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1、八年級(jí)英語Unit1 Grammar Studies新課標(biāo) 人教版III.Grammar studies (語法學(xué)習(xí))1. 表頻率的詞匯和短語: always, usually ,often ,never, hardly, ever , sometimes, seldom, once a day, twice a month , three times a week ,every two weeks, once in a while 2. 模糊頻率副詞以下些詞都是表示事情發(fā)生頻率的副詞,也是不準(zhǔn)確地說某事在一段時(shí)間內(nèi)發(fā)生的次數(shù)。always 總是usually 通常often 經(jīng)常someti
2、mes 有時(shí)hardly ever 幾乎不never 從來不例如:On weekends I always surf the Internet.I usually watch TV.I often sleep late.I sometimes listen to music. I hardly ever play puter games. I never play soccer.我們按照頻率發(fā)生的高低,可以將這幾個(gè)詞排列為always usually often sometimes hardly ever never。3精確的頻率副詞以下這些頻率副詞可以準(zhǔn)確地表達(dá)事情發(fā)生的頻率。一次 once
3、兩次 twice三次 three times四次 four times五次 five times六次 six times注意:在記憶時(shí),我們只要記住once(一次)和twice(二次)就可以了。其他發(fā)生次數(shù)只要用“數(shù)字times”來表達(dá)就可以了。例如:I drink milk and eat vegetables every day.我每天喝牛奶,吃疏菜。I exercise once a week.我每周鍛煉一次。I eat Mcdonalds twice a month.我一個(gè)月吃兩次麥當(dāng)勞。I visit my grandmother four times a year.我一年去看奶奶四
4、次。其他的表達(dá)法:every day 每天once a week 一周一次twice a month 一個(gè)月兩次four times a year 一年四次once two weeks 兩周一次twice three months 三個(gè)月兩次4.頻率副詞通常放在行為動(dòng)詞前,當(dāng)句中有情態(tài)動(dòng)詞、助動(dòng)詞或be動(dòng)詞時(shí),則放在這類動(dòng)詞后。I often see her walk in the park.(行為動(dòng)詞)We must always remember this. (情態(tài)動(dòng)詞后)5. 對(duì)頻率副詞提問的句型How often.? “how often”的意思是“多久,多長(zhǎng)時(shí)間”,用來專門詢問事情發(fā)生的明確頻率?;卮鸬臅r(shí)候,就要用到剛才我們所學(xué)的once,twice,three times,four times等等這些詞。 例如:How often do you brush your teeth? I brush my teeth twice a day. What do you do on weekends? 你周末做什么?