Unit 6 Section Ⅲ GRAMMAR used to和would的用法（Word教参）-【优化指导】2023-2024学年新教材高中英语选择性必修第二册（北师大版2019）

used to和would的用法 [对应学生用书P145] [观察] 1.We used to go sailing on the lake in summer. 2.I didn't use to like him much when we were at school. 3.They told me that they probably wouldn't come. 4.Hurry up! It would be a shame to miss the beginning of the play. [归纳] used to表示“过去常常；曾经；过去是(现在并不是这样了)”，没有人称和数的变化。可以与表示过去的时间状语连用；would表示过去经常性、习惯性的动作，意为“总是，惯于”。 [对应学生用书P145] 一、used to的用法 used to do中的used读\[just\]，表示“过去常常；曾经；过去是(现在并不是这样了)”，没有人称和数的变化。可以与表示过去的时间状语连用。 1.肯定式：used to It used to be believed that sugar could decay the teeth. 过去人们认为糖会腐蚀牙齿。 2.否定式：usedn't/didn't use to He usedn't/didn't use to go to work by bus. 他以前不乘坐公交车上班。 3.疑问式：Used Sb. to/Did Sb. use to ...？ Used you to/Did you use to be familiar to her? 你和她以前熟悉吗？ 4.反义疑问句：借助于did和used两种形式 He used to live and work in Shanghai，didn't he/usedn't he? 他曾经在上海工作和生活，是吗？ [即学即练]　完成句子 ①他曾经住在乡村，但现在住在上海。 He used to live in the countryside，but now he lives in Shanghai. ②我们的院子里曾经有一棵大树。 There used to be a big tree in our yard. 二、would的用法 表示过去经常性、习惯性的动作，意为“总是，惯于”，常和often,every day之类的时间状语连用。 He would come to see me when he was in Beijing. 他在北京时常来看我。 No matter what I said, he wouldn’t listen to me. 无论我说什么，他就是不愿意听。 [即学即练]　完成句子 ①他会总像这样吗？ Would he always be like this? ②他们每天下午都在一起玩。 Every afternoon they would play together. 三、used to与would的区别 1.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。 2.used to可指过去的状态或情况， would则不能。 3.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。 4.would/used to不能和表示具体频度的词(如twice, three times 等）或一段时间的词(如three months, five years等）连用。 We used to read a book every other month. 我们以前每隔一个月就读完一本书。(暗示现在不是这样了) He would go to skating on the ice. 他以前常滑冰。(现在不清楚，有可能还滑) There used to be a supermarket in front the park. 以前在公园前有一个银行。（表状态） [对应学生用书P146] 1.It is a great honor that I have such a precious opportunity to make a speech here. 2.It is impolite of you to fool a stranger. 3.It was not until midnight that they reached the campsite. 4.Please see to it that you bring enough money when you go out. 5.It is no use staying up la