本资料来自于资源最齐全的21世纪教育网www.21cnjy.com
八年级上Units 1到 2
重难点精讲
考点一They often go to the movies.他们常常去看电影。(P2)
【用法归纳】频度副词的用法
常见的频度副词有often, always, usually, sometimes, hardly, never。
◆often意为“常常”,不如usually那么频繁。如:
He is often late for school.他上学经常迟到。
◆always意为“总是”,表示动作或状态中间没有间断。如:
The sun always rises in the east and sets in the west.太阳总是东升西落。
◆usually意为“通常”,即很少有例外。如:
He usually goes to bed at ten o’clock.他通常10点钟睡觉。
◆sometimes意为“有时”,表示动作偶尔发生,可以位于句首,表示强调。如:
Sometimes he does it ( http: / / www.21cnjy.com ) this way and sometimes he does it that way. 他有时这样做,有时那样做。21世纪教育网版权所有
◆hardly意为“几乎不,简直不”,常和ever连用,表示强调。如:
I hardly ever go out these days.这些天我几乎不出门。
◆never意为“从来不,永不”。如:
My parents are never late for work.我父母上班从来不迟到。
考点二—How often do you watch TV 你多久看一次电视?
—I watch TV every day. 我每天都看电视。(P2)
【用法归纳】辨析how often, how soon, how long与how far
这些都是由how组成的副词短语,区别在提问的对象上,区别如下:
◆how often“多久一次”,常用于对 ( http: / / www.21cnjy.com )often,always,usually,sometimes,never,hardly (ever),three times a day,once a week,every day等表示“频度”的副词或短语进行提问,表示“多长时间一次,是否经常”。如:21cnjy.com
—How often do you go hiking with Pat 你每隔多久和Pat去远足一次呢
—Once a week. 每周一次。
注意:how many times 意为“几次”,仅用于询问次数,其答语常用twice, three times等。如:2·1·c·n·j·y
—How many times did you go to Beijing 你去过北京几次?
—Only once. 仅一次。
◆how soon“多久以后”,一般用在将 ( http: / / www.21cnjy.com )来时态(或表示将来时的句子)中,往往对“in加时间段”等进行提问,表示某一动作要多长时间后才能完成或发生。如:
—How soon will Finding Nemo be on show 《海底总动员》多久之后会上映?
—In a few days. 几天以后吧。
◆how long“多长时 ( http: / / www.21cnjy.com )间”,谓语动词须是延续性动词,常用于对“for加时间段”或“since加时间段加ago”等时间短语进行提问;另外,how long还可以用于对物体长度进行提问,意为“多长”。 如:21·世纪*教育网
—How long will the meeting last 会议将持续多长时间?
—Three hours.三个小时。
How long is the stick 这根棍子有多长?
◆how far“多远”,用于对距离进行提问。如:
The new supermarket is three kilometres away from here.(对画线部分提问)
How far is the new supermarket from here 新的超市距离这儿多远?
考点三I try to eat a lot of vegetables. 我努力吃大量的蔬菜。(P5)
【用法归纳】 辨析try to do something与try doing something
这是 try的两种用法,在意思和用法结构上的区别如下:
◆try to do somethin ( http: / / www.21cnjy.com )g意为“努力做某事”,等于try one’s best to do something,否定形式为:try not to do something“努力不做某事”。如: 21*cnjy*com
Try to improve your English. 努力提高你的英语。
◆try doing something意为“试着做某事”。如:
Try pushing the door if you can not pull it open. 如果您拉不开门,试着推它吧。
考点四A lot of veget ( http: / / www.21cnjy.com )ables help you to keep in good health. 大量的蔬菜能使你保持健康。(P6)【来源:21cnj*y.co*m】
【用法归纳】keep的用法
keep意为“保持”,常用于以下结构:
◆keep加somebody加doing something结构,doing作keep的宾语补足语,意为“让某人一直做某事”。如:【出处:21教育名师】
I am sorry for keeping you waiting. 对不起让你久等了。
◆keep(on) doing something意为“继续做某事,一直做某事”。如:
She kept (on) working although she was tired. 她虽疲劳但仍继续工作。
◆keep(somebody) from doing something意为“阻止某人做某事”。如:
The noise keeps me from sleeping. 这噪音使我无法入睡。
◆“keep加somebody或s ( http: / / www.21cnjy.com )omething加宾语补足语”意为“使什么继续处于某种状态”,其中形容词、副词、介词短语或动词的过去分词作宾语补足语。如:【版权所有:21教育】
This sweater will keep you warm. 这件毛衣会使你暖和点。
八年级上 Units 3到4
重难点精讲
考点一 I hope I can forget all my problems. 我希望我能忘记所有的烦恼。(P17)
【用法归纳】 辨析forget to do something与forget doing something(2010年陕西25题考查)www.21-cn-jy.com
这是forget的两种用法,区别主要在意思和用法结构上:
◆forget to do something“忘记要去做某事(未做)”。如:
The light in the offic ( http: / / www.21cnjy.com )e is still on. He forgot to turn it off. 办公室的灯还亮着,他忘记关了。(没有做关灯的动作)【来源:21·世纪·教育·网】
◆forget doing ( http: / / www.21cnjy.com ) something“忘记做过某事(已做)”。如:He forgot turning the light off.他忘记他已经关了灯了。 (已做过关灯的动作)www-2-1-cnjy-com
【知识拓展】
类似的用法还有:reme ( http: / / www.21cnjy.com )mber to do something“记住要去做某事(未做)”;remember doing something“记得2-1-c-n-j-y
做过某事(已做)”。如:
Please remember to come tomorrow. 请记住明天来。 (未做)
I remember talking about it with you yesterday. 我记得昨天和你谈过它。(已做)
考点二 “I just finishe ( http: / / www.21cnjy.com )d making my last movie”, she says.她说:“我刚刚完成了我最后一部电影”。(见P17)21教育名师原创作品
【用法归纳】finish的用法
finish是及物动词,意为“完成”,后常接名词、代词或动名词形式,不能接不定式。如:
Have you finished your homework 你完成作业了吗?
So far, he has fini ( http: / / www.21cnjy.com )shed reading more than one hundred books. 到目前为止,他已经读完一百多本书了。21教育网
考点三—How does Bob get to school 鲍勃是怎么到学校的?
—He takes the train.他乘坐火车。(P19)
【用法归纳】常见交通表达方式take a或the加交通工具
in或on a或the加交通工具
by加交通工具
walk或ride或drive或fly to加地点名词
如:take a或the bus ( http: / / www.21cnjy.com )坐公共汽车; on foot步行; on a或the bike 骑自行车; in a或the train 乘火车; by plane等于by air乘飞机; drive home 开车回家; fly to Japan乘飞机去日本。注意下列转换:21*cnjy*com
He takes the train t ( http: / / www.21cnjy.com )o school.等于He goes to school by train.等于He goes to school in the train.他坐火车去学校。
She rides her bike ( http: / / www.21cnjy.com ) to school.等于She goes to school by bike.等于She goes to school on her bike.她骑自行车去上学。
考点四That takes about ten minutes. 那需要花费大约十分钟。(见P21)
【用法归纳】辨析take, spend, pay和cost
这四个词都有“花费”之意,但用法和花费的主体不同。
take的主语一般为it(形式主语)。It takes或took somebody加time to do something。
Spend的主语一般为人,somebo ( http: / / www.21cnjy.com )dy spend或spends加money 或 time on something; somebody spend或spends加money 或 time (in) doing something。
Pay的主语一般为人,somebody pay或pays加money for something。
Cost的主语一般为物,som ( http: / / www.21cnjy.com )ething cost或costs somebody加money如:I spent eight dollars on the book.21·cn·jy·com
等于I spent eight dollars (in) buying the book.
等于I paid eight dollars for the book.
等于The book cost me eight dollars.我买这本书花了八美元。
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