An adverb is used to modify the adjective or verb as an adverbial adjunct, it should be put before them. Verbs or even nouns ending with character "地" and functioning as adverbs remain to be regarded as adjectives. A part of adverbs can indicate time, such as "刚才", "刚刚"，"已经"，"早"， "就", "正在", "马上","一直","老是",and so on.

e.g. （1）他已经走了。 （2）他早就吃完饭了。 （3）我一直没有说话。 （4）我从来没有怀疑过他。 （5）我永远不会忘记那个人。 （6）他的病已经好了。 （7）比赛结果将在后天公布。