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八年级英语上册Unit2Howoftendoyouexercise知识点总结(新版)人教新目标版课件.doc

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PAGE PAGE . Unit 2 How often do you exercise? 一、词组 go to the movies 去看电影 look after=take care of 照顾 surf the internet 上网 healthy lifestyle 健康的生活方式 go skate boarding 去划板 keep healthy=stay healthy 保持健康 eating habits 饮食习惯 take more exercise 做更多的运动 the same as 与什么相同 once a month 一月一次 be different from 不同 twice a week 一周两次 make a difference to 对什么有影响 how often 多久一次 although=though虽然 as for 至于 activity survey活动调查 do homework做家庭作业 do housework做家务事 eat less meat 吃更少的肉 junk food垃圾食物 be good for 对什么有益 be bad for对什么有害 want to do sth 想做某事 want sb to do sth想某人做某事 try to do sth 尽量做某事 come home from school放学回家 of course=certainly=sure 当然 get good grades 取得好成绩 some advice 一些建议 most of the students=most students 大多数学生 shop=go shopping=do some shopping 购物 exercise=take (much) exercise=do sports 锻炼 help sb to do sth=help sb with sth 帮助某人做某事 a lot of vegetables=many vegetables 许多蔬菜 hardly=not nearly/almost not 几乎不 keep/be in good health保持健康 二、词汇精讲 1、 always、usually、often、sometimes、hardly ever和never always、usually、often、sometimes、hardly ever和never是英语中最常见的频度副词。 (1)always 的频度为100%,表示动作重复、状态继续,中间没有间断,意思是“总是”、“永远地”。 The sun always rises in the east and sets in the west. 太阳总是东升西落。 (2)usually 的频度为70%左右,意为“通常”、“平常”,即很少有例外。 He usually goes to bed at ten o’clock. 他通常10点钟睡觉。 (3)often 的频度为50%左右,意为“常常”,但不如usually那么频繁,表示动作重复,中间有间断。 He is often late for school. 他上学经常迟到。 (4)sometimes 的频度为20%左右,意为“有时”,表示动作偶尔发生。可以位于句首,以示强调。多用于一般现在时。 It is sometimes hot and sometimes cold. 天气忽冷忽热。 Sometimes he does it this way and sometimes he does it that way. 他有时这样做,有时那样做。 (5)hardly ever 的频度为5%左右,意为“几乎不”、“偶尔”,表频率,位置是“行前be后”。 I hardly ever go out these days. 这些天我几乎不出门。 (6)never 的频度为0,意为“从来不”、“永不”。 My parents are never late for work. 我父母上班从来不迟到。 【拓展】 (1)这些副词在句子中的位置基本相同,一般放在助动词、be动词或情态动词之后,行为动词之前。即:“行”前“助(系)”后。 Peter is always late for school. Peter上学总是迟到。 I usually do
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