1.The film ____ (begin)before we got there.2.The old man____(live)there since 1978.3.I _____(not understand) what he said just now.第二个 是there since 1978 原题改行了

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1.The film ____ (begin)before we got there.2.The old man____(live)there since 1978.3.I _____(not understand) what he said just now.第二个 是there since 1978 原题改行了

1.The film ____ (begin)before we got there.2.The old man____(live)there since 1978.3.I _____(not understand) what he said just now.第二个 是there since 1978 原题改行了
1.The film ____ (begin)before we got there.2.The old man____(live)there since 1978.
3.I _____(not understand) what he said just now.
第二个 是there since 1978 原题改行了

1.The film ____ (begin)before we got there.2.The old man____(live)there since 1978.3.I _____(not understand) what he said just now.第二个 是there since 1978 原题改行了
had begun
has lived
didn't understand
和没改一样

1.had begun --在我们到达前,用过去完成时
2.lived --居住,表长期的状态
3.was not understanding -- 表刚刚的那一瞬间

had begun (在我们到达之前它已经开始了,所以用过去的过去,就是过去完成时)
has live ( 那个老人从1978年开就住在哪了,到现在,它表示的是已近完成了,就是现在完成时。而且像since,for等表示时间段的词就要用现在完成时)
just now是刚才的意思所以用过去式...

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had begun (在我们到达之前它已经开始了,所以用过去的过去,就是过去完成时)
has live ( 那个老人从1978年开就住在哪了,到现在,它表示的是已近完成了,就是现在完成时。而且像since,for等表示时间段的词就要用现在完成时)
just now是刚才的意思所以用过去式

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