-可编辑修改-频率副词:一般用来表示动作发生的频率。往往放在句子中间,实义动词之前,非实义动词之后;非实义动词分为1系动词be.2助动词帮助动词构成时态(do,does,will,shall,have,had,has).3情态动词(must,can,may)。除此之外,都叫做实义动词。常见频度副词按频率大小排列如下:always(100%)>usually(80%)>often(60%)>sometimes(40%)>seldom(20%)>hardly(10%)>rarelynever(1%)1•频率副词是表示与次数,频率有关的副词,如:always(总是),usually(通常),frequently(经常)often(经常)sometimes(有时),seldom(不常),rarely(极少),never(从不)once(—次),twice(两次),等。2•频率副词等级:allthetime100%;almost,always90%;generally,usually80%;often,frequently60-70%;asoftenasnot40-50%;sometimes,attimes20-30%;occasionally,fromtimetotime10%;hardly,seldom,rarely5%;never0%。3•频率副词用在be动词后。Healwaysgetsupat6:30.他经常六点半起床。4•频率副词用在主要动词前。Myfatherusuallywalkshome.-可编辑修改-我的父亲经常步行回家。5•频率副词用在助动词与实义动词之间。Iwillalwaysloveyou.我将永远爱你。6.频率副词用在oughtto之间。Yououghtoftentowritetoyourmother.你应该常给你母亲写信。7•在答句中,频率副词必须放在助动词前。Doyouoftengothere?你常去那里吗?(误)Yes,Idooften.是的,我常去。(正)Yes,Ioftendo.是的,我常去。8.never(从不),seldom(很少,不常)用于句首时向子要用倒装形式以加强语气。NeverhaveIbeenthere.我从未去过那里。SeldomdoIwatchTV.我很少看电视。9.sometimes(有时)和usually(通常)可以放在句前和句末。SometinesIgotoschoolbybus.我有时坐公交车上学。Igotoschoolbybikeusually.我通常骑车上学。-可编辑修改-2用法编辑在否定句中的用法在否定句中,有的频度副词位于否定词之前或之后均可,而有的频度副词则必须位于否定词之后,还有的频度副词却必须要位于否定词之前。大致情况如下:1.频度副词usually和often可位于否定词not之前或之后。他们不常开这样的晚会。正:Theydon'toftenholdsuchparties.正:Theyoftendon'tholdsuchparties.星期日我们一般不在9点以前起床。正:Wedon'tusuallygetupbeforenineonSundays.正:Weusuallydon'tgetupbeforenineonSundays.在否定句中,频度副词用于句中或句首,有时但会导致意思不同。Hedoesn'tusuallysleepfortwodaysatatime.他很少一连睡两天。Usuallyhedoesn'tsleepfortwodaysatatime.他连续两天不睡觉是常事。2.频度副词always总是位于否定词之后,不可位于否定句之前。Thingsarenotalwayswhattheyseemtobe.夕卜表往往是靠不住的。Silencemustnotalwaysbereadasconsent.沉默并不见得一定意味着同意。3.频度副词sometimes总是位于否定词之前,不可位于否定词之后。Jimissometimesnotverypunctual.吉姆有时不太准时。Debbieissometimesnotresponsibleforwhatshedoes.黛比有时对她所做的事不负责任。位于句末的用法〔.sometimes常可用于句末。女卩:-可编辑修改-Youcan'tworkallthetimWeallgetintotroublesometimes.我们有时都会遇到麻烦。itdoesyougoodtogooutandenjoyyourselfsometimes.你不能总是工作,有时出去放松一下会对你有好处。2.often有时可置于句末,但通常会带有very,quite,fairly,more,so等修饰语。如:We'vebeentherequiteoften.经常去那里。WhenIwasyoung,Iusedtoplaytennisveryoften.我年轻时经常打网球。Dianausedtotravelalot.Thesedaysshedoesn'tgoawaysooften.娜过去经常旅游。这些天她不常出门了。We'renotexactlyonintimateterms,butweseeeachotherfairlyoften.虽算不上关系密切,但还常见面。注:有时也可不带修饰语,但主要见于否定句或疑问句。女卩:Hewritestomeoften.他经常给我写信。Doyoucomehereoften?你常来这儿吗?Idon'tcomehereoften.我不常来这儿。3.usually有时也用于句末,其前不用修饰语。I'mnotlate,usually.我通常不迟至卩。IgetpaidonFridaysusually.我通常在星期五领工资。4.seldom一...