Form eight o'clock until ten he was working in the garden,but since then he has been lying in the sun.
翻译:
从八点到十点他一直在花园里干活，但自那以后他就一直躺在阳光下。
知识点解析:
时态的对比。前半句 was working 是过去进行时，表示过去某段时间正在进行的动作；后半句 since then 是现在完成进行时 (has been lying) 的标志，表示从过去一直持续到现在的动作。注意 lie（躺）的现在分词是 lying。