高中英语精品课件 过去分词作状语 (共34张PPT)

重难点辨析（二）：不表被动的特殊情况 注意：
1. Worried about the journey, I was unsettled for the first few days. 2. Exhausted, I slid into bed and fell fast asleep.
被动, 完成
7. 过去分词的变形： Having been done： 强调过去分词表示的动作明显先于谓语动作。 Being done: 强调过去分词表示的动作正在被执行。 Having been discussed many times, the problems were settled at last.
Being built now, the bridge can’t get through.
重难点辨析（一）：过去分词 VS 现在分词作状语
visiting London at night, ① When ________
you’re a bit like in a dream. visited at night, you make ② When _______ sure the visitor is really your friend.
比一比，变一变
We followed the old man, and we went upstairs. = Following the old man, we went upstairs. We were followed by the old man, and we went upstairs. = Followed by the old man, we went upstairs.
Seeing from the hill, we can see a ① ______ beautiful park. Seen from the hill, the park is ② ______ beautiful.
如果句子的主语和分词之间是主动关系, 用 _______ 现在分词； 如果句子的主语和分词之间是被动关系， 用_________ 过去分词 。
3. Though he was defeated by the young player
for the second time, he didn’t lose heart.
Defeated by the young player for the second
time, he didn’t lose heart.
② Choked by the heavy smoke, he could hardly breathe. （原因状语） ③ （If） Given more time, we would be able to do the work much better. （条件状语）
④ （Though）Left alone at home, the little boy didn’t feel afraid at all. （让步状语）
Rewrite the sentences, using the past participle as the adverbial.
1. Because it was done in a hurry, his homework was full of mistakes. Done in a hurry, his homework was full of mistakes. 2. If it is taken according to the instructions, the medicine has no side effect. Taken according to the instructions, the medicine has no side effect.
⑤ The old man went into the room, supported by his wife. （伴随或方式状语）
5.过去分词+连词 过去分词作状语，常常可以在过去分词前加 连词（when, if, though, once 等），以起到强 调的作用，使句意更加明确。
6. 过去分词状语，相当于一个状语从句。 （伴随状语相当于一个并列句）
状态
√
过去分词作状语中，被动形式表主动意义的词需要特别 注意：
① 表人的情感的使动词
常见的有： excite, surprise, amuse, interest, frighten, satisfy, disappoint,...
Disappointed at his son’s exam results, ____________ the father said nothing but asked him to work hard next time. (disappoint)
流连忘返
Revision: 现在分词做状语
一．过去分词作状语的基本用法： 被动 1. 过去分词与句子主语之间构成_______ 关系。
2. 过去分词的逻辑主语要和句子的主语一致。
3. 可置于主句前，也可置于主句后，用逗号与主句隔开。 4. 过去分词通常在句中充当以下几种状语：
① （When） Asked what had happened, he kept silent. （时间状语）
② 有些过去分词因来源于系表结构，作Leabharlann Baidu语时 不表被动而表主语的状态。
过去分词作状语
Once spoken ______, a word becomes a promise. ( speak )
一言既出, 驷马难追
Once poured ______, water cannot be taken back again. ( pour )
覆水难收
Impressed by the beautiful scenery, __________ I forgot to go back home in time. ( impress )