高二英語必修五語法知識點:第三講過去分詞作狀語。高二 英語語法知識點比較容易混淆，所以同學們想要牢固掌握住知識點，就要在題海中去慢慢領悟。

　　Worried about the journey, I was unsettled for the first few days.

　　Well-known for their expertise, his parents’ company …..

　　Confused by the new surroundings, I was hit by the lack of fresh air.

　　Exhausted, I slid into the bed and fell fast asleep.

　　過去分詞作狀語：過去分詞作狀語時，說明動作發生的背景或情況，其等同于一個狀語從句。vt 過去分詞作狀語時與主句主語構成被動關系，表示被動和完成，vi 過去分詞表示狀態或動作的完成。

　　Heated , water changes into steam .

　　The professor came in, followed by a group of young people .

　　1 作原因狀語，等于as / since / because 引導從句

　　Moved by what she said ,we couldn’t help crying . = ( As we are moved by what she said …

　　2 作時間狀語，等于when 引導時間從句，如果分詞表示的動作與謂語的動作同時發生，可在分詞前加when/ while / until 等使時間意義更明確。

　　When heated , water can be changed into steam .

　　Seen from the hill ,the park looks very beautiful .= ( When the park is seen from the hill…

　　3 作條件狀語等于 if / whether 引導從句

　　Given more attention , the cabbages could have grown better .= ( If they have been given more attention ….

　　Compared with you , we still have a long way to go = ( If we are compared with you …

　　4 作方式或伴隨狀語

　　The actress came in , followed by her fans .

　　She sat by the window , lost in thought .

　　5 作讓步狀語

　　Much tired ,he still kept on working .=(Although he was tired ,) he ….

　　6 獨立主格結構： 當分詞的邏輯主語不是主句主語時，分詞可以有自己獨立的邏輯主語，這種結構稱為獨立主格結構。常用來表示伴隨情況。

　　The boy rushed into the classroom , his face covered with sweat .

　　All things considered ,your article is of great value than hers .

　　Rewrite with proper conjunctions
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