【正文】 ly. Working hard ,you will be successful.=If you work hard ,you will be successful. Thinking it over ,you will find the answer to the puzzle.=If you think it over ,you will find the answer to the puzzle. 狀語（現(xiàn)在分詞） They worked day and night, trying to find a solution to the question. We stayed in the cave for several nights, hoping to find the night activities of the rare monkeys The wounded tiger wandered in the forest, looking for food. 狀語（現(xiàn)在分詞） Though working hard, he still failed in the important exam. Although not having the most advanced system, they still processed the data accurately and quickly. 狀語（過去分詞） The teacher came in ,followed by his students . The old woman enjoyed the beautiful sunset near the window ,seated easily in his armchair. His father used to sit on the bench for a long time, pletely lost in thought. Finally we arrived home, tired and hungry. The boss sat back into his chair ,satisfied with his work. 狀語（過去分詞） （可與 when， while ,once ,until, till, whenever等從屬連詞連用） My little brother never does his homework until told to several time.=My little brother never his homework until he is told to several times. Heated, the metal expends .=When the metal is heated ,it expends. Seen from the top of the mountain ,the village is more beautiful.=When the village is seen from the top of the mountain ,it is more beautiful. 狀語（過去分詞） Given the chance to take part in the contest, she felt very excited.=Because He was given the chance to take part in the contest, she felt very excited. Seriously polluted ,the water in the river is not safe to drink.=Because the water in the river is seriou