1. 常见的时间副词：常见的时间副词有now, then, soon, ago, recently, lately, later, finally, before, early, today tomorrow, yesterday, tonight, suddenly, immediately, already, just 等。
2. 时间副词在句中的位置
(1) 表确定时间的副词(如today, yesterday等)通常位于句末，有时也位于句首。
例如：He went home yesterday. / Yesterday he went home. 他昨天回家了。
而那些表示非确定时间的副词(如 soon, recently, suddenly等)除可用于句末或句首外，还可位于句中(通常位于实意动词之前，动词be、助动词、情态动词之后)。
例如：
He went to Paris recently. / He recently went to Paris. / Recently he went to Paris. 最近他去了巴黎。
(2) still, already, just 等几个表示时间的副词通常位于句中(实意动词之前，动词be、助动词、情态动词之后)。
例如：①He's just left for school. 他刚刚去学校。
②I have already finished my work. 我已经做完了工作。
当要表示强调时，still和already也可位于动词be、助动词等之前。
例如：①She was still [still was] beautiful at the age of forty. 她到了40岁仍然很美。
②I already have told him about it. 我已经把情况告诉他了。
still若用于否定句，则总是位于助动词之前。
例如：I still don't understand what you mean. 我还是不明白你的意思。
另外，still 和already 还可位于句末，表示惊奇。
例如：①Are you on page one still? 你还在看第1页？
②Is your mother back already? 你妈妈就已经回来了？