2016-2017学年 外研版 必修2 Module6 Films and TV programmes grammar课件 (5)
2016-2017学年 外研版 必修2 Module6 Films and TV programmes  grammar课件 (5)第4页

Grammar---Conclusion

表确切频率:daily, weekly, monthly, yearly, twice a week/ month/ year, etc.. 表不确切频率:always, often, usually, sometimes, occasionally, frequently, continually, repeatedly, once, ever, never, rarely, seldom, etc..