求解释有关知识点.1.Please remain (seated);the winner of the prize wi

求解释有关知识点.1.Please remain (seated);the winner of the prize will be announced soon.2.This is the first time we (have seen)a film in the cinema together as a family.
adln270512544 1年前 已收到1个回答 举报

yy天使1314 幼苗

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emain作联系动词,后面加adj,表示保持一种什么状态
this is the first time+现在完成时
this was the first time+过去完成时
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1年前

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