虚拟语气一道题请详细为我说明下,想问大家一句虚拟语气“The sun rises in the east and sets in the west,so it seems as if the sun werecircling round the world"中的”were circling"可不可以改成“circled"?为什么我的意思是如果改成The sun rises in the east and sets in the west,so it seems as if the sun circled round the world可不可以呢

虚拟语气一道题
请详细为我说明下,
想问大家一句虚拟语气“The sun rises in the east and sets in the west,so it seems as if the sun werecircling round the world"中的”were circling"可不可以改成“circled"?为什么
我的意思是如果改成The sun rises in the east and sets in the west,so it seems as if the sun circled round the world可不可以呢