Unit2 How often do you exercise?知识点归纳与练习Section A知识讲解%1.help with housework 帮助做家务1.help with sth.意为"帮助做某事"2.help sb. with sth. = help sb. _______ sth.帮助某人做某事Eg: I often help him ______ h is English. = I often help him __________ English.【拓展】1.help oneself to...请随便吃/喝•• Please help yourself to some cakes.2.can% help doing sth情不自禁做某事I can't help falling in love with that girl.我情不自禁爱上那个女孩。
%1.housework意为“家务劳动”。
不可数名词。
1.They have ____ housework to do. A. many B. much%1.sometimes 有时辨析：sometimes , some times , sometime , some timesometimes 有时候。
=at times= from time to time 也是"有时'‘的意思。
some times几次。
time作数名词时作“次数”解；表示“时间”时是不可数名词。
sometime某个时候。
可指过去或将来的某个时候。
some time 一段时间。
常与for连用。
对它提问用how long o口诀记忆：分开“一段时间”；相聚“某个时候”。
%1.hardly ever几乎不|比较：hard、hardly 和hardly ever©hard作形容词时'，意为“困难的；硬的；勤奋的；严厉的；苛刻的”。
hard 作副词常用来表示程度，意为“努力地；猛烈地；剧烈地”，|位于动词后。
This ground is too hard to dig. 这块地太硬，挖不动。
They tried hard to succeed. 他们努力工作，以求得成功。
%1Hardly副词，意为“几乎不”，表示否定意义，位于实义动词之画,系动词、助动词、或情态动词之后，不表示频率。
常用来修饰表示能力的词，如can, could等。
He can hardly play football.他几乎不会打篮球。
There is hardly any coffee left.几乎没有剩余的咖啡了%1hardly ever是频率副词，"几乎不；几乎没有”，相当于almost not, seldom o%1.exercise1.vt. u锻炼、运动"。
一How often do you exercise?2.0-锻炼、运动”，常与动词take连用。
Exercise ______ m e keep healthy. 运动使我保持健康。
John likes taking exercise in the open air. 约翰喜欢在户外锻炼。
3•目"练习；操”。
We do morning _____ e veiy day. 我们每天做早操。
%e the Internet用互联网use sth. to do sth.用某物做某事1 use a knife to cut bread.我用刀切面包。
短语：on the Internet在网上，surf the Internet网上冲浪,上网%1.Whafs your favorite...? =What... do you like best?你最喜欢的... 是什么？l.____________________________________________________ Whafs your favorite animal?你最喜欢的动物是什么？二______________________7k. free意为"空闲的，有空的”反义词busy。
be free意为“闲着，有空” eg:： He is free now.他现在有空。
拓展：free还可译为“免费的” Eg： The tickets are free.票是免费的。
九.quite full很忙，相当忙.1.adj. full还可译为“满的，充满的”。
反义词是empty,意为“空的雹Eg： The bus was full when they got there.翻译 ______________ .拓展：A be full of B. = A be filled with B; A 中充满了B。
The room is full of students. The bus is full of people.The hall is _____ people. A. fill with B. full with C. filled of D. filled with2.full adj. u饱的”。
其反义词是hungry,意为“饥饿的"。
Are you hungry or full?你饿了还是饱了？Eg： I can't eat any more, I am quite full.我不能再吃了，我相当饱了。
十.maybe "也许，大概，可能”，常位于句首。
Eg： There are at least 1,500 students in our school. __________________十二.how often意为“多久一次”，常用于对时间频率的提问。
回答可用once/twice/three times a day（一天一/两/三次），sometimes（有时），never（从不），very often（经常）等。
How often do you watch TV? 你多久看一次电视？十三.look、see、watch 和read 辨析：look为不及物动词，后接宾语时须用介词at,指看的动作。
see着重于看的后果，即“看到，看见”。
read多指“看书、报”，这里的“看”实为“读”。
watch表示“注视，观看，监视”之意。
也常用于“看电视，看比赛”等短语中Section B%1.want sb. to do sth.的否定形式为want sb._____ to do sth.Eg： She wants me to bring him some pens. 否定：She wants me __ him some pens.1.want sth.想要某物2.want to do sth.想要做某事3.want (sb.)to do sth.=would like/love (sb.)to do sth.%1.be good for意为"对 ... 有益”。
反义词为be bad for M对 . 有害”。
Eg: Vegetables are good for you.蔬菜对你冇好处。
【拓展】l.be good to"对…好”，其反义短语为be bad to“对…不好”。
2.be good at-在…方面擅长”，at后面常接名词、代词或动词・ing形式，同义短语为do well in oShe is good at English and Chinese. = She does well in English and Chinese.她擅长英语和汉语。
I am good at _________ (play) basketball.3・be good with “和…相处得好；擅于和…相处”。
Are you good with children? 你和孩子们相处得好吗？%1. 1. health n・健康，叵意为“健康(状况尸，常用于“be ingood(poor/bad)health^^ 短语中，表示"身体好(不好尸。
My grandparents are both in good health.我祖父母身体都很好。
2. healthy adj.健康的unhealthy a巧.不健康的%1.ask sb. about sth. u询问某人关于某事”Eg:I asked my teacher about today's homework.E. Here are the results.这是(调查)结果。
here位于句首，句子要倒装。
Here is +单数名词。
Here are +复数名词.Eg： Here is your jacket.这是你的夹克。
%1.find + 宾语 + 名词，发现：We have found him (to be) a good boy.find + 宾语 + 形容词，发现：He found the room dirty.%1.1.百分数由percent表示，基数词+percent,常用“数词+ percent of+名词"这一结构作主语时，谓语的单复数耍看percent of后跟的名词，如果是可数名词复数，谓语应该用复数，如果是不可数名词，谓语应该用单数Thirty percent of the students ______ (like) watching game shows.70 percent of water _______ （be ）salty water（盐水）。
八.not... at all M一点儿也不，根本不”, not和be、助动词或情态连用。
Eg： I don't know about it at all.对那件事我一点也不知道。
The story isn^ interesting at all. The old man can't use the computer at all. 拓展：not at all = you are welcome意为"不用谢,不客气"。
Eg： -Thank you for your help. -Not at all.九surprised惊奇的，感到意外的1.be surprised at sb. / sth. / doing sth.对…感到惊奇We are surprised at the news.2.be surprised to do sth.对做某事感到惊讶Fm very surprised to meet you here.3.be surprised that + 从句.因…感到惊讶I'm suiprised that he came here on time.【拓展】surprising令人惊讶的to one9s surprise令某人惊讶的是in surprise惊讶地；吃惊地十.the answers to questions问题的答案the way to sp 去某地的路H—・ most students = most of the students 大多数学生1.most +复数名词.Most birds can fly.大多数鸟儿会飞. _________ 大部分时间2.most of + 限定词+复数名词most of the girls , most of my friends3.most of + 人称代词宾格most of them / us_____ the students like reading the story. A. Most B. Most of4.the +most +多音节形容词，表示最高级，意为“最”。