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1)过去分词作状语，其逻辑主语要与主句主语保持一致，两者之间为“被动关系”，从句可转换成“连词＋过去分词”形式。连词有while, when, as, though, although, unless, if, once等。
2)过去分词本身就表示被动，作状语时无需使用being done结构；若分词表示的动作明显发生在句子谓语动词之前，可以使用________结构。
3)其否定式在________前加not。
May I have you attention please? I have a few things to tell you.
your
When you have ∧ class here in the language lab, please be here a little early.
a 或改calss为classes earlier
Change your shoes before enter the lab. Don't bring anything here besides your
entering或enter前加you
textbooks. When you are in, please don't touch these machine without permission.
machines
Always do as the teacher tell you to. In class you should only speak the English,
tells
not Chinese. Recorders can be used ∧ make a copy of the listening materials.
to
When class ∧ over, turn off your machines and leave the lab one by one.
is
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第二节 短文改错（每小题1分）
此题要求改正所给短文中的错误。如无错误，在答题卡相应的位置上画一个勾(√)；如有错误(每行只有一个错误)，则按下列情况改正：
此行多一词：把多余的词写在答题卡相应的位置上，用斜线(\)划掉；
此行缺一词：在答题卡相应的位置上写出该加的词，并附带前(后)词；
此行错一词：在答题卡相应的位置上写出该错词和改正后的词。
It’s a story happened five years ago. Li Hua, who lived in the ⒈________
city, came to visit her uncle in our village. She and me became ⒉________
good friend. One day, I went to her uncle’s to do homework ⒊________
with her. But she wasn’t in. I found beautiful clock on her bed. ⒋________
I became very curiously and took it to have a look. Since I ⒌________
have never seen a clock before, I touched it here and there. ⒍________
But suddenly, I found the clock wasn’t working. I felt worrying ⒎________
and wanted to run away. But I didn’t. Later on that day, I told ⒏________
Li Hua that I had broken her clock. She smiled at me, saying ⒐________
that her little cousin had dropped it onto the ground this morning ⒑________
and it had stopped working since then.
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短文改错（每小题1分）
此题要求改正所给短文中的错误。如无错误，在答题卡相应的位置上画一个勾(√)；如有错误(每行只有一个错误)，则按下列情况改正：
此行多一词：把多余的词写在答题卡相应的位置上，用斜线(\)划掉；
此行缺一词：在答题卡相应的位置上写出该加的词，并附带前(后)词；
此行错一词：在答题卡相应的位置上写出该错词和改正后的词。
It’s a story happened five years ago. Li Hua, who lived in the ⒈________
city, came to visit her uncle in our village. She and me became ⒉________
good friend. One day, I went to her uncle’s to do homework ⒊________
with her. But she wasn’t in. I found beautiful clock on her bed. ⒋________
I became very curiously and took it to have a look. Since I ⒌________
have never seen a clock before, I touched it here and there. ⒍________
But suddenly, I found the clock wasn’t working. I felt worrying⒎________
and wanted to run away. But I didn’t. Later on that day, I told ⒏________
Li Hua that I had broken her clock. She smiled at me, saying ⒐________
that her little cousin had dropped it onto the ground this morning ⒑________
and it had stopped working since then.