高中英语北师大选修六课件：Unit+18+Beauty+Period+Five　Grammar+%26+Writing.pptxVIP

Period Five——;语法专题 would 与 used to ; 限定词 ;1.would与used to的共同之处 (1)would与used to都可用来表示过去经常性或习惯性的动作，常常可以换用。 When we were boys we used to/would go swimming every summer. 小时候，每到夏天我们都要去游泳。 He used to/would spend every penny he earned on books. 过去，他通常把挣来的钱全花在买书上。;(2)would与used to都不能用来表示动作发生的具体频度或具体的一段时间。 I went to France six times.我去过法国6次。 不能说： I would/used to go to France six times. 2.would与used to的主要区别 (1)used to可指过去的状态或情况，would则不能。 School children used to know the story of how Abraham Lincoln walked five miles to return a penny he’d overcharged a customer.(不能用would) 过去，学校的孩子们都知道亚伯拉罕·林肯怎样步行5英里退还多收顾客一便士的故事。;Yet，he cannot but remember China as it used to be.(不能用would) 然而，他不会不记得旧日的中国。 (2)would表示反复发生的动作。如果某一动作没有反复性，就不能用would，只能用used to。 And from that day on，as soon as the table was cleared and the dishes were gone，mother would disappear into her sewing room to practise. 从那天起，只要碗盘撤掉、饭桌一清理干净，妈妈就马上躲进做针线活的房间练习起来。(具有反复性) I used to live in Beijing. 我过去住在北京。(没有反复性);(3)used to表示过去经常性或习惯性的动作或状态现在已经结束，would则表示有可能再发生。 People used to believe that the earth was flat. 过去，人们总以为地球是扁平的。(现在已不再这样认为) He would go to the park as soon as he was free. 过去，他一有空就去公园。(现在有可能再去) (4)used to的否定式和疑问式： ①过去我不喜欢歌剧。 I used not to like opera. I usedn’t to like opera. I didn’t use to like opera.;②过去你喜欢歌剧吗？ Used you to like opera? Did you use to like opera? ③你过去不喜欢歌剧吗？ Didn’t you use to like opera? ④你过去喜欢歌剧，是吗？ You used to like opera，didn’t you? ⑤过去这里有座教堂，是不是？ There used to be a church here，usedn’t there?;[高考链接1] (1)The girl be shy，but is gradually getting active in group work and is more willing to express herself.(2015·湖北) (2)“Every time you eat a sweet，drink green tea.” This is what my mother tell me.(2014·浙江) (3)Ralph W.Emerson always set down new ideas that occurred to him.(2014·陕西) (4)They made up their mind that they buy a new house once Larry changed jobs.(2014·山东);(5)I still remember my happy childhood when my mother take me to Disneyland at