Adverbs are very active in English sentences. They can be used at the beginning, in the middle and at the end of a sentence. But they cannot be placed wantonly. There are some rules for them to obey. Only several kinds of adverbs can be used at the beginning. Most ones can be put either mid-position or at the end of a sentence. The position of adverbs used in a sentence are decided by the form of verbs and the kind of the adverbs