Change the forms of the following sentenses. 句型转换。
1. I think I can swim.(变为否定句)                                                                
2. I have some books to read.(变为否定句)                                                             
3. Li Lei will drive his car to school.(对划线部分进行提问)                                                                  
4. I hurt my arm.(对划线部分进行提问)                                                                
5. will, do, for, you, what, the summer holiday.(连词成句)                                                                
把下面的句子译成汉语。

1. What did you do?
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2. I walked to school.
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3. I went to the zoo yesterday.
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4. I ate a lot of donuts this morning.
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5. I hurt my tail and broke my shoe.
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翻译。
1. May I take your picture?
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2. I hurt my nose. 
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3. Don't worry.
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4. We can help you.
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