used to be 与used to do一般疑问句两种【肯定否定】

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usedtobe与usedtodo一般疑问句两种【肯定否定】usedtobe与usedtodo一般疑问句两种【肯定否定】usedtobe与usedtodo一般疑问句两种【肯定否定】肯定句：主语+use

used to be 与used to do一般疑问句两种【肯定否定】
used to be 与used to do一般疑问句两种【肯定否定】

used to be 与used to do一般疑问句两种【肯定否定】
肯定句：主语+used to be
一般疑问句：Did + 主语+ use to be
否定句：主语+ didn't + use to be
主语+used not to be
肯定句：主语+used to do
一般疑问句：Did + 主语+ use to do
否定句：主语+ didn't + use to do
主语+ used not to do

be used to与have used to used to与be used to的用法区别? used to 与 used to be 的区别用法 used to 与 be used to 的区别,并造句 be used to doing与used to do的区别 used to与be used to的用法及区别 used to 与 be used to 的区别?如题 used to 与be used to的区别 be used for与be used to的区别 used to／be used to／be used for的区别 used to be used to be翻译 I used to be used to be to be used used to be to be used to be used