请帮忙造5个现在完成时的句子, 并将这几句变成否定句和疑问句.
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1 I have been here for 3 days.我已在这儿呆了三天.Have you been here for 3 days?I haven't been here for 3 days.
2 I have heard about it.我听说过这个了.Have you heard about it?I haven't heard about it.
3 We have learned 1000 words so far.我们目前已学了1000个单词.Have you learned 1000 words so far?We haven't learned 1000 words so far.
4 I have spent the money.我已把这钱花掉了.Have you spent the money?I haven't spent the money.
5 I have lived here since 1990.从1990年开始我就在这儿住了.Have you lived here since 1990?I haven't lived here since 1990.
2 I have heard about it.我听说过这个了.Have you heard about it?I haven't heard about it.
3 We have learned 1000 words so far.我们目前已学了1000个单词.Have you learned 1000 words so far?We haven't learned 1000 words so far.
4 I have spent the money.我已把这钱花掉了.Have you spent the money?I haven't spent the money.
5 I have lived here since 1990.从1990年开始我就在这儿住了.Have you lived here since 1990?I haven't lived here since 1990.
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