时间副词的概念：

时间副词除充当状语这一基本的语法功能外，还能够不同程度地充当定语、谓语、宾语等。
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。
例如：He went to Paris recently.
He has just left for school.

时间副词：

1）表示发生时间的副词：now 现在，then 那时，just now 刚才，later 之后，right then 就在那时，right away 立刻
如：Have you got anything on tonight? 你今晚有事吗？
I have heard from her recently. 我最近收到了她的来信。
2）其他时间副词：already已经，early早，初期 finally 最后，late 晚，迟，first 首先，long 很长时间地，
如：What decision did you finally come to? 你们最后做出了什么样的决定？
Nancy got up early. 南希很早就起床了。

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。

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：
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）则除可用于句末（最常见）或句首外，还可位于句中（通常位于实义动词之前，动词be、助动词、情态动词之后）：
如：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等几个表示时间的副词通常位于句中（等几个表示时间的副词实义动词之前，动词be、助动词、情态动词之后）：
如：He's just left for school. 他刚刚去学校。
I have already finished my work. 我已经做完了工作。
still和already也可位于动词be、助动词等之前：
如：She was still[still was] beautiful at the age of forty. 她到了40岁仍然很美。
I 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：
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：
如：Are you on page one still? 你还在看第1页？
Is your mother back already? 你妈妈就已经回来了？

时间副词的用法：

一、这些副词和词组通常位于句首或句末，在祈使句中及与till短语连用时常放在句末：
如：Eventually he came. He came eventually. 他终于来了。
Then we went home. We went home then. 然后我们回家。
Write today. 今天就写。
I'll wait till tomorrow. 我等到明天。
二、before; early; immediately和late位于句末：
如：He came late. 他来晚了。
I'll go immediately.我马上就走。
三、yet和still（时间副词）：
1、yet常常位于动词或动词+宾语之后：
如：He hasn't finished his breakfast yet. 他还没吃完早饭。
如果宾语由许多词组成，yet也可位于动词之前：
如：He hasn't yet applied for the job we told him about. 他还没去申请我们跟他说的那个工作。
2、still位于be动词之后或实义动词之前：
如：She is still in bed. 她还在睡觉。
My father still remembers his first day at school. 我的父亲仍记得他上学的第一天。
Is till think he's the best player. 我仍认为他是最好的选手。

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