don’t have;haven’t和need的用法是不是当have+done组成现在完成时时才用haven’t+done?这时第三人称单数是不是要变成hasn’t+done,过去式是不是要变成hadn’t+done?是不是当have+to do或是have+sth时就用do
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![don’t have;haven’t和need的用法是不是当have+done组成现在完成时时才用haven’t+done?这时第三人称单数是不是要变成hasn’t+done,过去式是不是要变成hadn’t+done?是不是当have+to do或是have+sth时就用do](/uploads/image/z/6336586-10-6.jpg?t=don%E2%80%99t+have%EF%BC%9Bhaven%E2%80%99t%E5%92%8Cneed%E7%9A%84%E7%94%A8%E6%B3%95%E6%98%AF%E4%B8%8D%E6%98%AF%E5%BD%93have%2Bdone%E7%BB%84%E6%88%90%E7%8E%B0%E5%9C%A8%E5%AE%8C%E6%88%90%E6%97%B6%E6%97%B6%E6%89%8D%E7%94%A8haven%E2%80%99t%2Bdone%3F%E8%BF%99%E6%97%B6%E7%AC%AC%E4%B8%89%E4%BA%BA%E7%A7%B0%E5%8D%95%E6%95%B0%E6%98%AF%E4%B8%8D%E6%98%AF%E8%A6%81%E5%8F%98%E6%88%90hasn%E2%80%99t%2Bdone%2C%E8%BF%87%E5%8E%BB%E5%BC%8F%E6%98%AF%E4%B8%8D%E6%98%AF%E8%A6%81%E5%8F%98%E6%88%90hadn%E2%80%99t%2Bdone%3F%E6%98%AF%E4%B8%8D%E6%98%AF%E5%BD%93have%2Bto+do%E6%88%96%E6%98%AFhave%2Bsth%E6%97%B6%E5%B0%B1%E7%94%A8do)
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