?1. 常見的時間副詞
常見的時間副有now, then, soon, ago, recently, lately, later, finally, before, early, today tomorrow, yesterday, tonight, suddenly, immediately, already, just 等。

?2. 時間副詞在句中的位置
(1) 表確定時間的副詞(如today, yesterday等)通常位于句末，有時也位于句首：He went home yesterday. / Yesterday he went home. 他昨天回家了。而那些表示非確定時間的副詞(如 soon, recently, suddenly 等)則除可用于句末(最常見)或句首外，還可位于句中(通常位于實義動詞之前，動詞be、助動詞、情態(tài)動詞之后)：He went to Paris recently. / He recently went to Paris. / Recently he went to Paris. 最后他去了巴黎。(2) still, already, just 等幾個表示時間的副詞通常位于句中(等幾個表示時間的副詞實義動詞之前，動詞be、助動詞、情態(tài)動詞之后)：He's just left for school. 他剛剛?cè)W校。I have already finished my work. 我已經(jīng)做完了工作。still和already也可位于動詞be、助動詞等之前：She was still [still was] beautiful at the age of forty. 她到了40歲仍然很美。I already have told him about it. 我已經(jīng)把情況告訴他了。still若用于否定句，則總是位于助動詞之前：I still don't understand what you mean. 我還是不明白你的意思。另外，still 和already 還可位于句末，表示驚奇：Are you on page one still? 你還在看第1頁？Is your mother back already? 你媽媽就已經(jīng)回來了？