人教版八年级上册英语 Unit 2 知识点梳理及语法讲义（学生版）

人教版八年级上册英语Unit2知识点梳理及语法讲义（学生版）Unit2Howoftendoyouexercise?

话题：日常活动；谈论做事情的频率一、重点单词housework/ˈhaʊswɜːk/n.家务劳动；家务事（不可数）hardly/ˈhɑːdli/adv.几乎不；几乎没有ever/ˈevə(r)/adv.在任何时候；从来；曾经once/wʌns/adv.一次；曾经twice/twaɪs/adv.两次；两倍Internet/ˈɪntənet/n.（国际）互联网；因特网program/ˈprəʊɡræm/n.节目full/fʊl/adj.忙的；满的；充满的swing/swɪŋ/n.摆动；秋千v.(swung)摆动；摇摆maybe/ˈmeɪbi/adv.大概；或许；可能least/liːst/adv.最少；最小health/helθ/n.健康；人的身体（或精神）状态result/rɪˈzʌlt/n.结果；后果percent/pəˈsent/n.百分之……online/ˌɒnˈlaɪn/adj.&adv.在线的（地）；联网的（地）television/ˈtelɪvɪʒn/n.电视节目；电视机although/ɔːlˈðəʊ/conj.虽然；尽管；即使through/θruː/prep.以；凭借；穿过mind/maɪnd/n.头脑；心智body/ˈbɒdi/n.身体such/sʌtʃ/adj.&pron.这样的；那样的together/təˈɡeðə(r)/adv.在一起；共同die/daɪ/v.消失；灭亡；死亡writer/ˈraɪtə(r)/n.作者；作家二、重点短语helpwithhousework帮忙做家务readnewspapers看报纸goshopping购物exercise/doexercise锻炼gotothemovies去看电影hardlyever几乎从不onceaweek一周一次twiceamonth一月两次threetimesayear一年三次swingdance摇摆舞stayuplate熬夜atleast至少；起码atmost至多goonline上网befree有空；空闲usetheInternet使用互联网theanswerto………的答案besurprisedthat…对……感到惊讶inone’sfreetime在某人的空闲时间not…atall一点也不suchas例如；像……这样morethan多于；超过lessthan少于三、重点句型（谈论频率）—Whatdoyouusuallydoonweekends?

—Iusuallyhelpmymomwithhousework.

周末你通常做什么？我通常帮妈妈做家务。—Howoftendoyouexercise?

—Iexercisetwiceaweek.

你多久锻炼一次？我一周锻炼两次。✨Howoften用来提问动作发生的频率，回答要用频度副词或次数短语。—Howmanyhoursdoyousleepeverynight?

—Isleepeighthourseverynight.

你每晚睡多少小时？It’sgoodforhealth.这对健康有益。Althoughmanystudentslikewatchingsports,gameshowsarethemostpopular.

虽然很多学生喜欢看体育节目，但游戏节目最受欢迎。注意：although/though不能和but连用！四、核心语法：频度副词&一般现在时1.频度副词（由高频率到低频率排序）always（总是）>usually（通常）>often（经常）>sometimes（有时）>hardlyever（几乎从不）>never（从不）✅位置规则：放在实义动词前，be动词/助动词后Heoftenplaysbasketball.（实义动词前）Heissometimeslate.（be动词后）2.次数表达一次once；两次twice；三次及以上：基数词+times

threetimes三次；fivetimes五次频率结构：次数+a+时间名词

onceaday一天一次；twiceayear一年两次3.一般现在时（本单元核心）描述经常性、习惯性的动作。主语三单：动词+s/es特殊疑问句：

Whatdoeshedoonweekends?

HowoftendoesshewatchTV?五、易混知识点辨析maybe/maybe

maybe（副词，也许）放句首；maybe（情态动词+be，也许是）作谓语Maybeheislate.=Hemaybelate.health/healthy/healthily

healthn.健康；healthyadj.健康的；healthilyadv.健康地

keephealthy=keepingoodhealth保持健康atleast/atmost

atleast至少；atmost至多

Hesleepsatleast7hours.他至少睡7小时。suchas/forexample

suchas用来列举多个例子，后面不加逗号；

forexample举一个例子，后面加逗号。through/across

through：从物体内部穿过；across：从物体表面横穿六、写作范文（话题：我的周末活动）Myfreetimeactivities

Ihavelotsofactivitiesinmyfreetime.Iexercisethreetimesaweek.Ithinkitisgoodformyhealth.Ihardlyeverstayuplate.Igoonlinetwiceaweek.IneverwatchTVonschooldays.

Goodhabitshelpmekeephealthy.Ithinkweshouldhavehealthylifestyles.七、基础练习题（学生版，无答案）一、用频度副词填空（always,usually,often,sometimes,hardlyever,never）I\\\\\\\\getupat6:30everymorning.It’smyhabit.He\\\\\\\\watchesTV,becausehehasnotime.—Doyougoshopping?

—Yes,\\\\\\\\.Aboutonceamonth.二、单项选择—\\\\\\doyoureadEnglishbooks?

—Twiceaday.

A.HowmanyB.Howof