【答好了加分】having done,did,doing,being done having done,having been done 在句首区别区别
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【答好了加分】having done,did,doing,being done having done,having been done 在句首区别区别
having done(主语)已经做了某事之后,作状语
did 貌似不放在句首吧
doing 如果doing sth是做主语的话,就是做某事怎么怎么样,如果放在句首做状语就是(主语)一做完……,就……
being done放句首只能是做主语,不存在做状语这一情况
having been done (主语)已经被……之后,作状语
having done:某人完成了某事
did:某人曾做过某事
doing:某人正在做某事
being done :某事正在被完成
having been done:某事已经被完成
【答好了加分】having done,did,doing,being done having done,having been done 在句首区别区别
答好了有附加分
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having done的用法
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doing having done being done having been done 造句!
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快答好了有加分的
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having done的句子是什么时态的,having done 咋用~