ontime 准时，按时in time 及时at time 偶尔，当…的时候all the time 始终，一直，经常no time 无时for the first time 第一次last time 上次at the same time 同时ahead of time 提前at
另外，once a year ， twice a week ， three times a day ， every Saturday afternoon等，这些时间状语也表示频率，它们可以和频度副词用在同一个句子中，表达上没有重复。
看perhaps [pəˈhæps] adv. 可能，大概，也许知识梳理【重点单词】1.have free time有空闲时间2.allow sb. to do sth. 允许某人做某事3.hang out with sb. 与某人闲逛4. after-school classe
关于以上这两个短语，初中有一道经典句子，常作为考题:My grandpa used to live in the countryside， but he is used to living in the city now!
Swifter， higher and stronger stands for the spirit of the olympics. But fairness is the basis of this motto. Only when you win fairly will you and your homeland deserve the great glory. But nowadays， unlike the ancient honest slave competitors， some hopeless athletes who can’t bear the pain of training cheat when taking part in games. Medals seem to have magical power causing them to cheat， and the prize money has replaced the motto as their only goal.
