1、 单元语法小专题(Grammar Focus)语法精讲频度副词1频度副词的定义：表示动作或状态出现的频率的副词叫频率或频度副词。2常见表示频率的副词有以下几个，它们的频率由高到低依次为：频率副词 意思 频率 图示always 总是；一直； 始终 100%usually 通常；经常 90%often 常常；经常 70%sometimes 有时；不时 40%hardly ever 几乎从不；很少；难得 5%never 从不；决不 0%3.频度副词在句中的位置频率副词在句中常位于 be 动词、助动词、情态动词之后、实义动词之前。sometimes 有时可位于句首或句末。如：I am always b
2、usy with my work.我总是忙于我的工作。Susan doesnt usually eat breakfast at school.苏珊在学校通常不吃早饭。He sometimes gets up at 5：30. Sometimes he gets up at 5：30.他有时 5 点 30 分起床。4表示频率的短语有：once/twice a week 一周一次/两次three times a day 一天三次every day/week/year 每天/每星期/每年【注意】表示“三次或三次以上”一般用“基数词times ”。5当对频度副词或表示事件发生频率的短语提问时，常用
3、how often，意为“多久一次” 。如：How often does Lisa go to the movies？丽萨多久看一次电影？Never.从不。6频率副词或短语常与一般现在时连用。如：I never eat meat.我从不吃肉。Jim usually does his homework in the evening.吉姆通常晚上做作业。Sally doesnt often watch TV at the weekend.沙丽周末不常看电视。How often do you eat fruit？你多久吃一次水果？语法精练.从括号内选择合适的单词或短语完成句子。1My mother
4、is very busy，so she hardly(hardly/usually) goes shopping.2We all like Jim，because he is kind and always(never/always) helps others.3I know vegetables are good for me，but I hardly_ever(often/hardly ever) eat them.4Julie never(usually/never) watches sports shows because she doesnt like sports at all.5
5、How_often(How often/How soon) do you go to the movies?Sometimes.按要求完成下列句子，每空一词。6She washes clothes every Sunday.(改为否定句)She doesnt wash clothes every Sunday.7Jack usually does his homework at school.(改为一般疑问句)Does Jack usually do his homework at school?8They go to the science club three_times_a_week(对
6、画线部分提问)How often do they go to the science club?9Frank usually listens_to_music in the evening.(对画线部分提问)What does Frank usually do in the evening?10We have English lessons on Monday，Tuesday，Thursday and Friday.(改为同义句)We have English lessons four times a week.根据汉语意思及所给提示，翻译下列句子。11夏天的下午我们通常在公园里玩。(usually)We_usually_play_in_the_park_in_the_afternoon_in_summer.12我妈妈上班从不迟到。(never)My_mother_is_never_late_for_work.13你经常在学校图书馆读书吗？(often)Do_you_often_read_books_in_the_school_library?14不要总是待在家里看电视。(always)Dont_always_watch_TV_at_home.15有时候我坐汽车去那里。(sometimes)Sometimes_I_go_there_by_car.
