频度副词讲解-PPT课件

rhair.4.She______plantstrees.5.She______eatsbreadforbreakfast.seldomusuallyalwaysoftensometimesadverbsoffrequency(频度副词)*Grammar?adverbsoffrequency频度副词定义:英语中always,usually,often,sometimes,seldom,never等,叫做频度副词。这类词用来表示某一动作发生的频率,或某一状态出现的频率.alwaysusuallyoftensometimesseldomnever100%总是75% 通常60%经常40%有时15%很少0从不usually(75%)>often(60%)>sometimes(40%)>seldom(15%)>never(0%)always(100%)>Makesentencesneverseldomsometimesoftenusuallyalwaysplayfootballplaybadmintongoroller-skatingdanceswimplayfootball0%100%注意:在记忆时,我们只要记住once(一次)和twice(二次)就可以了。其他发生次数只要用“数字+times”来表达就可以了。once一次两次twice三次threetimes如何精确地表达频率?e.g.?Idrinkmilkandeatvegetableseveryday.??Itakeexerciseonceaweek.??IeatKFCtwiceamonth.每天onceaweektwiceamonthfourtimesayearoncetwoweekssixdaysaweek我每天喝牛奶,吃疏菜。我每周锻炼一次。我一个月吃两次肯德基。everyday一周一次一个月两次一年四次两周一次一周六天