from then on用于何种时态?

from then on 从那时起
和过去时连用
如：
From then on , magic had to be young William 's life .
从此以后,小威廉注定要献身魔术.
From then on , the fairy weaver stayed in heaven , and the cowherd stayed on earth .
从此,织女留在天上,而牛郎则待在人间.
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