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3页

Do exercise 1 on page 54 and try to find out the rules.

Keys to the questions: The single words are seldom, rarely, never, occasionally, often. (A B A) The phrase is every now and then. ( B) The phrase is in China. (B)