新概念英語第二冊第44課ppt課件

1、Lesson 44 Through the forest,risk n. 危險，冒險 n. 危險，風(fēng)險,breath n. 呼吸 1)上氣不接下氣 out of breath 2)白費口舌 waste ones breath 3)屏住呼吸 hold ones breath 4)口臭 bad breath save ones breath 省省力氣 take a deep breath,edge n.,at the edge of.在.的邊緣 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. (常用復(fù)數(shù))內(nèi)有的物品 contents of the bag 包里的東西,非謂語動詞,動名詞,基本形式,特點,動詞原形 + ing,1、具有名詞、動詞的一些特征。,2、有時態(tài)和語態(tài)的變化,返回主頁,動名詞,用法,1、作主語,Picking apples is m

3、uch better than having classes.,2、作賓語,（1）只能接動名詞做賓語的動詞有miss, finish, mind, keep, practice, enjoy, 等。,返回主頁,動名詞,（2）既可接動詞不定式又可接動名詞作賓語的動詞有兩類：,返回主頁,動名詞,3、作表語,His favorite sport is playing basketball .,4、作定語,shopping basketball finishing line,返回主頁,注意兩點,1、動名詞的 復(fù)合結(jié)構(gòu)為：,名詞所有格,形容詞性物主代詞,+ 動名詞,c,返回主頁,2、動名詞的習(xí)慣用語：,

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,返回主頁,【Special Difficulties】 catch and run catch主要意思是“抓住、捉住、逮住”，但有時可以表示“（及時）趕上、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詞可以表達(dá)“追趕，逃跑”等多種含義： S