返回主页,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,返回主页,2、动名词的习惯用语：,

4、a. Its no use doing sth.,b. cant help doing sth.,c. feel like doing sth.,d. be busy doing sth.,e. No doing,返回主页,【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： S