人教版八年级英语上册Unit1Howoftendoyourcise知识点详解和练习试卷.doc

一、知识讲授1、频度副词的含义及相关的百分比频度副词 含义 相关的百分比always总是，一直，永远 100%usually通常约80%often经常约50%sometimes有时约20%hardly ever几乎不约5%never从不02、辨析：how often, how long与 how soon how often“多久一次”，指动作的频率。how long“延续多长时间”，回答用“for”或“since”引导的时间状语。how soon“还要多久时间才”，一般用将来时态，回答用 “in”引导的时间状语。3、辨析：sometimes, some times, sometime与some timesometimes“有时”，频度副词some times“几次”，名词短语how many timessometime“某时”，副词whensome time“一段时间”，名词短语二、复习一般现在时态 （一）一般现在时的用法1、表示现在的状态： e.g: Hes twelve.2、表示经常或习惯性的动作： e.g: I get up at 6:30 every day.3、表示主语具备的性格和能力等： e.g: She likes noodles.4、表示不受时间限制的普遍真理和自然规律： e.g: Two and four is six.（二）一般现在时的具体结构1、be 动词的一般现在时的句式 肯定句：主语+be+表语(n./adj.等) e.g. He is a worker. 否定句：主语+be+ not+表语 e.g. He is not a worker. 一般疑问句：Be+主语+表语? e.g. Is he a worker? Yes, he is./No, he isnt.2、实意动词的一般现在时的句式肯定句：主语（I/We/You/They）+实义动词+其他 e.g: I stay at home on Saturdays. 主语（He/She/It）+实义动词第三人称单数形式+其他 e.g: He stays at home on Saturdays.否定句：主语（I/We/You/They）+do+ not+动词原形+其他 e.g: I dont stay at home on Saturdays. 主语（He/She/It）+does +not+动词原形+其他 e.g: He doesnt stay at home on Saturdays.一般疑问句：Do+主语（I/we/you/they）+动词原形+其他？ e.g: Do you stay at home on Saturdays? Does+主语（he/she/it）+动词原形+其他？ e.g: Does he stay at home on Saturdays? 【注意】一般现在时结构中，主语是第三人称单数时 ：第三人称单数，势单力薄，需要一个帮手，你就在动词上给它加上丝丝（s或es）力吧！ 1、一般情况直接加s e.g: reads, plays, works, makes2、以o, s, x, ch, sh 结尾的加es e.g: dodoes, gogoes, watchwatches,washwashes, brushbrushes, pushpushes 3、以辅音字母加 y 结尾的,去y变 i 加es e.g: drydries, flyflies，studystudies 4、特殊情况e.g: have has课堂训练一、根据句意以及首字母提示完成单词1、Dont you think going fishing is good for h_ .2、He is very strong bacause he often e_.3、I read English books t_ a week.4、He has many heathy h_ , such as eating fruit, playing baseball and walking after supper.5、Im not very healthy, a_ I have one healthy lifestyle.二、单项选择1、Im so tired that I can _ run. A. always B. hardly C. usually D.sometimes2、 _ do you have a sports meeting? Twice a year.A. How soon B. How often C. How long D. How far3、Father asks me _ computer games before finishing my homework. A. not play B. to play C. not to play D. to not play4、Li Lei works in England. He comes to China _. A. three time a year B. three times a year C. three times year D. three time year5、 _ homework, we do the homework on Sunday. A. As for B. As to C. As of D. As from三、按要求改写句子1、She exercise every morning. (就划线部分提问) _ _ does she exercise ?2、She often goes to the movies. (就划线部分提问)_ _ she often _ ?3、My friend watches TV twice a week. (就划线部分提问)_ _ does your friend _ TV ?4、I like junk food best. (改为同义句) My _ food _ junk food.5、I think she has a healthy lifestyle. (改为否定句) I _ _ she _a healthy lifestyle.四、用所给词的适当形式填空1、Im worried because my mother is _. ( health )2、How often _ your father _ ( drink ) wine ?3、I _ ( hard ) ever see him.4、My parents want me _ ( play ) sports every day.五、根据汉语完成句子1、做眼保健操对你的眼睛有好处。 Doing _ _ is _ _ your eyes.2、尽管我学习不好，但我从未放弃过。 _ I didnt do well in my lessons, I _ gave up.3、 他多久给你发一次电子邮件？ 一周一次。 _ _ _ he send you an e-mail ? _ a week.4、大量的蔬菜帮助你保持健康。 A lot of vegetables help you _ _ _ _ .5、或许我不健康，虽然我有一个健康的生活方式。 _ Im not very healthy, _ I have one healthy habit.6、你应该尽量少吃点肉。 You should _ _ _ _ _.六、补全对话Tina: What are your favorite sports?Ben: 1. _Tina: Now, tell me what you like to eat.Ben: Err, I like fish and eggs. But 2. _Tina: 3._Ben: Oh, yes. I love vegetables.Tina: Do you drink wine ?Ben: No, I never drink wine or coffee. 4._Tina:5._Ben: I drink a lot of milk. Its very good for my health. 选用方框中所给的句子补全对话。（有两项多