Were you at home 7.00 this morning?No i was running with my sister 为什么是running而不是ran什么情况下用ran

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Wereyouathome7.00thismorning?Noiwasrunningwithmysister为什么是running而不是ran什么情况下用ranWereyouathome7.00thi

Were you at home 7.00 this morning?No i was running with my sister 为什么是running而不是ran什么情况下用ran
Were you at home 7.00 this morning?No i was running with my sister 为什么是running而不是ran
什么情况下用ran

Were you at home 7.00 this morning?No i was running with my sister 为什么是running而不是ran什么情况下用ran
这是个过去进行时的句子,其结构是:主语 + was/ were + doing ( 现在分词),所以用:was running,而不用 ran( 过去式)

过去进行时,他七点的时候正在和他妹跑步

提问的是具体时间,问的是具体时刻你正在做什么。也就是7点的时候你正在跑步。

强调7点时,我正在与妹妹跑步。是那一刻的行动。ran一般说的是习惯性动作。

你早上7点在家吗?
不,那时我正和sister跑步。
这边是用的过去进行时 be+doing,特指某一时间,这里是早上7点
ran是过去时,泛指过去发生的
只要把7点去掉,这句话就可用ran