什么时候用did 什么时候用have

\u4ec0\u4e48\u65f6\u5019\u7528have\u4ec0\u4e48\u65f6\u5019\u7528do

have\u662f\u60c5\u6001\u52a8\u8bcd\uff0c\u8868\u793a\u5b8c\u6210\u65f6
\u4f8b\u5982\uff0cWhere have you bought until now\uff1f\u76ee\u524d\u4e3a\u6b62\u4f60\u4e70\u4e86\u4ec0\u4e48\uff1f
have\u8fd8\u53ef\u4ee5\u662f\u5b9e\u4e49\u52a8\u8bcd\uff0c\u610f\u4e3a \u6709\uff0c\u5403\uff08\u8fd9\u4e2a\u65f6\u5019\u63d0\u95ee\u65f6\u9700\u8981\u52a9\u52a8\u8bcd\uff09
\u4f8b\u5982\uff0cDid you have a lunch?\u5403\u8fc7\u5348\u996d\u4e86\uff1f
Do you have a dictionary\uff1f\u4f60\u6709\u5b57\u5178\u5417\uff1f
Do\u4e5f\u6709\u4e24\u79cd\u7528\u6cd5\uff0c\u4e00\u79cd\u662f\u52a9\u52a8\u8bcd\uff08\u5f53\u7591\u95ee\u53e5\u5b50\u4e2d\u6ca1\u6709\u7cfb\u52a8\u8bcdam\uff0cis\uff0c are\u7b49\u6216\u6ca1\u6709\u60c5\u6001\u52a8\u8bcdcan\uff0chave\uff0cmay\u7b49\u65f6\uff0c\u8981\u6dfb\u52a0\u52a9\u52a8\u8bcd\uff09
Do you love me\uff1f\u4f60\u7231\u6211\u5417\uff1f
\u4e00\u79cd\u662f\u5b9e\u4e49\u52a8\u8bcd\uff0c\u610f\u4e3a\u505a do my homework \u505a\u4f5c\u4e1a

is\u5c5e\u4e8e\u7cfb\u52a8\u8bcd\uff0c\u7528\u4e8e\u4e3b\u7cfb\u8868\u7ed3\u6784\u3002
did\u662f\u52a9\u52a8\u8bcd\uff0c\u5f53\u53e5\u5b50\u4e2d\u6709\u5b9e\u4e49\u52a8\u8bcd\u65f6\uff0c\u82e5\u53e5\u5b50\u4e3a\u5426\u5b9a\u53e5\u6216\u7591\u95ee\u53e5\uff0c\u5c31\u8981\u501f\u52a9\u52a9\u52a8\u8bcddo/does/did\u3002

Did为一般过去时标志,它是do的过去时形式,如:
Did you go to see your Uncle in hospital?

have当助动词则为完成时态的标志,它会根据主语的人称和单复数发生变化,如:Have you fished your homework? Has she gone to see her father in hospital?
此外,have 还有一个特殊的用法,仅限于美式英语:
英式:Do you have a book?
美式:Have you a book?

若二者同时存在于一个句子中,一般是did在句首。
Did you have the book? 你以前有这本书吗?

did
用在过去式,have
用在过去完成时

扩展阅读:什么时候用do does did ... 怎么判断用do还是does ... 怎么判断用did还是was ... 一般过去时为什么要用did ... 什么时候用did开头的 ... 什么时候用do和did提问 ... 为什么要加助动词do ... 什么情况下用did或was ... do 和 are 分别什么时候用 ...

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