The sentence opens with an adverb.
這個句子以一個副詞開頭。
Research and Implementation of Chinese Adverb Structure in Mechanical Product Design
機械產品設計領域漢語副詞結構的研究與實現
In modern Chinese, the adverb of time have the great development.
近代漢語時期，時間副詞得到了長足發展，主要呈現出五個方面的特點：1、數量的增加；
Comparative Analyses of Summary Adverbs in Teaching Chinese as Foreign Language
面向對外漢語的都類總括范圍副詞對比分析
This paper discusses the levels of Chinese frequency adverb.
本文把頻率副詞從語義和形式上分為五級頻率值。
A Summary Review of the Studies of Adverbs in Modern Chinese
現代漢語副詞研究綜述
A Study on the Acquisition of Chinese Modal Adverbs by Foreign Students
外國學生習得漢語語氣副詞調查研究