外研版高中英语必修1module5alessoninalab第一课时

外研版高中英语必修1module5alessoninalab第一课时内容摘要：

A certain percentage of your salary is by the employer as an ensurance payment. away out back up 解析 考查词义辨析。 keep back扣留； keep away离开，远离； keep out 避开； keep up维持。 C to(过去 )常常 „„ I never used to enjoy science,but last year I changed schools,and the science teachers at my new school are excellent. 我过去从未喜欢过理科，但是去年我转学了， 我新学校的理科教师都非常优秀。 (回归课本 P49) 观察思考 I used to go to work on foot,but now I drive there. 我过去常常是步行上班，现在我开车去。 You used to see a lot of her,didn’t you/usedn’t you? 你过去经常见她，是吧。 易混辨异 used to/would 二者均含有过去做某事的意义。 (1)used to暗含和现在的情况对比，强调现在不 再那样了。 (2)would指过去的习惯，常常做某事，不和现在 进行比较。 如： He used to be a doctor,but now a lawyer. 他过去是一名医生，现在是一名律师。 I would sit under a big tree in front of my house as a child. 孩提时我经常坐在我家房前的大树下。 归纳拓展 (1)used to表示过去经常发生的动作或存在的状 态，暗含现在不再这样。 (2)used to的否定式有两种，即： used not to do和 did not use to do。 疑问式也有两种，即： Used+主语 +to do...?和 Did+主语 +use to do...? (3)be/get used to doing be used to do be used as...被用作 „„ 活学活用 —— 用 use的适当短语填空 I be a middle school teacher,but I resigned in the year my office in that school is used as the school clinic, and I have my new job already. used togot used to supposed to理应；应当 I am going to try to go to either Montreal or Ottawa University,as both are supposed to have good Physics Departments. 我要尽量去上蒙特利尔大学或渥太华大学，因 为这两所学校都有很好的物理系。 (回归课本 P49) 观察思考 Why are you still at home? You are supposed to have gone to school. 你怎么还在家。 你早应该去学校了。 What makes you suppose him to be connected with them? 什么使你想到他和他们之间的联系。 Look,suppose/supposing you lost your job tomorrow,what would you do? 哎，假设明天丢掉了工作，你会怎么办。 归纳拓展 (1)suppose作及物动词，意为“认为，想”。 后 可接从句，可用作插入语，还可接不定式的复合 结构。 作及物动词时，意为“假定，设想”，有时还可 用来提出建议，表示“ „„ 怎么样”，多用于祈 使句，后面的从句多用虚拟语气形式 should do, 有时 should可以省略。 (2)be supposed to do表示“应该，应当”。 不 定式有时可用完成时或进行时。 (3)suppose/supposing引起条件状语从句，相当 于 if的作用，意为“如果，假设”。 活学活用 (1)Everyone wear a seat belt in the car. supposed to to supposed to 解析 be supposed to do...理应做。