Unit3 重難點解析1. Worried about the journey, I was unsettled for the first few days. ( Reading)Spreading some food on the table, she produced a bed from the floor. (Reading)Worried about- 為過去分詞短語作狀語，表示原因，相當于 As I worried about ; Spreading some food 為 ing 形式作時間狀語。相當于After she spread some food 動詞過去分詞和在句子中作狀語時，其邏輯主語必須與句子的主語一致。一般來說，如果動詞所表示的動作與句子的主語之間是主動關系，就用形式作抓過狀語；如果是被動關系就用過去分詞作狀語。如：1) Entering the office ( = As soon as she entered the office), she shut the odor behind her.她一進辦公室，就把門關上了。2) Given more time ( = If we are given more time), we can finish the work successfully.如果再多給我們一點時間，我們就可以成功的完成這項工作。2. My first visit was to a space station considered the most modern in this part of space.considered the most modern 是過去分詞作后置的定語。一般來說單個的過去分詞作定語時，置于所修飾的詞之前；過去分詞短語作后置定語時，置于所修飾的詞之后。過去分詞作定語還要注意以下兩種情況。） 如果修飾的詞是等，過去分詞要放在所修飾詞后。 There is almost noting changed since I left the town tow years ago.從我兩年前離開這個鎮以來，這里幾乎沒有任何變化。） 過去分詞短語有時也可以用作非限制性定語，后面有逗號。如： Some of them, born and brought up in rural villages, had never seen a train.3. Neither of these creatures is easy to talk to. (Using Language)“sb. /sth. + be + 形容詞+不定式”是一個固定的句型，其中動詞不定式與句子的主語是動賓關系，不定式用主動式。能用這個巨型常用的形容詞有difficult, hard, easy, interesting , fit ,important, nice 等。The picture is pleasant to look at.這張畫很好看。The water here is not fit to drink. 這兒的水不適宜飲用。He is hard to deal with.他很難對付。過去分詞作狀語的用法關于過去分詞作定語,我們在第九單元曾做過詳細介紹，這里主要講解過去分詞作狀語的情況。過去分詞表示被動，表示動作已經完成。作狀語時，可單獨使用，也可以在其連詞的前面加上適當的連詞表示時間、原因、條件、結果、伴隨、方式等。1.過去分詞作原因狀語 Greatly inspired by the teachers words, I have made up my mind to work to English n h even harder。 在老師的鼓勵下，我決心更加努力地學習英語。 Greatly moved by the film, they all cried. 他們看了那部電影深受感動，都哭了。 Surrounded by a group of young people, the old man felt happy. 身邊圍著一群年輕人，老人感到很高興。2.過去分詞作狀語，表示伴隨情況或方式。 The trainer appeared, followed by six little dogs. 訓練員出現了，后面跟著六條小狗。 He walked up and down the room, lost in thought. 他在屋子時走來走去，陷入了沉思。 Filled with extraordinary strength, he raised himself. 他使出全身的力氣站了起來。3.過去分詞作狀語,還可以表示: Given much ti